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ALLMAN4.PS：源码内容

10 C
(typedef)427 1440 A
(struct)366 1928 A
(nwio_tcpcl)610 2355 A
7272 V
1440({)S
7392 V
(long)244 1800 A
(nwtcl_257ags;)671 2105 A
7512 V
(long)244 1800 A
(nwtcl_ttl;)610 2105 A
7903 V
10 R
720(September)S
1176(17,)S
(1996)200 1326 A
4990(Page)S
5211(6)S
8143 V
EP
%%Page: 7 16
BP
/slant 0 def
/height 0 def
480 V
10 R
720(IP)S
818(()S
860(4)S
918())S
2696(Eighth)S
(Edition)296 2989 A
5029(IP)S
5127(()S
5169(4)S
5227())S
960 V
10 C
1440(})S
(nwio_tcpcl_t;)793 1562 A
1128 V
10 R
1080(Set)S
1271(the)S
10 B
1456(nwtcl_257ags)S
10 R
1999(256eld)S
2240(to)S
2380(zero)S
2616(before)S
2936(the)S
(connect)313 3121 A
3496(or)S
3643(listen)S
3924(call.)S
([[[Further)399 4183 A
4645(explanation)S
5177(of)S
1248 V
(nwio_tcpcl?]]])594 1080 A
1416 V
10 B
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOGTCPCONF,)S
2333(&struct)S
2695(nwio_tcpconf))S
1584 V
10 R
1080(This)S
1288(call)S
1463(reports)S
1773(the)S
1926(current)S
2242(con256guration)S
2808(of)S
2922(a)S
2997(TCP)S
3212(channel.)S
3605(The)S
10 B
3792(nwtc_257ags)S
10 R
4275(256eld)S
4484(shows)S
4765(the)S
4918(status)S
5177(of)S
1704 V
1080(the)S
10 B
(access)263 1234 A
10 R
1497(,)S
10 B
1553(locport)S
10 R
1861(,)S
10 B
1917(remaddr)S
10 R
2329(and)S
10 B
2505(remport)S
10 R
2895(256elds.)S
10 B
3194(Nwtc_locaddr)S
10 R
3830(contains)S
4195(the)S
4348(Internet)S
4692(address)S
5024(of)S
5138(the)S
1824 V
1080(TCP/IP)S
1422(server.)S
10 B
1758(Remaddr)S
10 R
2206(contains)S
2580(the)S
2742(Internet)S
3095(address)S
3436(of)S
3559(the)S
3722(remote)S
4042(TCP/IP)S
4385(server)S
4672(when)S
4930(set)S
5082(with)S
1944 V
10 B
1080(NWTC_SET_RA)S
10 R
1935(or)S
2125(after)S
2416(a)S
(successful)414 2566 A
(connect)313 3085 A
3503(or)S
3692(listen)S
4015((see)S
10 B
4283(NWIOTCPCONN)S
10 R
5177(or)S
2064 V
10 B
1080(NWIOTCPLISTEN)S
10 R
1941().)S
10 B
2052(Nwio_locport)S
10 R
2661(contains)S
3023(the)S
3174(local)S
3398(TCP/IP)S
3729(port)S
3919(set)S
4059(with)S
10 B
4266(NWTC_LP_SET)S
10 R
5026(or)S
5138(the)S
2184 V
1080(selected)S
1436(port)S
1629(set)S
1771(with)S
10 B
1980(NWTC_LP_SEL)S
10 R
2712(.)S
10 B
2792(Nwtc_remport)S
10 R
3456(contains)S
3821(the)S
3974(TCP)S
4189(port)S
4381(of)S
4495(the)S
4648(remote)S
4958(TCP/IP)S
2304 V
1080(server)S
1352(as)S
1461(set)S
1598(with)S
10 B
1802(NWIO_SET_RP)S
10 R
2542(or)S
2651(after)S
2862(a)S
(successful)414 2932 A
(connect)313 3371 A
3709(or)S
3818(listen.)S
2472 V
1080(A)S
1183(value)S
1431(of)S
1545(0)S
1625((zero))S
1897(is)S
1994(reported)S
2361(for)S
10 B
2510(nwtc_remaddr)S
10 R
3149(,)S
10 B
3205(nwtc_locport)S
10 R
3802(or)S
10 B
3917(nwtc_remport)S
10 R
4565(when)S
4814(no)S
4945(value)S
5194(is)S
2592 V
1080(set)S
1217(either)S
(explicitly)380 1472 A
1877(or)S
(implicitly.)416 1986 A
2760 V
10 B
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOTCPLISTEN,)S
2338(&struct)S
2700(nwio_tcpcl))S
2928 V
10 R
1080(The)S
10 B
1263(NWIOTCPLISTEN)S
10 R
2151(ioctl)S
2357(waits)S
(until)184 2597 A
2808(a)S
2880(remote)S
3187(TCP/IP)S
3517(server)S
3791(tries)S
3992(to)S
(connect)313 4097 A
4437(to)S
4542(this)S
4714(channel.)S
5104(The)S
3048 V
1080(channel)S
1423(has)S
1587(to)S
1695(be)S
1820(con256gured)S
2280((see)S
10 B
2473(NWIOSTCPCONF)S
10 R
3307().)S
3421(An)S
(additional)402 3574 A
4006(restriction)S
4445(is)S
4542(that)S
4722(the)S
4874(local)S
5099(port)S
3168 V
1080(must)S
1307(be)S
1435(set)S
1580((with)S
10 B
1826(NWTC_LP_SET)S
10 R
2558())S
2625(or)S
2742(selected)S
3100((with)S
10 B
3346(NWTC_LP_SEL)S
10 R
4078().)S
4195(When)S
4468(a)S
4546(remote)S
4859(address)S
5194(is)S
3288 V
1080(set)S
1227(only)S
(connections)480 1440 A
1955(for)S
2108(that)S
2294(host)S
2496(are)S
(accepted,)378 2655 A
3068(and)S
3248(when)S
3501(a)S
3581(remote)S
3896(port)S
4092(is)S
4193(set)S
4339(only)S
(connections)480 4551 A
5065(from)S
3408 V
1080(that)S
1261(port)S
1453(are)S
(accepted.)378 1608 A
2042(After)S
2287(a)S
(successful)414 2363 A
2808(listen)S
10 B
3057(NWIOGTCPCONF)S
10 R
3944(can)S
4115(be)S
4241(used)S
4456(to)S
4565(256nd)S
4752(out)S
4911(what)S
5138(the)S
3528 V
1080(address)S
1407(and)S
1577(port)S
1764(of)S
1873(the)S
2021(other)S
2253(side)S
2440(are.)S
3696 V
10 B
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOSTCPCONF,)S
2311(&struct)S
2673(nwio_tcpconf))S
3864 V
10 R
1080(Before)S
1382(a)S
1454(TCP)S
1666(channel)S
2007(can)S
2175(be)S
2298(used)S
2510(it)S
2594(must)S
2817(con256gured)S
3275(using)S
3520(the)S
10 B
3671(NWIOSTCPCONF)S
10 R
4533(ioctl.)S
4790(The)S
4975(param-)S
3984 V
1080(eters)S
1308(to)S
10 B
1423(NWIOSTCPCONF)S
10 R
2294(are)S
2455(the)S
2614(channel)S
2963(256le)S
3128(descriptor)S
3567(and)S
3748(a)S
10 B
3829(struct)S
4118(nwio_tcpconf)S
10 R
4731(as)S
4851(de256ned)S
5183(in)S
4104 V
1080(<net/gen/tcp_io.h>:)S
4272 V
10 C
(typedef)427 1440 A
(struct)366 1928 A
(nwio_tcpconf)732 2355 A
4392 V
1440({)S
4512 V
(u32_t)305 1800 A
(nwtc_257ags;)610 2166 A
4632 V
(ipaddr_t)488 1800 A
(nwtc_locaddr;)793 2349 A
4752 V
(ipaddr_t)488 1800 A
(nwtc_remaddr;)793 2349 A
4872 V
(tcpport_t)549 1800 A
(nwtc_locport;)793 2410 A
4992 V
(tcpport_t)549 1800 A
(nwtc_remport;)793 2410 A
5112 V
1440(})S
(nwio_tcpconf_t;)915 1562 A
5280 V
(#de256ne)366 1440 A
(NWTC_NOFLAGS)732 1867 A
(0x0000L)427 2843 A
5400 V
(#de256ne)366 1440 A
(NWTC_ACC_MASK)793 1867 A
(0x0003L)427 2843 A
5520 V
1440(#)S
(de256ne)305 1928 A
(NWTC_EXCL)549 2294 A
(0x00000001L)671 3331 A
5640 V
1440(#)S
(de256ne)305 1928 A
(NWTC_SHARED)671 2294 A
(0x00000002L)671 3331 A
5760 V
1440(#)S
(de256ne)305 1928 A
(NWTC_COPY)549 2294 A
(0x00000003L)671 3331 A
5880 V
(#de256ne)366 1440 A
(NWTC_LOCPORT_MASK)1037 1867 A
(0x0030L)427 3331 A
6000 V
1440(#)S
(de256ne)305 1928 A
(NWTC_LP_UNSET)793 2294 A
(0x00000010L)671 3331 A
6120 V
1440(#)S
(de256ne)305 1928 A
(NWTC_LP_SET)671 2294 A
(0x00000020L)671 3331 A
6240 V
1440(#)S
(de256ne)305 1928 A
(NWTC_LP_SEL)671 2294 A
(0x00000030L)671 3331 A
6360 V
(#de256ne)366 1440 A
(NWTC_REMADDR_MASK)1037 1867 A
(0x0100L)427 3331 A
6480 V
1440(#)S
(de256ne)305 1928 A
(NWTC_SET_RA)671 2294 A
(0x00000100L)671 3331 A
6600 V
1440(#)S
(de256ne)305 1928 A
(NWTC_UNSET_RA)793 2294 A
(0x01000000L)671 3331 A
6720 V
(#de256ne)366 1440 A
(NWTC_REMPORT_MASK)1037 1867 A
(0x0200L)427 3331 A
6840 V
1440(#)S
(de256ne)305 1928 A
(NWTC_SET_RP)671 2294 A
(0x00000200L)671 3331 A
6960 V
1440(#)S
(de256ne)305 1928 A
(NWTC_UNSET_RP)793 2294 A
(0x02000000L)671 3331 A
7128 V
10 R
1080(A)S
1181(tcp)S
1332(channel)S
1673(is)S
1768(considered)S
2232(con256gured)S
2690(when)S
2936(one)S
3110(257ag)S
3290(in)S
(each)185 3397 A
3611(category)S
3987(has)S
4150(been)S
4369(selected.)S
4773(Thus)S
5003(one)S
5177(of)S
7248 V
10 B
1080(NWTC_EXCL)S
10 R
1723(,)S
10 B
1888(NWTC_SHARED)S
10 R
2811(or)S
10 B
3035(NWTC_COPY)S
10 R
3684(,)S
3849(one)S
4134(of)S
10 B
4358(NWTC_LP_UNSET)S
10 R
5236(,)S
7368 V
10 B
1080(NWTC_LP_SET)S
10 R
1837(or)S
10 B
1946(NWTC_LP_SEL)S
10 R
2678(,)S
2728(one)S
2898(of)S
10 B
3007(NWTC_SET_RA)S
10 R
3781(or)S
10 B
3890(NWTC_UNSET_RA)S
10 R
4785(,)S
4835(and)S
5006(one)S
5177(of)S
7488 V
10 B
1080(NWTC_SET_RP)S
10 R
1843(or)S
10 B
1952(NWTC_UNSET_RP)S
10 R
2836(.)S
7903 V
720(Page)S
941(7)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
EP
%%Page: 8 17
BP
/slant 0 def
/height 0 def
480 V
10 R
720(IP)S
818(()S
860(4)S
918())S
2696(Eighth)S
(Edition)296 2989 A
5029(IP)S
5127(()S
5169(4)S
5227())S
960 V
1080(The)S
(acc)135 1272 A
1442(257ags)S
1667(control)S
1987(the)S
(access)258 2145 A
2438(to)S
2551(a)S
2631(certain)S
2941(TCP)S
3161(port.)S
10 B
3408(NWTC_EXCL)S
10 R
4086(means)S
4378(exclusive)S
(access.)283 4794 A
5138(An)S
1080 V
1080(attempt)S
1421(to)S
1538(con256gure)S
1957(a)S
2041(channel)S
(will)157 2393 A
2589(be)S
2723(denied)S
3030(if)S
3131(the)S
3293(same)S
3539(port)S
3740(is)S
3846(speci256ed)S
4243(as)S
4365(that)S
4554(of)S
4676(a)S
4759(channel)S
5110(that)S
1200 V
1080(requested)S
1501(exclusive)S
(access.)283 1916 A
10 B
2259(NWTC_SHARED)S
10 R
3077(indicates)S
3470(that)S
3656(several)S
3977(channels)S
4364(use)S
4533(the)S
4692(same)S
4935(port)S
5133(but)S
1320 V
(cooperate.)417 1080 A
1550(If)S
1646(the)S
1797(shared)S
2088(mode)S
2338(is)S
2432(speci256ed)S
2817(for)S
2962(one)S
3134(channel)S
3474(than)S
3674(all)S
3802(other)S
4036(channel)S
4376(that)S
4554(use)S
4715(the)S
4865(same)S
5099(port)S
1440 V
(should)267 1080 A
1374(also)S
1563(be)S
1685(con256gured)S
2142(with)S
2348(the)S
10 B
2498(NWTC_SHARED)S
10 R
3309(257ag.)S
10 B
3538(NWTC_COPY)S
10 R
4215(is)S
4310(speci256ed)S
4696(when)S
4942(the)S
5093(pro-)S
1560 V
1080(grammer)S
1469(does)S
1678(not)S
1831(care)S
(about)223 2025 A
2273(other)S
2505(channels.)S
2932(This)S
3136(is)S
3228(the)S
3376(default.)S
1728 V
1080(The)S
1269(locport)S
1586(257ags)S
1808(control)S
2125(which)S
2403(TCP)S
2621(port)S
2816(is)S
2916(used)S
3133(for)S
3284(communication.)S
10 B
3992(NWTC_LP_UNSET)S
10 R
4903(indicates)S
1848 V
1080(the)S
1236(absence)S
1588(of)S
1705(a)S
1783(local)S
2012(port.)S
2257(This)S
2469(is)S
2569(the)S
2725(default.)S
10 B
3088(NWTC_LP_SET)S
10 R
3853(means)S
4143(that)S
4327(the)S
10 B
4483(nwtc_locport)S
10 R
5082(256eld)S
1968 V
1080(contains)S
1451(the)S
1610(local)S
1842(port)S
2040(to)S
2154(be)S
2285(used)S
2505(by)S
2641(TCP.)S
2912(This)S
3127(value)S
3382(must)S
3614(be)S
3746(in)S
3861(network)S
4228(byte)S
4438(order)S
4688((see)S
10 B
4888(hton)S
10 R
5084((3).))S
2088 V
10 B
1080(NWTC_LP_SEL)S
10 R
1841(requests)S
2200(the)S
2352(TCP)S
2566(server)S
2842(to)S
2949(pick)S
3151(a)S
3225(port.)S
3466(This)S
3674(port)S
(will)157 3864 A
4049(be)S
4172(in)S
4278(the)S
4429(range)S
4681(from)S
(32768)250 4905 A
5183(to)S
2208 V
(65535)250 1080 A
1355(and)S
(will)157 1525 A
1707(be)S
1827(unique.)S
2376 V
1080(The)S
10 B
1273(remaddr)S
10 R
1690(257ags)S
1917(specify)S
2245(which)S
2528(hosts)S
2771(are)S
(acceptable)426 2932 A
3395(for)S
(connections.)505 3550 A
10 B
4117(NWTC_SET_RA)S
10 R
4903(indicates)S
2496 V
1080(that)S
1258(only)S
(connection)441 1463 A
1931(to)S
2036(the)S
2186(host)S
2380(speci256ed)S
2765(in)S
10 B
2870(nwtc_remaddr)S
10 R
3536(are)S
(acceptable.)451 3687 A
10 B
4190(Nwtc_remaddr)S
10 R
(should)267 4873 A
5166(be)S
2616 V
1080(in)S
1195(network)S
1562(byte)S
1772(order)S
2022((see)S
10 B
2222(hton)S
10 R
2418((3).))S
10 B
2657(NWTC_UNSET_RA)S
10 R
3589(allows)S
3889(every)S
4150(host)S
4354(on)S
4491(the)S
4651(other)S
4895(side)S
5094(of)S
5216(a)S
2736 V
(connection.)466 1080 A
1596(This)S
1800(is)S
1892(the)S
2040(default.)S
2904 V
1080(The)S
10 B
1264(remport)S
10 R
1650(257ags)S
1867(specify)S
2185(which)S
2458(remote)S
2766(ports)S
2995(are)S
(acceptable)426 3147 A
3601(for)S
(connections.)505 3747 A
10 B
4305(NWTC_SET_RP)S
10 R
5071(indi-)S
3024 V
1080(cates)S
1316(that)S
1501(only)S
1712(the)S
1868(port)S
2063(speci256ed)S
2454(in)S
10 B
2565(nwtc_remport)S
10 R
3215(is)S
(acceptable.)451 3315 A
10 B
3824(NWTC_UNSET_RP)S
10 R
4741(allows)S
5037(every)S
3144 V
1080(port)S
1267(on)S
1392(the)S
1540(other)S
1772(side)S
1959(of)S
2068(a)S
(connection.)466 2138 A
2654(This)S
2858(is)S
2950(the)S
3098(default.)S
3312 V
10 B
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOTCPSHUTDOWN))S
3480 V
10 R
1080(The)S
10 B
1266(NWIOTCPSHUTDOWN)S
10 R
2385(tells)S
2582(the)S
2734(TCP/IP)S
3066(server)S
3342(that)S
3522(no)S
3651(more)S
3887(data)S
(will)157 4084 A
4270(be)S
4394(sent)S
4586(over)S
4795(the)S
4948(channel)S
3600 V
1080(speci256ed)S
1482(by)S
10 I
1626(fd)S
10 R
1712(.)S
1806(This)S
2028(command)S
2467(can)S
2650(be)S
2788(issued)S
3082(when)S
3343(the)S
3509(channel)S
3865(is)S
(connected)408 3975 A
4426(to)S
4547(a)S
4635(remote)S
4958(TCP/IP)S
3720 V
1080(server.)S
1418(The)S
1616(TCP/IP)S
1960(server)S
(will)157 2248 A
2446(tell)S
2616(the)S
2780(remote)S
3101(TCP/IP)S
3445(server)S
3733(and)S
3919(the)S
4083(client)S
4348(of)S
4473(the)S
4637(remote)S
4958(TCP/IP)S
3840 V
1080(server)S
(will)157 1352 A
(receive)292 1534 A
1851(an)S
1971(end-of-256le)S
2422(indication.)S
4008 V
10 B
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOGTCPOPT,)S
2254(&struct)S
2616(nwio_tcpopt))S
4128 V
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOSTCPOPT,)S
2232(&struct)S
2594(nwio_tcpopt))S
4296 V
10 R
1080(The)S
1262(behaviour)S
1689(of)S
1799(a)S
1870(TCP)S
2081(channel)S
2420(may)S
2619(be)S
2740(changed)S
3101(by)S
(setting)268 3227 A
3521(a)S
3592(number)S
3925(of)S
4035(options.)S
4406(The)S
4589(TCP)S
4800(options)S
5121(can)S
4416 V
1080(be)S
1201(obtained)S
1573(with)S
1778(the)S
10 B
1927(NWIOGTCPOPT)S
10 R
2730(ioctl)S
2935(and)S
3106(set)S
3244(with)S
3449(the)S
10 B
3598(NWIOSTCPOPT)S
10 R
4379(ioctl.)S
4634(The)S
4817(options)S
5137(are)S
4536 V
1080(passed)S
1373(in)S
1476(a)S
10 B
1546(struct)S
1824(nwio_tcpopt)S
10 R
2381(as)S
2490(de256ned)S
2811(in)S
2914(<net/gen/tcp_io.h>:)S
4704 V
10 C
(typedef)427 1440 A
(struct)366 1928 A
(nwio_tcpopt)671 2355 A
4824 V
1440({)S
4944 V
(u32_t)305 1800 A
(nwto_257ags;)610 2166 A
5064 V
1440(})S
(nwio_tcpconf_t;)915 1562 A
5232 V
(#de256ne)366 1440 A
(NWTO_NOFLAG)671 1867 A
(0x0000L)427 2843 A
5352 V
(#de256ne)366 1440 A
(NWTO_SND_URG_MASK)1037 1867 A
(0x0001L)427 3331 A
5472 V
1440(#)S
(de256ne)305 1928 A
(NWTO_SND_URG)732 2294 A
(0x00000001L)671 3331 A
5592 V
1440(#)S
(de256ne)305 1928 A
(NWTO_SND_NOTURG)915 2294 A
(0x00010000L)671 3331 A
5712 V
(#de256ne)366 1440 A
(NWTO_RCV_URG_MASK)1037 1867 A
(0x0002L)427 3331 A
5832 V
1440(#)S
(de256ne)305 1928 A
(NWTO_RCV_URG)732 2294 A
(0x00000002L)671 3331 A
5952 V
1440(#)S
(de256ne)305 1928 A
(NWTO_RCV_NOTURG)915 2294 A
(0x00020000L)671 3331 A
6072 V
(#de256ne)366 1440 A
(NWTO_BSD_URG_MASK)1037 1867 A
(0x0004L)427 3331 A
6192 V
1440(#)S
(de256ne)305 1928 A
(NWTO_BSD_URG)732 2294 A
(0x00000004L)671 3331 A
6312 V
(#de256ne)366 1440 A
(NWTO_DEL_RST_MASK)1037 1867 A
(0x0008L)427 3331 A
6432 V
1440(#)S
(de256ne)305 1928 A
(NWTO_DEL_RST)732 2294 A
(0x00000008L)671 3331 A
6600 V
10 R
1080(The)S
10 B
1267(NWTO_SND_URG)S
10 R
2141(option)S
2427(causes)S
2720(bytes)S
(written)286 2962 A
3278(to)S
3386(the)S
3539(channel)S
3882(to)S
3990(be)S
4115(send)S
4329(out)S
4487(as)S
4601(urgent)S
4889(data.)S
5138(On)S
6720 V
(receiving)375 1080 A
1484(an)S
10 B
1608(EURG)S
10 R
1928(error)S
2154(the)S
10 B
(NWTO_RCV_URG)861 2305 A
10 R
3194(option)S
3478(must)S
3701(be)S
3824(set)S
3964(to)S
4070(switch)S
4361(over)S
4568(to)S
4674(reading)S
5004(urgent)S
6840 V
1080(data.)S
1334(When)S
1610(all)S
1747(urgent)S
2040(data)S
2245(has)S
2416(been)S
2643(read)S
2854(an)S
10 B
2986(ENOURG)S
10 R
3465(error)S
(will)157 3699 A
3893(follow,)S
4218(indicating)S
4657(that)S
4845(the)S
5005(option)S
6960 V
1080(must)S
1334(be)S
1488(cleared)S
1839(with)S
10 B
(NWTO_RCV_NOTURG)1079 2077 A
10 R
3156(.)S
3265(Alas)S
3509(the)S
3691(BSD)S
3946(implementation)S
4636(of)S
4778(urgent)S
5093(data)S
7080 V
1080(disagrees)S
1500(with)S
1724(the)S
1893(RFC's,)S
2227(so)S
2362(to)S
2486(be)S
2627(BSD)S
2869(compatible)S
3362(one)S
3553(must)S
3794(set)S
3952(the)S
10 B
4121(NWTO_BSD_URG)S
10 R
5005(option)S
7200 V
1080(beforehand)S
1564(on)S
1695(a)S
1771(channel)S
2115(that)S
2297(is)S
2395(to)S
2504(send)S
2719(or)S
(receive)292 2834 A
3157(urgent)S
3445(data.)S
3694(Given)S
3971(that)S
4153(the)S
4307(BSD)S
4533(implementation)S
5194(is)S
7320 V
1080(the)S
1238(regarded)S
1626(as)S
1745(the)S
1903(TCP/IP)S
2241(standard)S
2617(one)S
(should)267 2797 A
3099(always)S
3414(use)S
3583(the)S
3741(BSD)S
3972(style.)S
4247(The)S
10 B
4440(NWTO_DEL_RST)S
7440 V
10 R
1080(option)S
1364(delays)S
1649(a)S
1722(failure)S
(response)352 2014 A
2394(on)S
2522(a)S
(connect)313 2595 A
2936(to)S
3042(the)S
3193(same)S
3428(port)S
3618(as)S
3729(the)S
3879(current)S
4192(open)S
(connection.)466 4414 A
(Without)329 4932 A
7903 V
720(September)S
1176(17,)S
(1996)200 1326 A
4990(Page)S
5211(8)S
8143 V
EP
%%Page: 9 18
BP
/slant 0 def
/height 0 def
480 V
10 R
720(IP)S
818(()S
860(4)S
918())S
2696(Eighth)S
(Edition)296 2989 A
5029(IP)S
5127(()S
5169(4)S
5227())S
960 V
1080(this)S
1250(option)S
1531(a)S
(connect)313 1601 A
1939(would)S
2216(fail)S
2377(if)S
2465(a)S
2536(server)S
2809(is)S
2902(not)S
3056(yet)S
3205(listening.)S
3627(With)S
3854(this)S
4025(option)S
4307(a)S
(connect)313 4378 A
(will)157 4717 A
4900(linger)S
5161(on)S
1080 V
(until)184 1080 A
1304(the)S
1467(server)S
1754(starts)S
2007(listening.)S
2443(This)S
2662(option)S
2958(is)S
3065(useful)S
3351(for)S
3509(a)S
3593(server)S
3879(that)S
4069(opens)S
4342(a)S
(connection,)466 4426 A
4931(tells)S
5138(the)S
1200 V
1080(remote)S
1396(end)S
1577(the)S
1736(local)S
1968(port)S
2166(number)S
2509(and)S
2690(then)S
2899(listens)S
3193((FTP),)S
3497(or)S
3618(for)S
3773(a)S
3855(program)S
4233(that)S
4421(forks)S
4665(off)S
4820(servers)S
5143(for)S
1320 V
1080(incoming)S
(connections)480 1490 A
((TELNET).)476 2001 A
2532(A)S
2635(new)S
(connection)441 2833 A
3304(may)S
3507(come)S
3755(in)S
3863(before)S
4151(a)S
4226(new)S
4424(listen)S
4672(can)S
4842(be)S
4967(started,)S
1440 V
1080(so)S
1194(it)S
1275(is)S
1367(nice)S
1560(if)S
1647(the)S
1795(new)S
(connect)313 1988 A
2326(doesn't)S
2647(fail.)S
2857(Use)S
3039(this)S
3209(option)S
3490(only)S
3693(when)S
3936(it)S
4017(is)S
4109(clearly)S
4409(needed.)S
1608 V
870(U)S
872(UD)S
947(DP)S
1022(P)S
1105(F)S
1107(Fu)S
1165(un)S
1217(nc)S
1269(ct)S
1316(ti)S
1346(io)S
1376(on)S
1428(ns)S
1480(s)S
1728 V
10 B
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOGUDPOPT,)S
2260(&struct)S
(nwio_udpopt))599 2622 A
1896 V
10 R
1080(The)S
10 B
1275(NWIOGUDPOPT)S
10 R
2096(ioctl)S
2313(returns)S
2631(the)S
2792(current)S
3117(options)S
3451(that)S
3641(result)S
3904(from)S
4139(the)S
4301(default)S
4620(options)S
4954(and)S
5138(the)S
2016 V
1080(options)S
1421(set)S
1579(with)S
10 B
1804(NWIOSUDPOPT)S
10 R
2565(.)S
2661(When)S
10 B
2947(NWUO_LP_SEL)S
10 R
3736(or)S
10 B
3866(NWUO_LP_SET)S
10 R
4655(is)S
4768(selected)S
5138(the)S
2136 V
1080(local)S
1301(port)S
1488(is)S
1580(returned)S
1941(in)S
10 B
2044(nwuo_locport)S
10 R
2637(.)S
2712(When)S
10 B
2977(NWUO_RP_SET)S
10 R
3751(is)S
3843(selected)S
4193(the)S
4341(remote)S
4646(port)S
4833(is)S
4925(returned)S
2256 V
1080(in)S
10 B
1248(nwuo_remport)S
10 R
1892(.)S
2032(The)S
2279(local)S
2565(address)S
2957(is)S
3114(always)S
3484(returned)S
3910(in)S
10 B
4078(nwuo_locaddr)S
10 R
4693(,)S
4808(and)S
5043(when)S
2376 V
10 B
1080(NWUO_RA_SET)S
10 R
1865(is)S
1957(selected)S
2307(the)S
2455(remote)S
2760(address)S
3087(is)S
3179(returned)S
3540(in)S
10 B
3643(nwuo_remaddr)S
10 R
4309(.)S
2544 V
10 B
1080(ioctl()S
10 I
1299(fd)S
10 B
1377(,)S
1427(NWIOSUDPOPT,)S
2238(&struct)S
(nwio_udpopt))599 2600 A
2712 V
10 R
1080(A)S
1186(UDP)S
1421(channel)S
1767(must)S
1995(be)S
2123(con256gured)S
2586(using)S
2836(the)S
10 B
2992(NWIOSUDPOPT)S
10 R
3786(ioctl)S
3998(before)S
4289(any)S
4467(data)S
4668(can)S
4841(be)S
4969(read)S
5177(or)S
2832 V
(written.)311 1080 A
10 B
1446(NWIOSUDPOPT)S
10 R
2237(takes)S
2474(two)S
2655(parameters,)S
3153(a)S
3228(256le)S
3387(descriptor)S
3820(to)S
3928(an)S
4053(open)S
4278(UDP)S
4510(device)S
4802(and)S
4976(pointer)S
2952 V
1080(to)S
1189(a)S
10 B
(nwio_udpopt)565 1265 A
10 R
1861(structure)S
2245(that)S
2427(describes)S
2833(the)S
2987(requested)S
3405(con256guration.)S
4023(The)S
10 B
(nwio_udpopt)565 4212 A
10 R
4809(structure)S
5194(is)S
3072 V
1080(de256ned)S
1401(in)S
(<net/gen/udp_io.h>)791 1504 A
2320(as:)S
3240 V
10 C
(typedef)427 1440 A
(struct)366 1928 A
(nwio_udpopt)671 2355 A
3360 V
1440({)S
3480 V
(unsigned)488 1800 A
(long)244 2349 A
(nwuo_257ags;)610 2654 A
3600 V
(udpport_t)549 1800 A
(nwuo_locport;)793 2410 A
3720 V
(udpport_t)549 1800 A
(nwuo_remport;)793 2410 A
3840 V
(ipaddr_t)488 1800 A
(nwuo_locaddr;)793 2349 A
3960 V
(ipaddr_t)488 1800 A
(nwuo_remaddr;)793 2349 A
4080 V
1440(})S
(nwio_udpopt_t;)854 1562 A
4248 V
(#de256ne)366 1440 A
(NWUO_NOFLAGS)732 1867 A
(0x0000L)427 3331 A
4368 V
(#de256ne)366 1440 A
(NWUO_ACC_MASK)793 1867 A
(0x0003L)427 3331 A
4488 V
(#de256ne)366 1440 A
(NWUO_EXCL)549 2355 A
(0x00000001L)671 3819 A
4608 V
(#de256ne)366 1440 A
(NWUO_SHARED)671 2355 A
(0x00000002L)671 3819 A
4728 V
(#de256ne)366 1440 A
(NWUO_COPY)549 2355 A
(0x00000003L)671 3819 A
4848 V
(#de256ne)366 1440 A
(NWUO_LOCPORT_MASK)1037 1867 A
(0x000CL)427 3331 A
4968 V
(#de256ne)366 1440 A
(NWUO_LP_SEL)671 2355 A
(0x00000004L)671 3819 A
5088 V
(#de256ne)366 1440 A
(NWUO_LP_SET)671 2355 A
(0x00000008L)671 3819 A
5208 V
(#de256ne)366 1440 A
(NWUO_LP_ANY)671 2355 A
(0x0000000CL)671 3819 A
5328 V
(#de256ne)366 1440 A
(NWUO_LOCADDR_MASK)1037 1867 A
(0x0010L)427 3331 A
5448 V
(#de256ne)366 1440 A
(NWUO_EN_LOC)671 2355 A
(0x00000010L)671 3819 A
5568 V
(#de256ne)366 1440 A
(NWUO_DI_LOC)671 2355 A
(0x00100000L)671 3819 A
5688 V
(#de256ne)366 1440 A
(NWUO_BROAD_MASK)915 1867 A
(0x0020L)427 3331 A
5808 V
(#de256ne)366 1440 A
(NWUO_EN_BROAD)793 2355 A
(0x00000020L)671 3819 A
5928 V
(#de256ne)366 1440 A
(NWUO_DI_BROAD)793 2355 A
(0x00200000L)671 3819 A
6048 V
(#de256ne)366 1440 A
(NWUO_REMPORT_MASK)1037 1867 A
(0x0100L)427 3331 A
6168 V
(#de256ne)366 1440 A
(NWUO_RP_SET)671 2355 A
(0x00000100L)671 3819 A
6288 V
(#de256ne)366 1440 A
(NWUO_RP_ANY)671 2355 A
(0x01000000L)671 3819 A
6408 V
(#de256ne)366 1440 A
(NWUO_REMADDR_MASK)1037 1867 A
(0x0200L)427 3331 A
6528 V
(#de256ne)366 1440 A
(NWUO_RA_SET)671 2355 A
(0x00000200L)671 3819 A
6648 V
(#de256ne)366 1440 A
(NWUO_RA_ANY)671 2355 A
(0x02000000L)671 3819 A
6768 V
(#de256ne)366 1440 A
(NWUO_RW_MASK)732 1867 A
(0x1000L)427 3331 A
6888 V
(#de256ne)366 1440 A
(NWUO_RWDATONLY)854 2355 A
(0x00001000L)671 3819 A
7008 V
(#de256ne)366 1440 A
(NWUO_RWDATALL)793 2355 A
(0x10000000L)671 3819 A
7128 V
(#de256ne)366 1440 A
(NWUO_IPOPT_MASK)915 1867 A
(0x2000L)427 3331 A
7248 V
(#de256ne)366 1440 A
(NWUO_EN_IPOPT)793 2355 A
(0x00002000L)671 3819 A
7368 V
(#de256ne)366 1440 A
(NWUO_DI_IPOPT)793 2355 A
(0x20000000L)671 3819 A
7903 V
10 R
720(Page)S
941(9)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
EP
%%Page: 10 19
BP
/slant 0 def
/height 0 def
480 V
10 R
720(IP)S
818(()S
860(4)S
918())S
2696(Eighth)S
(Edition)296 2989 A
5029(IP)S
5127(()S
5169(4)S
5227())S
960 V
1080(A)S
1183(UDP)S
1415(channel)S
1758(is)S
1855(considered)S
2321(con256gured)S
2782(when)S
3031(one)S
3207(257ag)S
3389(in)S
(each)185 3498 A
3714(category)S
4092(has)S
4257(been)S
4478(selected.)S
4884(Thus)S
5116(one)S
1080 V
1080(of)S
10 B
1287(NWUO_EXCL)S
10 R
1941(,)S
10 B
2089(NWUO_SHARED)S
10 R
3006(or)S
10 B
3213(NWUO_COPY)S
10 R
3873(,)S
4020(one)S
4287(of)S
10 B
4493(NWUO_LP_SEL)S
10 R
5236(,)S
1200 V
10 B
1080(NWUO_LP_SET)S
10 R
1873(or)S
10 B
(NWUO_LP_ANY)772 2007 A
10 R
2779(,)S
2854(one)S
3049(of)S
10 B
3183(NWUO_EN_LOC)S
10 R
4016(or)S
10 B
4151(NWUO_DI_LOC)S
10 R
4905(,)S
4981(one)S
5177(of)S
1320 V
10 B
1080(NWUO_EN_BROAD)S
10 R
2008(,)S
2080(or)S
10 B
2211(NWUO_DI_BROAD)S
10 R
3111(,)S
3183(one)S
3375(of)S
10 B
3506(NWUO_RP_SET)S
10 R
4255(,)S
4327(or)S
10 B
(NWUO_RP_ANY)778 4458 A
10 R
5236(,)S
1440 V
1080(one)S
1335(of)S
10 B
1529(NWUO_RA_SET)S
10 R
2289(,)S
2424(or)S
10 B
(NWUO_RA_ANY)789 2618 A
10 R
3407(,)S
3542(one)S
3797(of)S
10 B
3991(NWUO_RWDATONLY)S
10 R
5042(,)S
5177(or)S
1560 V
10 B
1080(NWUO_RWDATALL)S
10 R
2047(,)S
2100(and)S
2273(one)S
2446(of)S
10 B
2558(NWUO_EN_IPOPT)S
10 R
3430(,)S
3483(or)S
10 B
3595(NWUO_DI_IPOPT)S
10 R
4439(.)S
4517(The)S
(acc)135 4702 A
4865(257ags)S
5082(con-)S
1680 V
1080(trol)S
1254(the)S
(access)258 1411 A
1703(to)S
1815(a)S
1894(certain)S
2203(UDP)S
2439(port.)S
10 B
2685(NWUO_EXCL)S
10 R
3373(means)S
3664(exclusive)S
(access:)286 4078 A
4398(no)S
4532(other)S
4773(channel)S
5121(can)S
1800 V
1080(use)S
1250(this)S
1431(port.)S
10 B
1678(NWUO_SHARED)S
10 R
2507(means)S
2799(shared)S
(access:)286 3097 A
3418(only)S
3631(channels)S
4018(that)S
4204(specify)S
4530(shared)S
(access)258 4828 A
5121(can)S
1920 V
1080(use)S
1254(this)S
1439(port)S
1641(and)S
1826(all)S
1967(packets)S
2309(that)S
2500(are)S
(received)342 2664 A
3046(are)S
3211(handed)S
3542(to)S
3661(at)S
3775(most)S
4011(one)S
4197(channel.)S
10 B
4601(NWUO_COPY)S
2040 V
10 R
1080(imposes)S
1434(no)S
(access)258 1559 A
1842(restriction)S
2276(and)S
2446(all)S
2572(channels)S
2949(get)S
3097(a)S
(copy)195 3167 A
3387(of)S
3496(every)S
(received)342 3745 A
4112(packet)S
4400(for)S
4543(that)S
4719(port.)S
2208 V
1080(The)S
10 B
1272(locport)S
10 R
1615(257ags)S
1840(control)S
2160(the)S
2318(selection)S
2711(of)S
2830(the)S
2988(UDP)S
3225(port)S
3422(for)S
3575(this)S
3755(channel.)S
10 B
4153(NWUO_LP_SEL)S
10 R
4931(requests)S
2328 V
1080(the)S
1240(server)S
1524(to)S
1639(pick)S
1849(a)S
1930(port.)S
2178(This)S
2393(port)S
(will)157 2591 A
2784(be)S
2915(in)S
3029(the)S
3188(range)S
3448(from)S
(32768)250 3680 A
3966(to)S
(65535)250 4080 A
4366(and)S
4547(it)S
(will)157 4639 A
4832(be)S
4963(unique.)S
2448 V
10 B
1080(NWUO_LP_SET)S
10 R
1853(sets)S
2035(the)S
2189(local)S
2416(port)S
2609(to)S
2718(the)S
2872(value)S
3121(of)S
3236(the)S
10 B
3390(nwuo_locport)S
10 R
4014(256eld.)S
10 B
(NWUO_LP_ANY)772 4274 A
10 R
5077(does)S
2568 V
1080(not)S
1252(select)S
1526(a)S
1615(port.)S
(Reception)408 1870 A
2321(of)S
2448(data)S
2659(is)S
2769(therefore)S
3177(not)S
3348(possible)S
3720(but)S
3891(it)S
3990(is)S
4100(possible)S
4472(to)S
4593(send)S
4820(data.)S
5081((See)S
2688 V
10 B
1080(tcpip_read)S
10 R
1545(,)S
1595(and)S
10 B
1765(tcpip_write)S
10 R
(above).)299 2284 A
2856 V
1080(The)S
10 B
1267(locaddr)S
10 R
1627(257ags)S
1847(control)S
2162(the)S
(reception)375 2315 A
2720(of)S
2834(packets.)S
10 B
3216(NWUO_EN_LOC)S
10 R
4029(enables)S
4362(the)S
(reception)375 4516 A
4922(of)S
5037(pack-)S
2976 V
1080(ets)S
1222(with)S
1431(the)S
1584(local)S
1810(IP)S
1930(address)S
2261(as)S
2374(destination.)S
10 B
2894(NWUO_DI_LOC)S
10 R
3677(disables)S
4030(the)S
(reception)375 4182 A
4586(of)S
4699(packet)S
4991(for)S
5138(the)S
3096 V
1080(local)S
1301(IP)S
1416(address.)S
3264 V
1080(The)S
10 B
1267(broad)S
10 R
1554(257ags)S
1774(control)S
2089(the)S
(reception)375 2242 A
2647(of)S
2762(broadcast)S
3179(packets.)S
10 B
3562(NWUO_EN_BROAD)S
10 R
4521(enables)S
4854(the)S
(recep-)253 5008 A
3384 V
1080(tion)S
1261(of)S
1370(broadcast)S
1781(packets)S
2108(and)S
10 B
2278(NWUO_DI_BROAD)S
10 R
3203(disables)S
3552(the)S
(reception)375 3700 A
4100(of)S
4209(broadcast)S
4620(packets.)S
3552 V
1080(The)S
10 B
1268(remport)S
10 R
1658(257ags)S
1879(let)S
2011(the)S
2165(client)S
2420(to)S
2529(specify)S
2851(one)S
3027(speci256c)S
3366(remote)S
3677(UDP)S
3910(port)S
4103(or)S
4219(to)S
4329(allow)S
4585(any)S
4762(remote)S
5074(port.)S
3672 V
10 B
1080(NWUO_RP_SET)S
10 R
1872(sets)S
2066(the)S
2231(remote)S
2553(UDP)S
2797(port)S
3001(to)S
3121(the)S
3286(value)S
3546(of)S
10 B
3672(nwuo_remport)S
10 R
4316(.)S
4408(Only)S
4651(packets)S
4995(with)S
5216(a)S
3792 V
1080(matching)S
1491(remote)S
1808(port)S
(will)157 2007 A
2201(be)S
2333(delivered)S
2745(and)S
2927(all)S
3065(packets)S
(will)157 3404 A
3598(be)S
3730(sent)S
3929(to)S
4044(that)S
4233(port.)S
10 B
(NWUO_RP_ANY)778 4483 A
3912 V
10 R
1080(allows)S
(reception)375 1383 A
1798(of)S
1922(packets)S
2264(form)S
2500(any)S
2685(port)S
2887(and)S
3071(when)S
(transmitting)486 3328 A
3853(packets)S
4194(the)S
4356(remote)S
4675(port)S
4876(has)S
5049(to)S
5166(be)S
4032 V
1080(speci256ed.)S
4200 V
1080(The)S
10 B
1272(remaddr)S
10 R
1688(257ags)S
1913(control)S
2233(the)S
2391(remote)S
2706(IP)S
2831(address.)S
10 B
3218(NWUO_RA_SET)S
10 R
4013(sets)S
4199(the)S
4358(remote)S
4674(IP)S
4800(address)S
5138(the)S
4320 V
1080(value)S
1325(of)S
10 B
1436(nwuo_remaddr)S
10 R
2102(.)S
2179(Only)S
2407(packets)S
2736(from)S
2959(that)S
3136(address)S
(will)157 3464 A
3647(be)S
3768(delivered)S
4169(and)S
4340(all)S
4467(packets)S
(will)157 4795 A
4978(be)S
5099(sent)S
4440 V
1080(to)S
1191(that)S
1375(address.)S
10 B
(NWUO_RA_ANY)789 1760 A
10 R
2582(allows)S
(reception)375 2878 A
3286(of)S
3403(packets)S
3738(from)S
3967(any)S
4145(host)S
4345(and)S
4523(when)S
(transmitting)486 4775 A
4560 V
1080(packets)S
1407(the)S
1555(remote)S
1860(host)S
2052(has)S
2211(to)S
2314(be)S
2434(speci256ed.)S
4728 V
1080(The)S
10 B
1263(rw)S
10 R
1407(257ags)S
1623(control)S
1934(the)S
2083(format)S
2378(of)S
2488(the)S
2637(data)S
2831(to)S
2936(be)S
3058(sent)S
3247(or)S
(received.)367 3358 A
3777(With)S
10 B
4005(NWUO_RWDATONLY)S
10 R
5083(only)S
4848 V
1080(the)S
1236(data)S
1437(part)S
1627(of)S
1744(a)S
1822(UDP)S
2057(packet)S
2353(is)S
2453(sent)S
2648(to)S
2759(the)S
2915(server)S
3195(and)S
3373(only)S
3584(the)S
3740(data)S
3941(part)S
4131(is)S
(received)342 4231 A
4606(from)S
4834(the)S
4989(server.)S
4968 V
1080(The)S
10 B
1269(NWUO_RWDATALL)S
10 R
2268(mode)S
2523(presents)S
2885(the)S
3040(data)S
3240(part)S
3429(of)S
3545(a)S
3622(UDP)S
3856(packet)S
4151(with)S
4362(a)S
4440(header)S
4742(that)S
4926(contains)S
5088 V
1080(the)S
1229(source)S
1518(and)S
1689(destination)S
2156(IP)S
2272(address,)S
2625(source)S
2914(and)S
3085(destination)S
3552(UDP)S
3780(ports,)S
4031(the)S
4179(IP)S
4294(options,)S
4639(etc.)S
4832(The)S
5014(server)S
5208 V
1080(expects)S
1407(such)S
1616(a)S
1686(header)S
1980(in)S
2083(front)S
2304(of)S
2413(the)S
2561(data)S
2754(to)S
2857(be)S
(transmitted.)478 2977 A
5376 V
1080(The)S
10 B
1266(ipopt)S
10 R
1519(257ags)S
1738(control)S
2052(the)S
2204(delivery)S
2563(and)S
2737(transmission)S
3274(of)S
3387(IP)S
3506(options.)S
3880(When)S
10 B
4150(NWUO_EN_IPOPT)S
10 R
5052(is)S
5149(set)S
5496 V
1080(IP,)S
1221(options)S
(will)157 1542 A
1725(be)S
1846(delivered)S
2247(and)S
2418(sent.)S
2655(When)S
10 B
2920(NWUO_DI_IPOPT)S
10 R
3789(is)S
3881(set)S
4018(IP)S
4133(option)S
(will)157 4414 A
4596(be)S
4716(stripped)S
5065(from)S
5616 V
(received)342 1080 A
1447(packets)S
1774(and)S
1944(no)S
2069(IP)S
2184(options)S
(will)157 2504 A
2686(be)S
2806(sent.)S
5784 V
9 R
720(F)S
722(FI)S
774(IL)S
807(LE)S
865(ES)S
923(S)S
5904 V
10 R
1080(/dev/eth[01])S
1980(First)S
2190(and)S
(second)279 2360 A
2664(raw)S
2841(ethernet.)S
6072 V
1080(/dev/psip[01])S
1980(First)S
2190(and)S
(second)279 2360 A
(Pseudo)290 2664 A
2979(IP)S
3094(network.)S
6240 V
(/dev/ip[0123])547 1080 A
1980(IP)S
2095(devices)S
2422(for)S
2565(two)S
2741(ethernets)S
3130(and)S
3300(two)S
(Pseudo)290 3476 A
3791(IP)S
3906(networks.)S
6408 V
(/dev/tcp[0123])592 1080 A
1980(TCP)S
2190(devices)S
2517(for)S
2660(same)S
2892(four)S
3085(networks.)S
6576 V
(/dev/udp[0123])619 1080 A
1980(UDP)S
2207(devices.)S
6744 V
1080(/dev/eth,)S
1454(/dev/psip,)S
1872(/dev/ip,)S
2201(/dev/tcp,)S
(/dev/udp)351 2575 A
6864 V
1980(Devices)S
2335(for)S
2483(the)S
2636(default)S
2946(network,)S
3332(links)S
3558(to)S
3667(the)S
3821(devices)S
(above.)265 4154 A
10 B
4475(Eth)S
10 R
4663(is)S
4761(only)S
4970(present)S
6984 V
1980(if)S
2067(ethernet)S
2417(is)S
2509(the)S
2657(default,)S
10 B
2987(psip)S
10 R
3191(only)S
3394(for)S
(pseudo)284 3537 A
3846(IP.)S
7152 V
9 R
720(S)S
722(SE)S
774(EE)S
832(E)S
913(A)S
915(AL)S
983(LS)S
1041(SO)S
1093(O)S
7272 V
10 B
1080(hton)S
10 R
1276((3),)S
10 B
1444(oneC_sum)S
10 R
1897((3),)S
10 B
2065(set_net_default)S
10 R
2721((8),)S
10 B
2889(boot)S
10 R
3079((8).)S
7903 V
720(September)S
1176(17,)S
(1996)200 1326 A
4940(Page)S
5161(10)S
8143 V
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/slant 0 def
/height 0 def
480 V
10 R
720(IP)S
818(()S
860(4)S
918())S
2696(Eighth)S
(Edition)296 2989 A
5029(IP)S
5127(()S
5169(4)S
5227())S
960 V
9 R
720(D)S
722(DI)S
790(IA)S
823(AG)S
891(GN)S
959(NO)S
1027(OS)S
1095(ST)S
1147(TI)S
1205(IC)S
1238(CS)S
1300(S)S
1080 V
10 R
1080(Several)S
1413(errors)S
1679(may)S
1882(be)S
2007(returned)S
2373(by)S
2503(the)S
2656(TCP/IP)S
2989(server.)S
3316(The)S
3503(error)S
3730(code)S
3950(is)S
(found)234 4047 A
4311(in)S
4419(the)S
10 B
(errno)241 4572 A
10 R
4843(variable)S
5199(if)S
1200 V
1080(the)S
10 B
1228(read)S
10 R
1424(,)S
10 B
1474(write)S
10 R
1699(,)S
1749(or)S
10 B
1858(ioctl)S
10 R
2068(call)S
2239(returns)S
2544(-1.)S
2703(The)S
2885(TCP/IP)S
3213(error)S
3435(codes)S
3689(de256ned)S
4010(in)S
4113(<errno.h>)S
4540(are:)S
1368 V
1080(EPACKSIZE)S
2497(This)S
2712(indicates)S
3106(an)S
3237(attempt)S
3575(to)S
3689(read)S
3899(or)S
4019(write)S
4263(with)S
4478(a)S
4559(buffer)S
4842(that)S
5029(is)S
5133(too)S
1488 V
2497(large)S
2724(or)S
2833(too)S
2986(small.)S
1656 V
1080(EOUTOFBUFS)S
2497(The)S
2679(TCP/IP)S
3007(server)S
3279(has)S
3438(insuf256cient)S
3916(memory)S
4276(to)S
4379(execute)S
4712(the)S
4860(request.)S
1824 V
1080(EBADIOCTL)S
2497(This)S
2730(indicates)S
3142(an)S
3292(attempt)S
3649(to)S
3782(execute)S
4145(a)S
4245(command)S
4696(the)S
4874(particular)S
1944 V
2497(server)S
2770(does)S
2980(not)S
(understand.)466 3134 A
3651(For)S
3817(example,)S
4209(a)S
10 B
4280(NWIOGTCPCONF)S
10 R
5161(on)S
2064 V
2497(an)S
2617(ETH)S
2839(channel.)S
2232 V
1080(EBADMODE)S
2497(The)S
2679(request)S
2995(is)S
3087(refused)S
(because)319 3409 A
3753(the)S
3901(channel)S
4239(is)S
4332(not)S
4486(fully)S
4702(con256gured,)S
5183(in)S
2352 V
2497(the)S
(wrong)257 2645 A
2927(state)S
3137(or)S
3246(the)S
3394(parameters)S
3862(are)S
4011(invalid.)S
2520 V
(EBADDEST)528 1080 A
2497(This)S
2701(indicates)S
3084(an)S
(illegal)252 3204 A
3481(destination)S
3947(address)S
4274(for)S
4417(a)S
4487(packet.)S
2688 V
1080(EDSTNORCH)S
2497(The)S
2679(destination)S
3145(is)S
3237(not)S
(reachable.)412 3390 A
2856 V
(EISCONN)438 1080 A
2497(The)S
2679(channel)S
3017(is)S
3109(already)S
(connected)408 3431 A
3864(so)S
3978(a)S
(second)279 4048 A
4352(request)S
4668(is)S
4760(refused.)S
3024 V
(EADDRINUSE)646 1080 A
2497(This)S
2701(address)S
3028(is)S
3120(in)S
3223(use.)S
3192 V
(ECONNREFUSED)797 1080 A
2497(The)S
(connection)441 2679 A
3145(is)S
3237(refused)S
3559(by)S
3684(the)S
3832(other)S
4064(side.)S
3360 V
(ECONNRESET)657 1080 A
2497(The)S
(connection)441 2702 A
3191(is)S
3306(reset)S
((non-gracefully)627 3545 A
4220(terminated))S
4733(by)S
4882(the)S
5054(other)S
3480 V
2497(side.)S
3648 V
(ETIMEDOUT)590 1080 A
2497(The)S
(connection)441 2679 A
3145(is)S
3237(terminated)S
3693(due)S
3863(to)S
3966(an)S
4086(expired)S
4413(timer.)S
3816 V
1080(EURG)S
2497(Urgent)S
2809(data)S
3009(is)S
3108(present)S
3431(and)S
3608(the)S
3763(current)S
(receive)292 4081 A
4405(mode)S
4660(does)S
4876(not)S
5037(allow)S
3936 V
2497(urgent)S
2779(data)S
2972(to)S
3075(be)S
3195(transferred.)S
4104 V
(ENOURG)421 1080 A
2497(No)S
2645(urgent)S
2927(data)S
3120(is)S
3212(present)S
3528(and)S
3698(a)S
3768(request)S
4084(came)S
4322(for)S
4465(urgent)S
4747(data.)S
4272 V
(ENOTCONN)556 1080 A
2497(The)S
2698(request)S
3034(requires)S
3404(a)S
(connected)408 3494 A
3947(channel)S
4305(and)S
4495(the)S
4663(channel)S
5021(is)S
5133(not)S
4392 V
(connected.)433 2497 A
4560 V
1080(ESHUTDOWN)S
2497(The)S
(connection)441 2684 A
3156(is)S
3254(shut)S
3452(down.)S
3756(That)S
3972(is,)S
4095(a)S
10 B
4171(NWIOTCPSHUTDOWN)S
4680 V
10 R
2497(has)S
2656(been)S
2871(executed)S
3254(so)S
3368(no)S
3493(more)S
3725(data)S
3918(can)S
4083(be)S
(transmitted.)478 4203 A
4848 V
(ENOCONN)494 1080 A
2497(The)S
(connection)441 2679 A
3145(does)S
3354(not)S
3507(exist.)S
5016 V
1080(EGENERIC)S
2497(A)S
2595(generic)S
2917(error)S
3139(code)S
3354(for)S
3497(extremely)S
3925(weird)S
4180(cases.)S
5184 V
9 R
720(A)S
722(AU)S
790(UT)S
858(TH)S
916(HO)S
984(OR)S
1052(R)S
5304 V
10 R
(Philip)240 1080 A
1345(Homburg)S
((philip@cs.vu.nl))707 1755 A
7903 V
720(Page)S
941(11)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
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/slant 0 def
/height 0 def
480 V
10 R
720(LP)S
846(()S
888(4)S
946())S
2696(Eighth)S
(Edition)296 2989 A
5001(LP)S
5127(()S
5169(4)S
5227())S
960 V
9 R
720(N)S
722(NA)S
790(AM)S
858(ME)S
940(E)S
1080 V
10 R
1080(lp)S
10 R-1
1183(-)S
10 R
1265(line)S
1441(printer)S
1248 V
9 R
720(D)S
722(DE)S
790(ES)S
848(SC)S
900(CR)S
962(RI)S
1024(IP)S
1057(PT)S
1109(TI)S
1167(IO)S
1200(ON)S
1268(N)S
1368 V
10 R
1080(The)S
10 B
1267(lp)S
10 R
1382(device)S
1676(refers)S
1938(to)S
2047(the)S
2201(line)S
2383(printer)S
2683(attached)S
3050(to)S
3159(the)S
3313(parallel)S
3647(port.)S
3890(Any)S
4094(byte)S
(written)286 4298 A
4615(to)S
4724(this)S
4900(device)S
5194(is)S
1488 V
1080(printed.)S
1440(Only)S
1666(one)S
1836(process)S
2163(may)S
2361(have)S
2576(the)S
2724(device)S
3012(open.)S
1656 V
1080(The)S
10 B
1270(write)S
1528((2))S
10 R
1679(call)S
1858(may)S
2064(return)S
2338(with)S
2550(a)S
2628(smaller)S
(count)223 2958 A
3214(then)S
3420(the)S
3576(number)S
3916(of)S
4034(bytes)S
4280(requested)S
4700(to)S
4812(write.)S
5104(The)S
1776 V
1080(next)S
1279(write)S
1513(call)S
1685(is)S
1778(then)S
1977(likely)S
2232(to)S
2336(fail)S
2497(with)S
2702(the)S
2851(error)S
3074(code)S
10 B
3290(EAGAIN)S
10 R
3719(if)S
3807(the)S
3956(printer)S
4251(is)S
4344(out)S
4498(of)S
4607(paper,)S
4881(or)S
10 B
4990(EIO)S
10 R
5199(if)S
1896 V
1080(the)S
1228(printer)S
1522(is)S
1614(turned)S
1896(off.)S
2064 V
9 R
720(F)S
722(FI)S
774(IL)S
807(LE)S
865(ES)S
923(S)S
2184 V
10 R
1080(/dev/lp)S
1580(Parallel)S
1914(port)S
2101(device.)S
2352 V
9 R
720(S)S
722(SE)S
774(EE)S
832(E)S
913(A)S
915(AL)S
983(LS)S
1041(SO)S
1093(O)S
2472 V
10 B
1080(lp)S
10 R
1164((1).)S
2640 V
9 R
720(B)S
722(BU)S
784(UG)S
852(GS)S
920(S)S
2760 V
10 R
1080(Only)S
1306(one)S
1476(parallel)S
1804(port)S
1991(is)S
(supported.)421 2083 A
2928 V
9 R
720(A)S
722(AU)S
790(UT)S
858(TH)S
916(HO)S
984(OR)S
1052(R)S
3048 V
10 R
1080(Kees)S
1307(J.)S
1396(Bot)S
1566((kjb@cs.vu.nl))S
7903 V
720(Page)S
941(1)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
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/slant 0 def
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480 V
10 R
720(MTIO)S
986(()S
1028(4)S
1086())S
2696(Eighth)S
(Edition)296 2989 A
4861(MTIO)S
5127(()S
5169(4)S
5227())S
960 V
9 R
720(N)S
722(NA)S
790(AM)S
858(ME)S
940(E)S
1080 V
10 R
1080(mtio)S
10 R-1
1289(-)S
10 R
1371(magnetic)S
1765(tape)S
1958(commands)S
1248 V
9 R
720(S)S
722(SY)S
774(YN)S
842(NO)S
910(OP)S
978(PS)S
1030(SI)S
1082(IS)S
1115(S)S
1368 V
10 B
1080(#include)S
1482(<sys/types.h>)S
1488 V
1080(#include)S
1482(<sys/mtio.h>)S
1608 V
1080(#include)S
1482(<sys/ioctl.h>)S
1776 V
9 R
720(D)S
722(DE)S
790(ES)S
848(SC)S
900(CR)S
962(RI)S
1024(IP)S
1057(PT)S
1109(TI)S
1167(IO)S
1200(ON)S
1268(N)S
1896 V
10 R
1080(The)S
1268(magnetic)S
1668(tape)S
1867(devices)S
2200(described)S
2618(in)S
10 B
2728(sd)S
10 R
2823((4))S
2973(may)S
3178(be)S
3305(sent)S
3499(commands)S
3966(or)S
4082(queried)S
4416(for)S
4566(their)S
4783(status)S
5044(using)S
2016 V
1080(the)S
1228(following)S
1644(ioctl)S
1848(calls:)S
2184 V
10 B
1440(ioctl)S
10 R
1625(()S
10 I
1659(fd)S
10 R
1737(,)S
10 B
1787(MTIOCTOP)S
10 R
2346(,)S
2396(&)S
10 B
2474(struct)S
2752(mtop)S
10 R
2976())S
2304 V
10 B
1440(ioctl)S
10 R
1625(()S
10 I
1659(fd)S
10 R
1737(,)S
10 B
1787(MTIOCGET)S
10 R
2351(,)S
2401(&)S
10 B
2479(struct)S
2757(mtget)S
10 R
3004())S
2472 V
1080(The)S
1262(struct)S
1511(mtop,)S
1767(struct)S
2016(mtget)S
2270(and)S
2440(associated)S
(de256nitions)424 2879 A
3328(are)S
3477(de256ned)S
3798(in)S
3901(<sys/mtio.h>)S
4455(as)S
4564(follows:)S
2640 V
1080(/*)S
1183(Tape)S
1410(operations:)S
1882(ioctl(fd,)S
2229(MTIOCTOP,)S
2795(&struct)S
3122(mtop))S
3387(*/)S
2880 V
1080(struct)S
1329(mtop)S
1560({)S
3000 V
1280(short)S
(mt_op;)284 1630 A
2380(/*)S
2483(Operation)S
2911((MTWEOF,)S
3432(etc.))S
3634(*/)S
3120 V
1280(int)S
(mt_count;)407 1630 A
2380(/*)S
2483(Repeat)S
(count.)248 2788 A
3061(*/)S
3240 V
1080(};)S
3480 V
1080(#de256ne)S
1401(MTWEOF)S
1930(0)S
2180(/*)S
2283(Write)S
2538(End-Of-File)S
3057(Marker)S
3379(*/)S
3600 V
1080(#de256ne)S
(MTFSF)319 1401 A
1930(1)S
2180(/*)S
2283(Forward)S
(Space)241 2650 A
2916(File)S
3098(mark)S
3330(*/)S
3720 V
1080(#de256ne)S
1401(MTBSF)S
1930(2)S
2180(/*)S
2283(Backward)S
(Space)241 2717 A
2983(File)S
3165(mark)S
3397(*/)S
3840 V
1080(#de256ne)S
1401(MTFSR)S
1930(3)S
2180(/*)S
2283(Forward)S
(Space)241 2650 A
2916(Record)S
3232(*/)S
3960 V
1080(#de256ne)S
1401(MTBSR)S
1930(4)S
2180(/*)S
2283(Backward)S
(Space)241 2717 A
2983(Record)S
3299(*/)S
4080 V
1080(#de256ne)S
1401(MTREW)S
1930(5)S
2180(/*)S
2283(Rewind)S
2621(tape)S
2814(*/)S
4200 V
1080(#de256ne)S
1401(MTOFFL)S
1930(6)S
2180(/*)S
2283(Rewind)S
2621(and)S
2791(take)S
2984(Of257ine)S
3295(*/)S
4320 V
1080(#de256ne)S
1401(MTNOP)S
1930(7)S
2180(/*)S
2283(No-Operation,)S
2893(set)S
3030(status)S
3284(only)S
3487(*/)S
4440 V
1080(#de256ne)S
(MTRETEN)477 1401 A
1930(8)S
2180(/*)S
2283(Retension)S
2710((completely)S
3216(wind)S
3442(and)S
3612(rewind))S
3951(*/)S
4560 V
1080(#de256ne)S
1401(MTERASE)S
1930(9)S
2180(/*)S
2283(Erase)S
2533(the)S
2681(tape)S
2874(and)S
3044(rewind)S
3349(*/)S
4680 V
1080(#de256ne)S
1401(MTEOM)S
1930(10)S
2180(/*)S
(Position)329 2283 A
2637(at)S
2735(End-Of-Media)S
3354(*/)S
4800 V
1080(#de256ne)S
1401(MTMODE)S
1930(11)S
2180(/*)S
2283(Select)S
2555(tape)S
2748(density)S
3063(*/)S
4920 V
1080(#de256ne)S
1401(MTBLKZ)S
1930(12)S
2180(/*)S
2283(Select)S
2555(tape)S
2748(block)S
2996(size)S
3178(*/)S
5160 V
1080(/*)S
1183(Tape)S
1410(status:)S
1692(ioctl(fd,)S
2039(MTIOCGET,)S
2611(&struct)S
2938(mtget))S
3226(*/)S
5400 V
1080(struct)S
1329(mtget)S
1583({)S
5520 V
1280(short)S
1630(mt_type;)S
2380(/*)S
2483(Type)S
2715(of)S
2824(tape)S
3017(device.)S
3330(*/)S
5760 V
1280(/*)S
1383(Device)S
1694(dependent)S
2132("registers".)S
2606(*/)S
5880 V
1280(short)S
1630(mt_dsreg;)S
2380(/*)S
2483(Drive)S
2738(status)S
2992(register.)S
3345(*/)S
6000 V
1280(short)S
1630(mt_erreg;)S
2380(/*)S
2483(Error)S
2722(register.)S
3075(*/)S
6240 V
1280(/*)S
1383(Misc)S
1609(info.)S
1821(*/)S
6360 V
1280(off_t)S
1630(mt_resid;)S
2380(/*)S
2483(Residual)S
(count.)248 2860 A
3133(*/)S
6480 V
1280(off_t)S
1630(mt_256leno;)S
2380(/*)S
2483(Current)S
2816(File)S
2998(Number.)S
3378(*/)S
6600 V
1280(off_t)S
(mt_blkno;)412 1630 A
2380(/*)S
2483(Current)S
2816(Block)S
3081(Number)S
3436(within)S
3718(256le.)S
3897(*/)S
6720 V
1280(off_t)S
1630(mt_blksize;)S
2380(/*)S
2483(Current)S
2816(block)S
3064(size.)S
3271(*/)S
6840 V
1080(};)S
7128 V
1080(See)S
10 B
1261(mt)S
10 R
1379((1))S
1532(for)S
1685(a)S
1765(detailed)S
2119(description)S
2601(on)S
2736(what)S
(each)185 2967 A
3187(operation)S
3602(does.)S
3871(The)S
4063(mt_type)S
4428(256eld)S
4643(is)S
4746(always)S
5062(zero,)S
7248 V
1080(there)S
1313(is)S
1411(no)S
1542(use)S
1707(for)S
1856(it)S
1943(yet.)S
2147(Mt_dsreg)S
2563(is)S
2661(0)S
2742((OK),)S
3012(1)S
3093((Error),)S
3431(or)S
3545(2)S
3625((EOF)S
(encountered.))551 3880 A
4486(Mt_erreg)S
4891(holds)S
5138(the)S
7368 V
1080(SCSI)S
1330(sense)S
1585(key)S
1767(of)S
1888(the)S
2048(last)S
2225(operation.)S
2693(Mt_blksize)S
3183(is)S
3288(the)S
3449(current)S
3773(tape)S
3979(block)S
4240(size)S
4435(in)S
4551(bytes,)S
4826(zero)S
5038(if)S
5138(the)S
7488 V
1080(block)S
1328(size)S
1510(is)S
1602(variable.)S
7903 V
720(Page)S
941(1)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
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/slant 0 def
/height 0 def
480 V
10 R
720(MTIO)S
986(()S
1028(4)S
1086())S
2696(Eighth)S
(Edition)296 2989 A
4861(MTIO)S
5127(()S
5169(4)S
5227())S
960 V
1080(Note)S
1306(that)S
1487(one)S
1662(can)S
1832(issue)S
2064(these)S
2302(commands)S
2768(on)S
2899(a)S
2975(256le)S
3135(descriptor)S
3569(that)S
3751(is)S
3849(in)S
3958(use)S
4123(to)S
4232(read)S
4437(or)S
4552(write)S
4791(data,)S
5015(some-)S
1080 V
1080(thing)S
1315(that)S
10 B
1495(mt)S
10 R
1642(can't)S
1872(do.)S
2050(So)S
(you)150 2184 A
2362(can)S
2530(add)S
2703(eof)S
2860(markers)S
3213(in)S
3319(the)S
3470(middle)S
3777(of)S
3889(an)S
4012(output)S
4296(stream,)S
4618(or)S
4730(get)S
4881(the)S
5032(status)S
1200 V
1080(of)S
1189(a)S
1259(device)S
1547(before)S
1830(a)S
1900(rewind-on-close)S
2580(tape)S
2773(rewinds.)S
1368 V
1080(The)S
1262(driver)S
(will)157 1528 A
1710(automatically)S
2283(add)S
2453(an)S
2573(end)S
2743(of)S
2852(256le)S
3006(marker)S
3317(to)S
3420(a)S
3490(tape)S
3683(that)S
3859(is)S
(written)286 3952 A
4264(to)S
4368(if)S
(you)150 4456 A
4632(execute)S
4966(a)S
(space)224 5037 A
1488 V
1080(command.)S
1551(If)S
(you)150 1644 A
1819(write)S
2052(eof)S
2206(markers)S
(yourself)330 2556 A
2911(then)S
3109(the)S
3257(driver)S
(will)157 3523 A
3705(not)S
3858(add)S
4028(one)S
4198(extra)S
4425(on)S
4550(close.)S
1656 V
9 R
720(S)S
722(SE)S
774(EE)S
832(E)S
913(A)S
915(AL)S
983(LS)S
1041(SO)S
1093(O)S
1776 V
10 B
1080(mt)S
10 R
1198((1),)S
10 B
1366(sd)S
10 R
1461((4).)S
1944 V
9 R
720(A)S
722(AU)S
790(UT)S
858(TH)S
916(HO)S
984(OR)S
1052(R)S
2064 V
10 R
1080(Kees)S
1307(J.)S
1396(Bot)S
1566((kjb@cs.vu.nl))S
7903 V
720(September)S
1176(17,)S
(1996)200 1326 A
4990(Page)S
5211(2)S
8143 V
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/slant 0 def
/height 0 def
480 V
10 R
720(SD)S
857(()S
899(4)S
957())S
2696(Eighth)S
(Edition)296 2989 A
4990(SD)S
5127(()S
5169(4)S
5227())S
960 V
9 R
720(N)S
722(NA)S
790(AM)S
858(ME)S
940(E)S
1080 V
10 R
1080(sd,)S
1219(st,)S
1336(sg)S
10 R-1
1450(-)S
10 R
1532(SCSI)S
1770(hard)S
1974(disk)S
2166(/)S
2219(tape)S
2412(/)S
2465(generic)S
1248 V
9 R
720(D)S
722(DE)S
790(ES)S
848(SC)S
900(CR)S
962(RI)S
1024(IP)S
1057(PT)S
1109(TI)S
1167(IO)S
1200(ON)S
1268(N)S
1368 V
10 R
1080(The)S
10 B
1263(sd*)S
10 R
1408(,)S
10 B
1459(st*)S
10 R
1582(,)S
10 B
1633(sg*)S
10 R
1798(family)S
2087(of)S
2197(devices)S
2525(refer)S
2743(to)S
2847(the)S
2996(SCSI)S
3235(hard)S
3440(disk,)S
3658(tape)S
3852(and)S
4023(generic)S
4347(driver)S
4615(using)S
4859(the)S
5009(Adap-)S
1488 V
1080(tec)S
(154x)200 1229 A
1460(series)S
1721(of)S
1836(controllers.)S
2348(This)S
2557(manual)S
2883(page)S
3103(only)S
3311(describes)S
3716(the)S
3869(differences)S
4348(between)S
4714(the)S
4867(sd)S
4986(and)S
5161(hd)S
1608 V
1080(devices,)S
1432(read)S
10 B
1631(hd)S
10 R
1743((4))S
1886(256rst.)S
1776 V
1080(The)S
1269(devices)S
1603(numbers)S
1981(of)S
2098(the)S
2254(SCSI)S
2500(devices)S
2835(are)S
2992(statically)S
3389(mapped)S
3740(onto)S
3951(the)S
4107(SCSI)S
4353(targets)S
4655(0)S
4738(to)S
4849(7.)S
4982(This)S
5194(is)S
1896 V
(done)195 1080 A
1310(like)S
1496(the)S
1654(hd)S
1789(devices)S
2125(with)S
10 B
2338(sd[0)S
10 B-1
2517(-)S
10 B
2574(4])S
10 R
2692(referring)S
3080(to)S
3192(target)S
3456(0,)S
10 B
3565(sd[5)S
10 B-1
3744(-)S
10 B
3801(9])S
10 R
3919(to)S
4031(target)S
4295(1,)S
4404(etc.)S
4606(The)S
4797(logical)S
5105(unit)S
2016 V
1080(number)S
1412(is)S
1504(always)S
1809(0,)S
(because)319 1909 A
2253(devices)S
2580(with)S
2784(more)S
3016(than)S
3214(one)S
3384(logical)S
3683(unit)S
3864(are)S
4013(virtually)S
4379(extinct.)S
4728(The)S
4910(mapping)S
2136 V
1080(may)S
1278(be)S
1398(changed)S
1758(from)S
1979(the)S
(boot)178 2127 A
2330(environment)S
2863(however)S
3235((see)S
10 B
3423(boot)S
10 R
3613((8)).)S
2304 V
1080(Tapes)S
1355(start)S
1563(at)S
1670(minor)S
1944(device)S
2241(64,)S
2400(with)S
10 B
2613(nrst0)S
10 R
2872(at)S
2980(minor)S
3255(64,)S
10 B
3415(rst0)S
10 R
3618(at)S
3726(65,)S
10 B
3886(nrst1)S
10 R
4145(at)S
4253(66,)S
4413(etc.)S
4616(The)S
4808(mapping)S
5194(is)S
2424 V
1080(again)S
1332(static)S
1579(to)S
1691(target)S
1955((minor)S
10 R-1
2263(-)S
10 R
2354(64))S
2522(/)S
2584(2.)S
2718(The)S
10 B
2909(rst)S
10 R
3060(devices)S
3395(rewind)S
3708(the)S
3864(tape)S
4065(on)S
4198(close,)S
4463(the)S
10 B
4619(nrst)S
10 R
4826(devices)S
5161(do)S
2544 V
1080(not.)S
1283(See)S
10 B
1454(mt)S
10 R
1572((1),)S
1740(and)S
10 B
1910(mtio)S
10 R
2106((4))S
2249(for)S
2392(a)S
2462(description)S
2934(of)S
3043(the)S
3191(commands)S
3652(that)S
3829(may)S
4028(be)S
4149(sent)S
4337(to)S
4441(the)S
4590(tape,)S
4809(either)S
5065(from)S
2664 V
1080(the)S
1228(command)S
1649(prompt)S
1964(or)S
2073(from)S
2294(a)S
2364(program.)S
2832 V
(Through)346 1080 A
1452(the)S
1601(eight)S
1828(raw)S
2006(generic)S
2329(devices)S
10 B
2657(rsg[0)S
10 B-1
2875(-)S
10 B
2932(7])S
10 R
3042(starting)S
3370(at)S
3469(minor)S
(120,)175 3735 A
3936(one)S
4107(can)S
4273(send)S
4483(SCSI)S
4722(commands)S
5183(to)S
2952 V
1080(any)S
1250(SCSI)S
1488(device)S
1776(from)S
1997(user)S
2190(mode.)S
2488((Minix-vmd)S
3004(only.))S
3120 V
1080(The)S
1281(driver)S
1566(returns)S
1890(a)S
1979(drive)S
2230(geometry)S
2654(of)S
2782(64)S
2927(heads)S
3201(by)S
3346(32)S
3491(sectors)S
3816(per)S
3990(track)S
4237(for)S
4400(small)S
4663(disks)S
4914(with)S
5138(the)S
3240 V
1080(DIOCGETP)S
1617(ioctl.)S
1883(For)S
2060(large)S
2299(disks)S
(255x63)300 2542 A
2879(is)S
2983(returned.)S
3406(The)S
3600(size)S
3794(in)S
3909(sectors)S
4226(is)S
4330(usually)S
4657(larger)S
4929(than)S
5138(the)S
3360 V
1080(largest)S
1379(cylinder)S
1740(number)S
2078(indicates,)S
(because)319 2492 A
2842(the)S
2996(disk)S
3194(is)S
3292(not)S
3451(likely)S
3711(to)S
3820(exactly)S
4142(match)S
4419(that)S
4601(faked)S
4856(geometry.)S
3480 V
1080(Note)S
1301(that)S
1477(DOS)S
1704(may)S
1902(not)S
2055(be)S
2175(able)S
2368(to)S
(access)258 2471 A
2754(those)S
2991(last)S
3156(few)S
3333(sectors.)S
3648 V
870(D)S
872(Di)S
947(is)S
977(sk)S
1018(k)S
1111(l)S
1113(li)S
1143(ik)S
1173(ke)S
1225(e)S
1313(d)S
1315(de)S
1367(ev)S
1414(vi)S
1466(ic)S
1496(ce)S
1543(es)S
1590(s.)S
1631(.)S
3768 V
1080(Removable)S
1571(disks)S
((257oppies),)411 1810 A
2254(CD-ROM's)S
2763(and)S
2941(WORM)S
3298(disks)S
3537(may)S
3743(also)S
3938(be)S
(accessed)353 4066 A
(through)312 4452 A
4797(the)S
10 B
4953(sd)S
10 R
5082(dev-)S
3888 V
1080(ices.)S
1315(One)S
1511(is)S
1606(not)S
1762(allowed)S
2109(to)S
2215(write)S
2451(a)S
2524(WORM)S
2876(disk)S
3070(however,)S
(because)319 3469 A
3815(it)S
3898(is)S
3992(likely)S
4248(to)S
4353(be)S
4475(taken)S
4720(from)S
4943(an)S
5065(alien)S
4008 V
1080(operating)S
1486(system,)S
1816(so)S
1931(it)S
2013(seems)S
2285(safer)S
2508(to)S
2613(not)S
2768(allow)S
3019(Minix)S
3291(to)S
3396(stomp)S
3668(over)S
3874(it.)S
4007(One)S
4202(usually)S
4519(needs)S
4775(special)S
5082(O.S.)S
4128 V
(support)301 1080 A
1406(to)S
1509(keep)S
1724(one)S
1894(from)S
(writing)291 2115 A
2431(to)S
2534(the)S
2682(same)S
2914(block)S
3162(twice.)S
4296 V
1080(The)S
10 B
1268(DIOCEJECT)S
10 R
1886(ioctl)S
2096(ejects)S
2358(CD-ROMs,)S
(257oppies,)343 2857 A
3232(etc.)S
3432((See)S
10 B
3644(eject)S
10 R
3847((1).))S
4081(A)S
4186(256xed)S
4419(disk)S
4618(spins)S
4856(down)S
5111(if)S
5205(it)S
4416 V
(supports)340 1080 A
1445(the)S
1593(stop)S
1785(command.)S
4584 V
870(S)S
872(SC)S
930(CS)S
999(SI)S
1057(I)S
1134(T)S
1136(Ta)S
1200(ap)S
1247(pe)S
1299(es)S
1346(s)S
4704 V
1080(There)S
1354(are)S
1517(two)S
1707(types)S
1958(of)S
2081(SCSI)S
2333(tapes)S
2579(drives)S
(supported)396 2864 A
3299(by)S
3438(the)S
3600(driver:)S
3908(256xed)S
4148(or)S
4271(variable)S
4635(block)S
4897(size)S
5093(tape)S
4824 V
1080(drives.)S
1409(Examples)S
1839(of)S
1956(the)S
2112(256rst)S
2302(kind)S
2513(are)S
2670(cartridge)S
3062(tapes,)S
3327(with)S
3539(a)S
3617(256xed)S
(512)150 3851 A
4034(bytes)S
4279(block)S
4535(size.)S
4775(An)S
4931(Exabyte)S
4944 V
1080(tape)S
1280(drive)S
1519(has)S
1685(a)S
1762(variable)S
2119(block)S
2374(size,)S
2588(with)S
2800(a)S
2878(minimum)S
3301(of)S
3418(1)S
3501(byte)S
3707(and)S
3885(a)S
3963(maximum)S
4403(of)S
(245760)300 4520 A
4853(bytes)S
5098((see)S
5064 V
1080(the)S
1248(documentation)S
1890(of)S
2019(such)S
2247(devices.))S
2677(The)S
2878(maximum)S
3329(is)S
3440(truncated)S
3859(to)S
(32767)250 3981 A
4275(bytes)S
4531(for)S
4693(Minix-86)S
5116(and)S
5184 V
(61440)250 1080 A
1355(bytes)S
1592(for)S
1735(Minix-vmd,)S
(because)319 2242 A
2586(the)S
2734(driver)S
3000(can't)S
3227(move)S
3475(more)S
3707(bytes)S
3944(in)S
4047(a)S
4117(single)S
4382(request.)S
5352 V
1080(A)S
1182(read)S
1385(or)S
1498(write)S
1736(to)S
1844(a)S
1919(256xed)S
2150(block)S
2403(size)S
2590(tape)S
2788(must)S
3013(be)S
3138(a)S
3213(precise)S
(multiple)335 3529 A
3894(of)S
4008(the)S
4161(block)S
4414(size,)S
4626(any)S
4801(other)S
(count)223 5038 A
5472 V
1080(gives)S
1325(results)S
1621(in)S
1732(an)S
1860(I/O)S
2028(error.)S
2308(A)S
2414(read)S
2621(from)S
2850(a)S
2927(variable)S
3284(block)S
3539(sized)S
3778(tape)S
3978(must)S
4205(be)S
4332(large)S
(enough)295 4566 A
4893(to)S
(accept)258 5003 A
5592 V
1080(the)S
1244(block)S
1508(that)S
1700(is)S
1808(read,)S
2048(otherwise)S
2481(an)S
2617(I/O)S
2793(error)S
(will)157 3031 A
3229(be)S
3365(returned.)S
3792(A)S
3906(write)S
4155(can)S
4336(be)S
4472(any)S
4658(size)S
(above)240 4856 A
5138(the)S
5712 V
1080(minimum,)S
1526(creating)S
1882(a)S
1958(block)S
2212(of)S
2327(that)S
2509(size.)S
2747(If)S
2846(the)S
3000(write)S
(count)223 3239 A
3492(is)S
3589(larger)S
3855(than)S
4058(the)S
4211(maximum)S
4648(block)S
4901(size)S
5088(then)S
5832 V
1080(more)S
1314(blocks)S
1603(are)S
(written)286 1754 A
(until)184 2067 A
2278(the)S
(count)223 2428 A
2678(becomes)S
3057(zero.)S
3308(The)S
3492(last)S
3659(block)S
3909(must)S
4132(be)S
4255(larger)S
4519(than)S
4720(the)S
4871(minimum)S
5952 V
1080(of)S
1189(course.)S
1527((This)S
1765(minimum)S
2180(is)S
2272(often)S
2504(as)S
2613(small)S
2856(as)S
2965(1)S
3040(byte,)S
3263(as)S
3372(for)S
3515(the)S
3663(Exabyte.))S
6120 V
1080(The)S
10 B
1263(mt)S
1408(blksize)S
10 R
1732(command)S
2155(may)S
2355(be)S
2477(used)S
2688(to)S
2793(select)S
3050(a)S
3122(256xed)S
3350(block)S
3600(size)S
3784(for)S
3929(a)S
4001(variable)S
4353(block)S
4603(sized)S
4837(tape.)S
5082(This)S
6240 V
(will)157 1080 A
1266(speed)S
1524(up)S
1653(I/O)S
1817(considerably)S
2360(for)S
2507(small)S
2753(block)S
3004(sizes.)S
3278((Some)S
3569(systems)S
3915(can)S
4083(only)S
4289(use)S
4451(256xed)S
4680(mode)S
4931(and)S
(will)157 5104 A
6360 V
1080(write)S
1313(an)S
1433(Exabyte)S
1788(tape)S
1981(with)S
(1024)200 2185 A
2410(byte)S
2608(blocks,)S
2920(which)S
3191(read)S
3390(very)S
3594(slow)S
3809(in)S
3912(variable)S
4262(mode.))S
6528 V
1080(A)S
1185(tape)S
1385(is)S
1484(a)S
1561(sequence)S
1962(of)S
2078(blocks)S
2372(and)S
2549(256lemarks.)S
3006(A)S
3111(tape)S
3311(may)S
3516(be)S
3643(opened)S
3965(and)S
4142(blocks)S
4436(may)S
4641(be)S
4769(read)S
4976(from)S
5205(it)S
6648 V
1080(upto)S
1286(a)S
1359(256lemark,)S
1748(after)S
1962(that)S
2141(all)S
2270(further)S
2573(reads)S
2814(return)S
3083(0.)S
3211(After)S
3453(the)S
3604(tape)S
3800(is)S
3895(closed)S
4180(and)S
4352(reopened)S
4748(one)S
4920(can)S
5087(read)S
6768 V
1080(the)S
1241(blocks)S
1541(following)S
1970(the)S
2131(256lemark)S
2505(if)S
2605(using)S
2860(a)S
(non-rewinding)592 2943 A
3574(device.)S
3926(This)S
4144(makes)S
4440(the)S
4602(tape)S
(look)178 4809 A
5026(like)S
5216(a)S
6888 V
1080(sequence)S
1474(of)S
1583(256les.)S
7056 V
1080(If)S
1186(a)S
1269(tape)S
1475(has)S
1647(been)S
(written)286 1875 A
2199(to)S
2315(or)S
2437(opened)S
2765(in)S
2881(write-only)S
3339(mode,)S
3625(then)S
3836(a)S
3919(256lemark)S
4293(is)S
(written)286 4399 A
4724(if)S
4825(the)S
4987(tape)S
5194(is)S
7176 V
1080(closed)S
1368(or)S
1483(if)S
1576(a)S
(space)224 1652 A
1907(command)S
2334(is)S
2432(issued.)S
2764(No)S
2918(extra)S
3151(256lemark)S
3518(is)S
(written)286 3616 A
3933(if)S
4026(the)S
4180(drive)S
4418(is)S
4516(instructed)S
4944(to)S
5053(write)S
7296 V
1080(256lemarks.)S
7903 V
720(Page)S
941(1)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
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/slant 0 def
/height 0 def
480 V
10 R
720(SD)S
857(()S
899(4)S
957())S
2696(Eighth)S
(Edition)296 2989 A
4990(SD)S
5127(()S
5169(4)S
5227())S
960 V
870(R)S
872(Ra)S
941(aw)S
988(w)S
1104(G)S
1106(Ge)S
1181(en)S
1228(ne)S
1280(er)S
1327(ri)S
1363(ic)S
1393(c)S
1481(D)S
1483(De)S
1558(ev)S
1605(vi)S
1657(ic)S
1687(ce)S
1734(es)S
1781(s)S
1080 V
1080(Under)S
1363(Minix-vmd)S
1851(one)S
2027(can)S
2198(use)S
2363(the)S
2517(generic)S
2846(SCSI)S
3091(devices)S
3425(to)S
3535(program)S
3908(a)S
3985(SCSI)S
4230(device)S
4525(entirely)S
4865(from)S
5093(user)S
1200 V
1080(mode.)S
1389(The)S
1582(disk)S
1785(and)S
1966(tape)S
2170(devices)S
2508(probe)S
2773(for)S
2927(devices)S
3265(when)S
3519(opened,)S
3870(start)S
4079(disks)S
4320(and)S
4500(load)S
4708(tapes,)S
4975(but)S
5138(the)S
1320 V
1080(generic)S
1403(devices)S
1731(do)S
1857(nothing)S
2189(of)S
2299(this.)S
2520(Given)S
2792(an)S
2914(open)S
3136(256le)S
3292(descriptor)S
3722(to)S
3827(any)S
3999(SCSI)S
4239(character)S
4637(device)S
4927((not)S
5116(just)S
1440 V
1080(the)S
1228(generic)S
1550(devices))S
1911(one)S
2081(can)S
2246(use)S
2405(the)S
2553(following)S
(ioctl:)207 2969 A
1608 V
1440(ioctl(fd,)S
1787(SCIOCCMD,)S
2363(&scsicmd))S
1776 V
1080(The)S
1262(structure)S
1640(whose)S
1922(address)S
2249(is)S
2341(passed)S
2634(as)S
2743(the)S
2891(third)S
3106(argument)S
3511(is)S
3603(de256ned)S
3924(in)S
4027(<sys/scsi.h>)S
4548(as)S
4657(follows:)S
1944 V
1440(struct)S
1689(scsicmd)S
2038({)S
2064 V
1800(void)S
2160(*cmd;)S
2184 V
1800(size_t)S
2160(cmdlen;)S
2304 V
1800(void)S
(*buf;)212 2160 A
2424 V
1800(size_t)S
2160(bu257en;)S
2544 V
1800(void)S
2160(*sense;)S
2664 V
1800(size_t)S
2160(senselen;)S
2784 V
1800(int)S
2160(dir;)S
2904 V
1440(};)S
3072 V
10 B
1080(Cmd)S
10 R
1325(and)S
10 B
1502(cmdlen)S
10 R
1848(hold)S
2058(the)S
2213(address)S
2547(and)S
2724(length)S
3007(of)S
3123(an)S
3250(object)S
3528(holding)S
3867(a)S
(Group)257 3945 A
4235(0)S
4318(or)S
(Group)257 4435 A
4725(1)S
4808(SCSI)S
5054(com-)S
3192 V
1080(mand.)S
1379(The)S
1562(next)S
1761(two)S
1938(256elds)S
2182(describe)S
2544(a)S
2615(buffer)S
2888(of)S
2998(at)S
3097(most)S
3318(8)S
(kilobytes)368 3394 A
3788(used)S
3998(in)S
4102(the)S
4251(data)S
4445(in)S
4549(or)S
4658(out)S
4811(phase.)S
10 B
5115(Dir)S
3312 V
10 R
1080(is)S
1172(0)S
1247(if)S
1335(data)S
1529(is)S
1622(to)S
1726(be)S
1847(read)S
2047(from)S
2269(the)S
2418(device,)S
2732(1)S
2808(if)S
2896(data)S
3090(is)S
(written)286 3183 A
3495(to)S
3599(the)S
3748(device.)S
4087(If)S
4181(the)S
4330(ioctl)S
(succeeds)358 4535 A
4919(then)S
5118(0)S
5194(is)S
3432 V
1080(returned,)S
1467(otherwise)S
1885(-1)S
1995(with)S
10 B
(errno)241 2200 A
10 R
2467(set)S
2605(to)S
10 B
2709(EIO)S
10 R
2919(and)S
3090(the)S
3239(request)S
3556(sense)S
3800(info)S
3988(returned)S
4350(in)S
4454(the)S
4603(buffer)S
4875(described)S
3552 V
1080(by)S
1213(the)S
1369(sense)S
1620(and)S
1798(senselen)S
2172(256elds.)S
2473(If)S
2574(the)S
2730(sense)S
2981(key)S
3160(is)S
3261(zero)S
3469(on)S
3603(error)S
3834(then)S
4041(a)S
4120(host)S
4321(adapter)S
4652(error)S
4883(occurred,)S
3672 V
1080(this)S
1250(means)S
1532(that)S
1708(the)S
1856(device)S
2144(is)S
2236(most)S
2456(likely)S
2710(turned)S
2992(off)S
3135(or)S
3244(not)S
3397(present.)S
3840 V
9 R
720(F)S
722(FI)S
774(IL)S
807(LE)S
865(ES)S
923(S)S
3960 V
10 R
1080(/dev/sd[0)S
10 R-1
1454(-)S
10 R
1511(9],)S
1645(/dev/sd[1)S
10 R-1
2019(-)S
10 R
2076(46)S
10 R-1
2176(-)S
10 R
2233(9][a)S
10 R-1
2396(-)S
10 R
2453(d])S
3080(Usual)S
3340(disk)S
3532(devices.)S
4128 V
1080(/dev/rst4,)S
1482(/dev/nrst4)S
3080(Usual)S
3340(tape)S
3533(device.)S
4296 V
1080(/dev/rsg[0)S
10 R-1
1488(-)S
10 R
1545(7])S
3080(Raw)S
3290(generic)S
3612(devices.)S
4464 V
9 R
720(S)S
722(SE)S
774(EE)S
832(E)S
913(A)S
915(AL)S
983(LS)S
1041(SO)S
1093(O)S
4584 V
10 B
1080(hd)S
10 R
1192((4),)S
10 B
1360(mt)S
10 R
1478((1),)S
10 B
1646(eject)S
10 R
1849((1),)S
10 B
2017(mtio)S
10 R
2213((4),)S
10 B
2381(dd)S
10 R
2493((1).)S
4752 V
9 R
720(A)S
722(AU)S
790(UT)S
858(TH)S
916(HO)S
984(OR)S
1052(R)S
4872 V
10 R
1080(Kees)S
1307(J.)S
1396(Bot)S
1566((kjb@cs.vu.nl))S
7903 V
720(September)S
1176(17,)S
(1996)200 1326 A
4990(Page)S
5211(2)S
8143 V
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/slant 0 def
/height 0 def
480 V
10 R
720(TTY)S
925(()S
967(4)S
1025())S
2696(Eighth)S
(Edition)296 2989 A
4922(TTY)S
5127(()S
5169(4)S
5227())S
960 V
9 R
720(N)S
722(NA)S
790(AM)S
858(ME)S
940(E)S
1080 V
10 R
1080(tty,)S
1236(termios)S
10 R-1
1563(-)S
10 R
1645(terminals)S
1248 V
9 R
720(D)S
722(DE)S
790(ES)S
848(SC)S
900(CR)S
962(RI)S
1024(IP)S
1057(PT)S
1109(TI)S
1167(IO)S
1200(ON)S
1268(N)S
1368 V
10 R
1080(The)S
10 B
1266(tty)S
10 R
1413(driver)S
1683(family)S
1975(takes)S
2212(care)S
2411(of)S
2525(all)S
2656(user)S
(input)206 2854 A
3090(and)S
3265(output.)S
3601(It)S
(governs)318 3693 A
4041(the)S
(keyboard,)399 4194 A
4623(the)S
4776(console,)S
5138(the)S
1488 V
1080(serial)S
1334(lines,)S
1584(and)S
(pseudo)284 1764 A
2083(ttys.)S
(Input)212 2313 A
2560(on)S
2694(any)S
2873(of)S
2991(these)S
3232(devices)S
(undergoes)413 3568 A
("input)247 4015 A
4296(processing",)S
4826(and)S
5005(output)S
1608 V
(undergoes)413 1080 A
1518("output)S
1840(processing")S
(according)397 2336 A
2758(to)S
2861(the)S
3009(standard)S
3375(termios)S
3702(terminal)S
(interface.)379 4063 A
1776 V
870(I)S
872(In)S
908(np)S
960(pu)S
1012(ut)S
1064(t)S
1119(p)S
1121(pr)S
1173(ro)S
1209(oc)S
1261(ce)S
1308(es)S
1355(ss)S
1396(si)S
1437(in)S
1467(ng)S
1519(g)S
1896 V
1080(Each)S
1318(terminal)S
1690(device)S
1989(has)S
2159(an)S
(input)206 2290 A
2532(queue.)S
2858(This)S
3073(queue)S
3349(is)S
3452(used)S
3672(to)S
3787(store)S
4020(preprocessed)S
(input)206 4583 A
4826(characters,)S
2016 V
1080(and)S
1256(to)S
1365(perform)S
1721(the)S
1875(backspacing)S
2403(and)S
2579(erase)S
2818(functions.)S
3273(Some)S
3533(special)S
3844(characters)S
4285(like)S
4466(a)S
4541(newline)S
4890(make)S
5138(the)S
2136 V
1080(contents)S
1444(of)S
1557(the)S
1709(queue)S
1978(available)S
2371(to)S
2478(a)S
2552(process)S
2883(reading)S
3214(from)S
3439(the)S
3591(terminal.)S
4007(Characters)S
4469(up)S
4599(to)S
4707(and)S
4882(including)S
2256 V
1080(the)S
1231(newline,)S
1603(or)S
1715(another)S
2045(so-called)S
2437("line)S
2656(break",)S
2973(may)S
3173(be)S
3295(read)S
3496(by)S
3623(a)S
3695(process.)S
4074(The)S
4258(process)S
4587(need)S
4804(not)S
4959(read)S
5160(all)S
2376 V
1080(characters)S
1523(at)S
1629(once.)S
1902(An)S
(input)206 2058 A
2297(line)S
2481(may)S
2687(be)S
2815(read)S
3022(byte)S
3228(by)S
3362(byte)S
3569(if)S
3665(one)S
3844(wants)S
4113(to.)S
4275(A)S
4382(line)S
4567(break)S
4825(just)S
5004(makes)S
2496 V
1080(characters)S
1515(available)S
1904(for)S
2047(reading,)S
2399(thats)S
2614(all.)S
2664 V
1080(When)S
1358(data)S
1564(is)S
1669(made)S
1925(available)S
2327(depends)S
2694(on)S
2832(whether)S
3195(the)S
3357(tty)S
3502(is)S
3608(in)S
(canonical)386 3725 A
4150(mode)S
4412(or)S
4535(not.)S
4752(In)S
(canonical)386 4875 A
2784 V
1080(mode)S
1331(the)S
1482(terminal)S
1845(processes)S
(input)206 2258 A
2491(line)S
2669(by)S
2796(line.)S
3024(A)S
3124(line)S
3302(ends)S
3513(with)S
3719(a)S
3791(newline)S
4137(()S
10 B
4171(NL)S
10 R
4311(),)S
4397(end-of-256le)S
4850(()S
10 B
4884(EOF)S
10 R
5091(),)S
5177(or)S
2904 V
1080(end-of-line)S
1554(()S
10 B
1588(EOL)S
10 R
1800().)S
1910(Characters)S
2369(that)S
2547(have)S
2764(not)S
2919(been)S
3136(delimited)S
3543(by)S
3670(such)S
3881(a)S
3953(line)S
4131(break)S
4382(may)S
4582(be)S
4704(erased)S
4989(one)S
5161(by)S
3024 V
1080(one)S
1255(with)S
1464(the)S
10 B
1617(ERASE)S
10 R
1983(character)S
2384(or)S
2498(all)S
2629(at)S
2732(once)S
2951(with)S
3159(the)S
10 B
3311(KILL)S
10 R
3591(character.)S
4041(Once)S
4283(a)S
4357(line)S
4537(break)S
4790(is)S
4886(typed)S
5138(the)S
3144 V
1080(characters)S
1529(become)S
1881(available)S
2285(to)S
2403(a)S
2488(reading)S
2830(process)S
3172(and)S
3357(can)S
3537(no)S
(longer)257 3677 A
3974(be)S
4109(erased.)S
4457(Once)S
4710(read)S
4924(they)S
5137(are)S
3264 V
1080(removed)S
1459(from)S
1682(the)S
(input)206 1832 A
2065(queue.)S
2382(Several)S
2712(lines)S
2929(may)S
3129(be)S
3251(gathered)S
3625(in)S
3730(the)S
(input)206 3880 A
4113(queue)S
4380(if)S
4469(no)S
4596(reader)S
4876(is)S
4970(present)S
3384 V
1080(to)S
1191(read)S
1398(them,)S
1657(but)S
1818(a)S
1896(new)S
2097(reader)S
(will)157 2383 A
2573(only)S
(receive)292 2784 A
3109(one)S
3287(line.)S
3521(Two)S
3739(line)S
3923(breaks)S
4219(are)S
4376(never)S
4634(returned)S
5004(in)S
5116(one)S
3504 V
1080(read)S
1281(call.)S
1504(The)S
(input)206 1688 A
1921(queue)S
2188(has)S
2349(a)S
2421(maximum)S
2855(length)S
3133(of)S
10 B
(MAX_CANON)661 3244 A
10 R
3932(characters.)S
4419(Any)S
4618(more)S
4851(characters)S
3624 V
1080(are)S
1243(discarded.)S
1718(One)S
1925(must)S
2159(use)S
10 B
2332(ERASE)S
10 R
2707(or)S
10 B
2830(KILL)S
10 R
3120(to)S
3237(make)S
3494(the)S
3656(terminal)S
4031(functioning)S
4533(again)S
4790(if)S
4892(the)S
(input)206 5055 A
3744 V
1080(queue)S
1353(256lls)S
1537(up.)S
1720(If)S
(nonblocking)501 1821 A
2355(I/O)S
2523(is)S
2623(set)S
2768(then)S
10 R-1
2974(-)S
10 R
3031(1)S
3114(is)S
3214(returned)S
3583(with)S
10 B
(errno)241 3795 A
10 R
4069(set)S
4214(to)S
10 B
4324(EAGAIN)S
10 R
4759(if)S
4853(the)S
5008(reader)S
3864 V
1080(would)S
1356(otherwise)S
1773(be)S
1893(blocked.)S
4032 V
1080(In)S
(non-canonical)570 1197 A
1800(mode)S
2057((raw)S
2277(mode)S
2534(for)S
2686(short))S
2955(all)S
3090(characters)S
3534(are)S
3692(immediately)S
4229(available)S
4627(to)S
4739(the)S
4896(reader)S
5183(in)S
4152 V
1080(principle.)S
1524(One)S
1728(may)S
1937(however)S
2319(tune)S
2527(the)S
2685(terminal)S
3056(to)S
3169(bursty)S
(input)206 3455 A
3696(with)S
3910(the)S
10 B
4068(MIN)S
10 R
4310(and)S
10 B
4490(TIME)S
10 R
4793(parameters,)S
4272 V
1080(see)S
1238(the)S
1390(raw)S
1572(I/O)S
1737(parameters)S
2210(section)S
2525(below.)S
2851(In)S
2965(raw)S
3147(mode)S
3400(no)S
3530(characters)S
3970(are)S
4124(discarded)S
4540(if)S
4632(the)S
(input)206 4785 A
5021(queue)S
4392 V
1080(threatens)S
1469(to)S
1572(over257ow)S
1955(if)S
2042(the)S
2190(device)S
(supports)340 2478 A
2843(257ow)S
3047(control.)S
4560 V
870(O)S
872(Ou)S
947(ut)S
999(tp)S
1029(pu)S
1081(ut)S
1133(t)S
1188(p)S
1190(pr)S
1242(ro)S
1278(oc)S
1330(ce)S
1377(es)S
1424(ss)S
1465(si)S
1506(in)S
1536(ng)S
1588(g)S
4680 V
1080(Characters)S
(written)286 1537 A
1848(to)S
1951(a)S
2021(terminal)S
2382(device)S
2670(may)S
(undergo)329 2868 A
3223(output)S
3505(processing,)S
3986(which)S
4258(is)S
4351(usually)S
4667(just)S
4838(inserting)S
5216(a)S
4800 V
1080(carriage)S
1436(returns)S
1745(before)S
2032(newlines.)S
2469(A)S
2571(writer)S
2842(may)S
3044(return)S
3314(before)S
3601(all)S
3731(characters)S
4170(are)S
4323(output)S
4608(if)S
4699(the)S
4851(characters)S
4920 V
1080(can)S
1253(be)S
1381(stored)S
1660(in)S
1771(the)S
1927(output)S
2216(buffers.)S
2585(If)S
2686(not)S
2847(then)S
3053(the)S
3209(writer)S
3484(may)S
3690(be)S
3818(blocked)S
(until)184 4169 A
(space)224 4386 A
4644(is)S
4745(available.)S
5193(If)S
5040 V
(non-blocking)535 1080 A
1642(I/O)S
1804(is)S
1898(set)S
2037(then)S
2236(only)S
2440(the)S
(count)223 2589 A
2838(of)S
2948(the)S
3097(number)S
3430(of)S
3540(bytes)S
3778(that)S
3955(can)S
4121(be)S
4242(processed)S
4665(immediately)S
5194(is)S
5160 V
1080(returned.)S
1491(If)S
1584(no)S
1709(characters)S
2144(can)S
2309(be)S
(written)286 2429 A
2740(at)S
2838(all)S
2964(then)S
10 R-1
3162(-)S
10 R
3219(1)S
3294(is)S
3386(returned)S
3747(with)S
10 B
(errno)241 3951 A
10 R
4217(set)S
4354(to)S
10 B
4457(EAGAIN)S
10 R
4860(.)S
5328 V
870(S)S
872(Sp)S
930(pe)S
982(ec)S
1029(ci)S
1076(ia)S
1106(al)S
1153(l)S
1208(c)S
1210(ch)S
1257(ha)S
1309(ar)S
1356(ra)S
1392(ac)S
1439(ct)S
1486(te)S
1516(er)S
1563(rs)S
1599(s)S
5448 V
1080(Some)S
1345(characters)S
1791(have)S
2017(special)S
2333(functions)S
2743(in)S
2857(some)S
3105(of)S
3226(the)S
3386(terminal)S
3759(modes.)S
4108(These)S
4386(characters)S
4833(are)S
4994(as)S
5115(fol-)S
5568 V
1080(lows,)S
1320(with)S
1524(the)S
1672(Minix)S
1942(defaults)S
2286(shown)S
2573(in)S
2676(parentheses:)S
5736 V
10 B
1080(INTR)S
10 R
1357((303?))S
5856 V
1330(Special)S
(input)206 1657 A
1893(character)S
2294(that)S
2475(is)S
(recognized)442 2573 A
3046(if)S
10 B
3139(ISIG)S
10 R
3382(is)S
3480(set.)S
3673((For)S
10 B
3878(ISIG)S
10 R
4121(and)S
4297(other)S
4535(257ags)S
4756(see)S
4916(the)S
5070(vari-)S
5976 V
1330(ous)S
1498(modes)S
1788(sections)S
2140(below.))S
2498(It)S
2588(causes)S
2879(a)S
10 B
2952(SIGINT)S
10 R
3332(signal)S
3600(to)S
3706(be)S
3829(sent)S
4019(to)S
4125(all)S
4254(processes)S
4668(in)S
4774(the)S
4925(terminal)S
6096 V
1330(process)S
(group.)259 1657 A
1966((See)S
2171(the)S
2319(section)S
2629(on)S
2754(session)S
3069(leaders)S
3380(below.))S
6264 V
10 B
1080(QUIT)S
10 R
1362((303\))S
6384 V
1330(Special)S
(input)206 1657 A
1893(character)S
2294(if)S
10 B
2386(ISIG)S
10 R
2628(is)S
2725(set.)S
2917(Causes)S
3232(a)S
10 B
3307(SIGQUIT)S
10 R
3767(signal)S
4037(to)S
4145(be)S
4270(sent)S
4463(to)S
4572(the)S
4726(terminal)S
5093(pro-)S
6504 V
1330(cess)S
(group.)259 1523 A
6672 V
10 B
1080(ERASE)S
10 R
1441((303H))S
6792 V
1330(Special)S
(input)206 1652 A
1883(character)S
2279(if)S
10 B
(ICANON)409 2366 A
10 R
2800(is)S
2892(set.)S
3079(Erases)S
3368(the)S
3516(last)S
3681(character)S
4077(in)S
4180(the)S
4328(current)S
4639(line.)S
6960 V
10 B
1080(KILL)S
10 R
1356((303U))S
7080 V
1330(Special)S
(input)206 1652 A
1883(character)S
2279(if)S
10 B
(ICANON)409 2366 A
10 R
2800(is)S
2892(set.)S
3079(Erases)S
3368(the)S
3516(entire)S
3771(line.)S
7248 V
10 B
1080(EOF)S
10 R
1312((303D))S
7368 V
1330(Special)S
(input)206 1653 A
1885(character)S
2282(if)S
10 B
(ICANON)409 2370 A
10 R
2805(is)S
2898(set.)S
3086(It)S
3174(is)S
3267(a)S
3338(line)S
3515(break)S
3766(character)S
4164(that)S
4342(is)S
4436(not)S
4591(itself)S
4820(returned)S
5183(to)S
7488 V
1330(a)S
1401(reader.)S
1730(If)S
1824(EOF)S
2041(is)S
2134(typed)S
2383(with)S
2588(no)S
(input)206 2714 A
2946(present)S
3263(then)S
3462(the)S
3611(read)S
3810(returns)S
4115(zero,)S
4339(which)S
4610(normally)S
4998(causes)S
7903 V
720(Page)S
941(1)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
EP
%%Page: 2 27
BP
/slant 0 def
/height 0 def
480 V
10 R
720(TTY)S
925(()S
967(4)S
1025())S
2696(Eighth)S
(Edition)296 2989 A
4922(TTY)S
5127(()S
5169(4)S
5227())S
960 V
1330(the)S
1478(reader)S
1756(to)S
1859(assume)S
2180(that)S
2356(end-of-256le)S
2807(is)S
(reached.)339 2899 A
1128 V
10 B
1080(CR)S
10 R
1251((303M))S
1248 V
1330(Special)S
(input)206 1660 A
1899(character)S
2303(if)S
10 B
(IGNCR)336 2398 A
10 R
2767(or)S
10 B
(ICRNL)325 2884 A
10 R
3242(is)S
3342(set.)S
3537(It)S
3632(is)S
3732(a)S
3810(carriage)S
4169(return)S
(('\r').)223 4443 A
4724(If)S
10 B
(IGNCR)336 4825 A
10 R
5194(is)S
1368 V
1330(set)S
1469(then)S
10 B
1669(CR)S
10 R
1842(is)S
1936(discarded.)S
2399(If)S
10 B
(ICRNL)325 2493 A
10 R
2844(is)S
2937(set)S
3075(and)S
10 B
(IGNCR)336 3246 A
10 R
3608(is)S
3701(not)S
3855(set)S
3993(then)S
10 B
4192(CR)S
10 R
4364(is)S
4457(changed)S
4818(into)S
5000(an)S
10 B
5121(NL)S
1488 V
10 R
1330(and)S
1500(has)S
1659(the)S
1807(same)S
2039(function)S
2399(as)S
10 B
2508(NL.)S
1656 V
1080(NL)S
10 R
1245((303J))S
1776 V
1330(Special)S
(input)206 1652 A
1883(character)S
2279(if)S
10 B
(ICANON)409 2366 A
10 R
2800(is)S
2892(set.)S
3079(It)S
3166(is)S
3258(both)S
3461(a)S
3531(newline)S
3875(('\n'))S
4114(and)S
4284(a)S
4354(line)S
4530(break.)S
1896 V
1330(Special)S
1658(output)S
1945(character)S
2347(if)S
10 B
2440(OPOST)S
10 R
2812(and)S
10 B
2988(ONLCR)S
10 R
3383(are)S
3539(set.)S
3733(A)S
10 B
3838(CR)S
4016(NL)S
10 R
4188(sequence)S
4589(is)S
4688(output)S
4976(instead)S
2016 V
1330(of)S
1439(just)S
10 B
1609(NL)S
10 R
1749(.)S
1824((Minix)S
2128(speci256c,)S
2486(but)S
2639(almost)S
2932(mandatory)S
3387(on)S
3512(any)S
3682(UNIX-like)S
4145(system.))S
2184 V
10 B
1080(TAB)S
10 R
((303I))136 1312 A
2304 V
1330(Special)S
1655(character)S
2054(on)S
2182(output)S
2466(if)S
10 B
2556(OPOST)S
10 R
2925(and)S
10 B
3098(XTABS)S
10 R
3462(are)S
3614(set.)S
3804(It)S
3894(is)S
3989(transformed)S
4504(into)S
4689(the)S
4841(number)S
5177(of)S
2424 V
(spaces)263 1330 A
(necessary)392 1624 A
2047(to)S
(reach)219 2156 A
2406(a)S
2482(column)S
(position)323 2814 A
3168(that)S
3350(is)S
3448(a)S
(multiple)335 3524 A
3890(of)S
4005(eight.)S
4286((Only)S
4551(needed)S
4866(for)S
5014(termi-)S
2544 V
1330(nals)S
(without)307 1517 A
1849(hardware)S
2250(tabs.))S
2712 V
10 B
1080(EOL)S
10 R
((undefined))470 1317 A
2832 V
1330(Special)S
(input)206 1652 A
1883(character)S
2279(if)S
10 B
(ICANON)409 2366 A
10 R
2800(is)S
2892(set.)S
3079(It)S
3166(is)S
3258(an)S
(additional)402 3378 A
3805(line)S
3981(break.)S
3000 V
10 B
1080(SUSP)S
10 R
1352((303Z))S
3120 V
1330(Special)S
(input)206 1655 A
1889(character)S
2288(if)S
2378(job)S
2534(control)S
2847(is)S
2943(implemented)S
3497(and)S
10 B
3671(ISIG)S
10 R
3912(is)S
4008(set.)S
4199(It)S
4290(causes)S
4582(a)S
10 B
4656(SIGTSTP)S
10 R
5110(sig-)S
3240 V
1330(nal)S
1478(to)S
1581(be)S
1701(send)S
1910(to)S
2013(the)S
2161(terminal)S
2522(process)S
(group.)259 2849 A
3158((Minix)S
3462(does)S
3671(not)S
3824(have)S
4039(job)S
4192(control.))S
3408 V
10 B
1080(STOP)S
10 R
1368((303S))S
3528 V
1330(Special)S
(input)206 1652 A
1883(character)S
2279(if)S
10 B
2366(IXON)S
10 R
2654(is)S
2746(set.)S
2933(It)S
3020(suspends)S
3407(terminal)S
3768(output)S
4049(and)S
4219(is)S
4311(then)S
4509(discarded.)S
3696 V
10 B
1080(START)S
10 R
1441((303Q))S
3816 V
1330(Special)S
1662(output)S
1953(character)S
2359(if)S
10 B
2456(IXON)S
10 R
2754(is)S
2856(set.)S
3054(It)S
3152(starts)S
3401(terminal)S
3773(output)S
4065(if)S
4163(suspended)S
4617(and)S
4798(is)S
4901(then)S
5110(dis-)S
3936 V
1330(carded.)S
1675(If)S
10 B
(IXANY)331 1769 A
10 R
2126(is)S
2219(also)S
2407(set)S
2545(then)S
2743(any)S
2913(other)S
3145(character)S
3541(also)S
3728(starts)S
3966(terminal)S
4327(output,)S
4633(but)S
4786(they)S
4984(are)S
5133(not)S
4056 V
1330(discarded.)S
4224 V
10 B
1080(REPRINT)S
10 R
1559((303R))S
4344 V
1330(Special)S
(input)206 1661 A
1901(character)S
2306(if)S
10 B
2402(IEXTEN)S
10 R
2822(and)S
10 B
3001(ECHO)S
10 R
3331(are)S
3489(set.)S
3685(Reprints)S
4060(the)S
(input)206 4217 A
4457(queue)S
4732(from)S
4963(the)S
5121(last)S
4464 V
1330(line)S
1507(break)S
1757(onwards.)S
2174(A)S
2273(reprint)S
2568(also)S
2756(happens)S
3111(automatically)S
3685(if)S
3773(the)S
3922(echoed)S
(input)206 4233 A
4465(has)S
4625(been)S
4840(messed)S
5161(up)S
4584 V
1330(by)S
1455(other)S
1687(output)S
1968(and)S
10 B
2138(ERASE)S
10 R
2499(is)S
2591(typed.)S
4752 V
10 B
1080(LNEXT)S
10 R
1452((303V))S
4872 V
1330(Special)S
(input)206 1661 A
1901(character)S
2306(if)S
10 B
2402(IEXTEN)S
10 R
2823(is)S
2925(set.)S
3122(It)S
3219(is)S
3321(the)S
("literal)277 3479 A
3791(next")S
4040(character)S
4446(that)S
4632(causes)S
4930(the)S
5088(next)S
4992 V
1330(character)S
1726(to)S
1829(be)S
(input)206 1949 A
(without)307 2180 A
2512(any)S
2682(special)S
2987(processing.)S
5160 V
10 B
(DISCARD)460 1080 A
10 R
1565((303O))S
5280 V
1330(Special)S
(input)206 1658 A
1895(character)S
2297(if)S
10 B
2390(IEXTEN)S
10 R
2807(is)S
2906(set.)S
3100(Causes)S
3417(output)S
3705(to)S
3815(be)S
3942(discarded)S
(until)184 4360 A
4576(it)S
4664(is)S
4763(typed)S
5018(again.)S
5400 V
1330((Implemented)S
1920(only)S
(under)229 2123 A
2377(Minix-vmd.))S
5568 V
1080(All)S
1240(of)S
1355(these)S
1593(characters)S
2034(except)S
10 B
2328(CR)S
10 R
2474(,)S
10 B
2530(NL)S
10 R
2701(and)S
10 B
2877(TAB)S
10 R
3115(may)S
3319(be)S
3445(changed)S
3811(or)S
3926(disabled)S
(under)229 4293 A
4554(Minix.)S
4881((Changes)S
5688 V
1080(to)S
10 B
1200(START)S
10 R
1578(and)S
10 B
1765(STOP)S
10 R
2069(may)S
2283(be)S
(ignored)307 2419 A
(under)229 2767 A
3037(other)S
3285(termios)S
3628(implementations.))S
4423(The)S
10 B
4621(REPRINT)S
10 R
5116(and)S
5808 V
10 B
1080(LNEXT)S
10 R
1452(characters)S
1887(are)S
2037(Minix)S
2308(extensions)S
2758(that)S
2935(are)S
3085(commonly)S
3540(present)S
3857(in)S
3961(other)S
4194(implementations.)S
8 R
4935(POSIX)S
10 R
5194(is)S
5928 V
1080(unclear)S
1405(on)S
1533(whether)S
10 B
1886(IEXTEN,)S
(IGNCR)336 2325 A
10 R
2689(and)S
10 B
(ICRNL)325 2862 A
10 R
(should)267 3215 A
3510(be)S
3632(active)S
3900(in)S
(non-canonical)570 4005 A
4602(mode,)S
4877(but)S
(under)229 5032 A
6048 V
1080(Minix)S
1350(they)S
1548(are.)S
6216 V
870(T)S
872(Te)S
936(er)S
983(rm)S
1019(mi)S
1099(in)S
1129(na)S
1181(al)S
1228(l)S
1283(a)S
1285(at)S
1332(tt)S
1362(tr)S
1392(ri)S
1428(ib)S
1458(bu)S
1510(ut)S
1562(te)S
1592(es)S
1639(s)S
6336 V
1080(The)S
1267(attributes)S
1672(of)S
1786(a)S
1861(terminal,)S
2252(such)S
2466(as)S
2581(whether)S
2937(the)S
3091(mode)S
(should)267 3345 A
3643(be)S
(canonical)386 3769 A
4186(or)S
(non-canonical,)595 4301 A
4927(are)S
5082(con-)S
6456 V
1080(trolled)S
1368(by)S
1493(routines)S
1842(that)S
2018(use)S
2177(the)S
10 B
2325(termios)S
10 R
2675(structure)S
3053(as)S
3162(de256ned)S
3483(in)S
10 B
3586(<termios.h>)S
10 R
4106(:)S
6624 V
1440(struct)S
1689(termios)S
2016({)S
6744 V
1640(tc257ag_t)S
2140(c_i257ag;)S
2890(/*)S
(input)206 2993 A
3224(modes)S
3511(*/)S
6864 V
1640(tc257ag_t)S
2140(c_o257ag;)S
2890(/*)S
2993(output)S
3274(modes)S
3561(*/)S
6984 V
1640(tc257ag_t)S
2140(c_c257ag;)S
2890(/*)S
2993(control)S
3303(modes)S
3590(*/)S
7104 V
1640(tc257ag_t)S
2140(c_l257ag;)S
2890(/*)S
2993(local)S
3214(modes)S
3501(*/)S
7224 V
1640(speed_t)S
2140(c_ispeed;)S
2890(/*)S
(input)206 2993 A
3224(speed)S
3478(*/)S
7344 V
1640(speed_t)S
2140(c_ospeed;)S
2890(/*)S
2993(output)S
3274(speed)S
3528(*/)S
7464 V
1640(cc_t)S
2140(c_cc[NCCS];)S
2890(/*)S
2993(control)S
3303(characters)S
3738(*/)S
7903 V
720(September)S
1176(17,)S
(1996)200 1326 A
4990(Page)S
5211(2)S
8143 V
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/slant 0 def
/height 0 def
480 V
10 R
720(TTY)S
925(()S
967(4)S
1025())S
2696(Eighth)S
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4922(TTY)S
5127(()S
5169(4)S
5227())S
960 V
1440(};)S
1128 V
1080(The)S
1262(types)S
10 B
1499(tc257ag)S
10 R
1734(,)S
10 B
1784(speed_t)S
10 R
2134(and)S
10 B
2304(cc_t)S
10 R
2503(are)S
2652(de256ned)S
2973(in)S
10 B
3076(<termios.h>)S
10 R
3621(as)S
3730(unsigned)S
4117(integral)S
4450(types.)S
1296 V
870(I)S
872(In)S
908(np)S
960(pu)S
1012(ut)S
1064(t)S
1119(M)S
1121(Mo)S
1212(od)S
1264(de)S
1316(es)S
1363(s)S
1416 V
1080(The)S
10 B
1262(c_i257ag)S
10 R
1566(256eld)S
1770(contains)S
2130(the)S
2278(following)S
2694(single)S
2959(bit)S
3090(257ags)S
3305(that)S
3481(control)S
(input)206 3791 A
4022(processing:)S
1584 V
10 B
(ICRNL)325 1080 A
1704 V
10 R
1330(Map)S
10 B
1539(CR)S
10 R
1710(to)S
10 B
1813(NL)S
10 R
1978(on)S
(input.)231 2103 A
1872 V
10 B
(IGNCR)336 1080 A
1992 V
10 R
(Ignore)263 1330 A
10 B
1618(CR)S
10 R
1789(on)S
(input.)231 1914 A
2195(This)S
2399(257ag)S
2575(overrides)S
10 B
(ICRNL)325 2975 A
10 R
3300(.)S
2160 V
10 B
1080(INLCR)S
2280 V
10 R
1330(Map)S
10 B
1539(NL)S
10 R
1704(to)S
10 B
1807(CR)S
10 R
1978(on)S
(input.)231 2103 A
2384(This)S
2588(is)S
(done)195 2680 A
2900(after)S
3111(the)S
10 B
(IGNCR)336 3259 A
10 R
3620(check.)S
2448 V
10 B
1080(IXON)S
2568 V
10 R
1330(Enable)S
1635(start/stop)S
2029(output)S
2310(control.)S
2736 V
10 B
1080(IXOFF)S
2856 V
10 R
1330(Enable)S
1635(start/stop)S
(input)206 2029 A
2260(control.)S
2620((Not)S
2830(implemented.))S
3024 V
10 B
(IXANY)331 1080 A
3144 V
10 R
1330(Allow)S
1607(any)S
1777(character)S
2173(to)S
2276(restart)S
2554(output.)S
2885((Minix)S
3189(speci256c.))S
3312 V
10 B
1080(ISTRIP)S
3432 V
10 R
1330(Strip)S
1551(characters)S
1986(to)S
2089(seven)S
2343(bits.)S
3600 V
10 B
1080(IGNPAR)S
3720 V
10 R
(Ignore)263 1330 A
1618(characters)S
2053(with)S
2257(parity)S
2517(errors.)S
2828((Not)S
3038(implemented.))S
3888 V
10 B
1080(INPCK)S
4008 V
10 R
1330(Enable)S
(input)206 1635 A
1866(parity)S
2126(checking.)S
2564((Not)S
2774(implemented.))S
4176 V
10 B
1080(PARMRK)S
4296 V
10 R
1330(Mark)S
1585(parity)S
1857(errors)S
2130(by)S
(preceding)397 2268 A
2703(the)S
2864(faulty)S
3137(character)S
3546(with)S
('\377',)271 3763 A
4072('\0'.)S
4306(The)S
4501(character)S
('\377')246 4910 A
5194(is)S
4416 V
(preceded)364 1330 A
1719(by)S
1844(another)S
('\377')246 2171 A
2442(to)S
2545(avoid)S
2793(ambiguity.)S
3275((Not)S
3485(implemented.))S
4584 V
10 B
1080(BRKINT)S
4704 V
10 R
1330(Send)S
1564(the)S
1720(signal)S
10 B
1993(SIGINT)S
10 R
2378(to)S
2489(the)S
2645(terminal)S
3014(process)S
(group)234 3349 A
3616(when)S
(receiving)375 3867 A
4276(a)S
4355(break)S
(condition.)404 4613 A
5076((Not)S
4824 V
1330(implemented.))S
4992 V
10 B
1080(IGNBRK)S
5112 V
10 R
(Ignore)263 1330 A
1623(break)S
(condition.)404 1877 A
2336(If)S
2434(neither)S
10 B
2744(BRKINT)S
10 R
3171(or)S
10 B
3285(IGNBRK)S
10 R
3723(is)S
3820(set)S
3962(a)S
4038(break)S
4293(is)S
(input)206 4391 A
4628(as)S
4743(a)S
4819(single)S
5090('\0',)S
5232 V
1330(or)S
1439(if)S
10 B
1526(PARMRK)S
10 R
2005(is)S
2097(set)S
2234(as)S
('\377',)271 2343 A
2639('\0',)S
2835('\0'.)S
3056((Breaks)S
3395(are)S
3544(always)S
(ignored.))366 3849 A
5400 V
870(O)S
872(Ou)S
947(ut)S
999(tp)S
1029(pu)S
1081(ut)S
1133(t)S
1188(M)S
1190(Mo)S
1281(od)S
1333(de)S
1385(es)S
1432(s)S
5520 V
1080(The)S
10 B
1262(c_o257ag)S
10 R
1588(256eld)S
1792(contains)S
2152(the)S
2300(following)S
2716(single)S
2981(bit)S
3112(257ags)S
3327(that)S
3503(control)S
3813(output)S
4094(processing:)S
5688 V
10 B
1080(OPOST)S
5808 V
10 R
1440(Perform)S
1810(output)S
2105(processing.)S
2624(This)S
2842(257ag)S
3033(is)S
3140(the)S
3303("main)S
3585(switch")S
3929(on)S
4069(output)S
4365(processing.)S
4885(All)S
5054(other)S
5928 V
1440(257ags)S
1655(are)S
1804(Minix)S
2074(speci256c.)S
6096 V
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1080(ONLCR)S
6216 V
10 R
1440(Transform)S
1902(an)S
10 B
2033(NL)S
10 R
2209(to)S
2323(a)S
10 B
2404(CR)S
2586(NL)S
10 R
2762(sequence)S
3167(on)S
3303(output.)S
3645(Note)S
3877(that)S
4064(a)S
4145(key)S
4326(labeled)S
4654("RETURN")S
5177(or)S
6336 V
1440("ENTER")S
1876(usually)S
2194(sends)S
2445(a)S
10 B
2518(CR)S
10 R
2664(.)S
2742(In)S
2854(line)S
3033(oriented)S
3391(mode)S
3641(this)S
3813(is)S
3907(normally)S
4297(transformed)S
4811(into)S
10 B
4994(NL)S
10 R
5161(by)S
6456 V
10 B
(ICRNL)325 1440 A
10 R
1765(.)S
10 B
1846(NL)S
10 R
2017(is)S
2115(the)S
2269(normal)S
2585(UNIX)S
2870(line)S
3053(delimiter)S
3449(('\n').)S
3745(On)S
3900(output)S
4188(an)S
10 B
4315(NL)S
10 R
4487(is)S
4586(transformed)S
5105(into)S
6576 V
1440(the)S
10 B
1600(CR)S
1782(NL)S
10 R
1958(sequence)S
2363(that)S
2550(is)S
(necessary)392 2653 A
3081(to)S
(reach)219 3195 A
3450(the)S
3609(256rst)S
3802(column)S
4139(of)S
4259(the)S
4418(next)S
4627(line.)S
4864((This)S
5113(is)S
5216(a)S
6696 V
1440(common)S
1819(output)S
2103(processing)S
2561(function)S
2924(for)S
3070(UNIX-like)S
3536(systems,)S
3907(but)S
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4219(always)S
4527(separately)S
4964(switch-)S
6816 V
1440(able)S
1633(by)S
1758(an)S
10 B
1878(ONLCR)S
10 R
2267(257ag.))S
6984 V
10 B
1080(XTABS)S
7104 V
10 R
1440(Transform)S
1902(a)S
10 B
1983(TAB)S
10 R
2226(into)S
2419(the)S
2579(number)S
2923(of)S
(spaces)263 3044 A
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3773(to)S
(reach)219 3888 A
4144(a)S
4226(column)S
(position)323 4564 A
4924(that)S
5112(is)S
5216(a)S
7224 V
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1800(of)S
1909(eight.)S
7392 V
10 B
1080(ONOEOT)S
7512 V
10 R
1440(Discard)S
10 B
1779(EOT)S
10 R
2016((303D))S
2216(characters.)S
2701((Minix-vmd)S
3217(only.))S
7903 V
720(Page)S
941(3)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
EP
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/slant 0 def
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480 V
10 R
720(TTY)S
925(()S
967(4)S
1025())S
2696(Eighth)S
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4922(TTY)S
5127(()S
5169(4)S
5227())S
960 V
870(C)S
872(Co)S
941(on)S
993(nt)S
1045(tr)S
1075(ro)S
1111(ol)S
1163(l)S
1218(M)S
1220(Mo)S
1311(od)S
1363(de)S
1415(es)S
1462(s)S
1080 V
1080(The)S
10 B
1262(c_c257ag)S
10 R
1583(256eld)S
1787(contains)S
2147(the)S
2295(following)S
2711(single)S
2976(bit)S
3107(257ags)S
3322(and)S
3492(bit)S
3623(256eld)S
3827(for)S
3970(basic)S
4202(hardware)S
4603(control:)S
1248 V
10 B
1080(CLOCAL)S
1368 V
10 R
(Ignore)263 1440 A
1728(modem)S
2054(status)S
2308(lines.)S
1536 V
10 B
1080(CREAD)S
1656 V
10 R
1440(Enable)S
(receiver.)351 1745 A
2146((The)S
(receiver)326 2362 A
2713(is)S
2805(always)S
3110(enabled.))S
1824 V
10 B
1080(CSIZE)S
10 R
1440(Number)S
1799(of)S
1912(bits)S
2087(per)S
2246(byte.)S
10 B
2499(CSIZE)S
10 R
2831(masks)S
3112(off)S
3260(the)S
3413(values)S
10 B
3700(CS5)S
10 R
3879(,)S
10 B
3934(CS6)S
10 R
4113(,)S
10 B
4168(CS7)S
10 R
4377(and)S
10 B
4552(CS8)S
10 R
4761(that)S
4942(indicate)S
1944 V
1440(that)S
1616(5,)S
1716(6,)S
1816(7)S
1891(or)S
2000(8)S
2075(bits)S
2245(are)S
2394(used.)S
2112 V
10 B
1080(CSTOPB)S
2232 V
10 R
1440(Send)S
1666(two)S
1842(stop)S
2034(bits)S
2204(instead)S
2514(of)S
2623(one.)S
2843(Two)S
3053(stop)S
3245(bits)S
3415(are)S
3564(normally)S
3952(used)S
4161(at)S
(110)150 4259 A
4434(baud)S
4654(or)S
4763(less.)S
2400 V
10 B
1080(PARENB)S
2520 V
10 R
1440(Enable)S
1745(parity)S
2005(generation.)S
2688 V
10 B
1080(PARODD)S
2808 V
10 R
1440(Generate)S
(odd)150 1830 A
2005(parity)S
2265(if)S
2352(parity)S
2612(is)S
2704(generated,)S
3146(otherwise)S
3563(even)S
3778(parity.)S
2976 V
10 B
1080(HUPCL)S
3096 V
10 R
1440(Drop)S
1672(the)S
1820(modem)S
2146(control)S
2456(lines)S
2671(on)S
2796(the)S
2944(last)S
3109(close)S
3341(of)S
3450(the)S
3598(terminal)S
3959(line.)S
4185((Not)S
4395(implemented.))S
3264 V
870(L)S
872(Lo)S
936(oc)S
988(ca)S
1035(al)S
1082(l)S
1137(M)S
1139(Mo)S
1230(od)S
1282(de)S
1334(es)S
1381(s)S
3384 V
1080(The)S
10 B
1262(c_l257ag)S
10 R
1566(256eld)S
1770(contains)S
2130(the)S
2278(following)S
2694(single)S
2959(bit)S
3090(257ags)S
3305(that)S
3481(control)S
3791(various)S
4112(functions:)S
3552 V
10 B
1080(ECHO)S
10 R
1440(Enable)S
1758(echoing)S
2114(of)S
(input)206 2236 A
2481(characters.)S
2980(Most)S
(input)206 3225 A
3470(characters)S
3919(are)S
4082(echoed)S
4406(as)S
4529(they)S
4741(are.)S
4954(Control)S
3672 V
1440(characters)S
1893(are)S
2060(echoed)S
2388(as)S
10 B
2515(303)S
10 I
2549(X)S
10 R
2654(where)S
10 I
2944(X)S
10 R
3049(is)S
3159(the)S
3324(letter)S
3574(used)S
3800(to)S
3920(say)S
4096(that)S
4289(the)S
4454(control)S
4781(character)S
5194(is)S
3792 V
10 B
1440(CTRL)S
10 B-1
1720(-)S
10 I
1777(X)S
10 R
1839(.)S
1919(The)S
10 B
2106(CR)S
10 R
2252(,)S
10 B
2307(NL)S
10 R
2477(and)S
10 B
2652(TAB)S
10 R
2890(characters)S
3331(are)S
3486(echoed)S
3802(with)S
4012(their)S
4228(normal)S
4544(effect)S
4806(unless)S
5088(they)S
3912 V
1440(are)S
1589(escaped)S
1933(by)S
10 B
2058(LNEXT)S
10 R
2405(.)S
4080 V
10 B
1080(ECHOE)S
4200 V
10 R
1440(If)S
10 B
(ICANON)409 1548 A
10 R
1997(and)S
10 B
2182(ECHO)S
10 R
2518(are)S
2682(set)S
2834(then)S
3047(echo)S
10 B
3277(ERASE)S
10 R
3653(and)S
10 B
3838(KILL)S
10 R
4129(as)S
4254(one)S
4440(or)S
4565(more)S
(backspace-)448 4813 A
4320 V
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2578(to)S
2685(wipe)S
2910(out)S
3067(the)S
3219(last)S
3388(character)S
3788(or)S
3901(the)S
4053(entire)S
4312(line,)S
4516(otherwise)S
4936(they)S
5137(are)S
4440 V
1440(echoed)S
1750(as)S
1859(they)S
2057(are.)S
4608 V
10 B
(ECHOK)374 1080 A
4728 V
10 R
1440(If)S
10 B
(ICANON)409 1544 A
10 R
1990(and)S
10 B
2172(ECHO)S
10 R
2505(are)S
2666(set)S
2815(and)S
10 B
2997(ECHOE)S
10 R
3397(is)S
3501(not)S
3666(set)S
3815(then)S
4025(output)S
4318(an)S
10 B
4450(NL)S
10 R
4627(after)S
4850(the)S
10 B
5010(KILL)S
4848 V
10 R
1440(character.)S
1886((For)S
(hardcopy)374 2085 A
2484(terminals)S
2884(it)S
2965(is)S
3057(best)S
3244(to)S
3347(unset)S
10 B
3584(ECHOE)S
10 R
3972(and)S
4142(to)S
4245(set)S
10 B
(ECHOK)374 4382 A
10 R
4756(.))S
5016 V
10 B
1080(ECHONL)S
5136 V
10 R
1440(Echo)S
10 B
1672(NL)S
10 R
1837(even)S
2052(if)S
10 B
2139(ECHO)S
10 R
2460(is)S
2552(not)S
2705(set,)S
2867(but)S
10 B
(ICANON)409 3020 A
10 R
3454(is)S
3546(set.)S
5304 V
10 B
(ICANON)409 1080 A
5424 V
10 R
(Canonical)408 1440 A
(input.)231 1873 A
2154(This)S
2358(enables)S
2685(line)S
2861(oriented)S
(input)206 3216 A
3447(and)S
3617(erase)S
3850(and)S
(kill)134 4020 A
4179(processing.)S
5592 V
10 B
1080(IEXTEN)S
5712 V
10 R
1440(Enable)S
1745(implementation)S
2401(de256ned)S
(input)206 2722 A
2953(extensions.)S
5880 V
10 B
1080(ISIG)S
10 R
1440(Enable)S
1745(the)S
1893(signal)S
2158(characters)S
10 B
2593(INTR)S
10 R
2845(,)S
10 B
2895(QUIT)S
10 R
3177(and)S
10 B
3347(SUSP)S
10 R
3594(.)S
6048 V
10 B
1080(NOFLSH)S
6168 V
10 R
1440(Disable)S
1773(the)S
1921(257ushing)S
2269(of)S
2378(the)S
(input)206 2526 A
2757(and)S
2927(output)S
3208(queues)S
3512(that)S
3688(is)S
3780(normally)S
(done)195 4168 A
4388(if)S
4475(a)S
4545(signal)S
4810(is)S
4902(sent.)S
6336 V
10 B
1080(TOSTOP)S
6456 V
10 R
1440(Send)S
1683(a)S
10 B
1770(SIGTTOU)S
10 R
2270(signal)S
2552(if)S
2656(job)S
2826(control)S
3153(is)S
3262(implemented)S
3829(and)S
4016(a)S
(background)474 4104 A
4621(process)S
4966(tries)S
5183(to)S
6576 V
1440(write.)S
1723((Minix)S
2027(has)S
2186(no)S
2311(job)S
2464(control.))S
6744 V
870(I)S
872(In)S
908(np)S
960(pu)S
1012(ut)S
1064(t)S
1119(a)S
1121(an)S
1168(nd)S
1220(d)S
1297(o)S
1299(ou)S
1351(ut)S
1403(tp)S
1433(pu)S
1485(ut)S
1537(t)S
1592(s)S
1594(sp)S
1635(pe)S
1687(ee)S
1734(ed)S
1781(d)S
6864 V
1080(The)S
(input)206 1271 A
1511(and)S
1690(output)S
1980(speed)S
2243(are)S
2401(encoded)S
2770(into)S
2960(the)S
10 B
3118(c_ispeed)S
10 R
3517(and)S
10 B
3697(c_ospeed)S
10 R
4118(256elds.)S
10 B
4421(<termios.h>)S
10 R
4976(de256nes)S
6984 V
1080(the)S
1245(symbols)S
10 B
1621(B0)S
10 R
1738(,)S
10 B
1805(B50)S
10 R
1972(,)S
10 B
2039(B75)S
10 R
2206(,)S
10 B
(B110)217 2272 A
10 R
2489(,)S
10 B
(B134)217 2555 A
10 R
2772(,)S
10 B
(B150)217 2838 A
10 R
3055(,)S
10 B
(B200)217 3121 A
10 R
3338(,)S
10 B
(B300)217 3404 A
10 R
3621(,)S
10 B
(B600)217 3687 A
10 R
3904(,)S
10 B
(B1200)267 3970 A
10 R
4237(,)S
10 B
(B1800)267 4303 A
10 R
4570(,)S
10 B
(B2400)267 4636 A
10 R
4903(,)S
10 B
(B4800)267 4969 A
10 R
5236(,)S
7104 V
10 B
(B9600)267 1080 A
10 R
1347(,)S
10 B
(B19200)317 1406 A
10 R
1723(,)S
10 B
(B38400)317 1782 A
10 R
2099(,)S
10 B
(B57600)317 2158 A
10 R
2509(and)S
10 B
(B115200)367 2688 A
10 R
3089(as)S
3207(values)S
3498(used)S
3716(to)S
3828(indicate)S
4182(the)S
4340(given)S
4598(baud)S
4828(rates.)S
5104(The)S
7224 V
1080(zero)S
1287(baud)S
1515(rate,)S
10 B
1725(B0)S
10 R
1842(,)S
1900(if)S
1995(used)S
2212(for)S
2363(the)S
(input)206 2519 A
2757(speed)S
3018(causes)S
3313(the)S
(input)206 3468 A
3706(speed)S
3967(to)S
4077(be)S
4204(equal)S
4454(to)S
4564(the)S
4719(output)S
5007(speed.)S
7344 V
(Setting)285 1080 A
1414(the)S
1586(output)S
1891(speed)S
2169(to)S
2296(zero)S
2519(hangs)S
2802(up)S
2951(the)S
3124(line.)S
3375(One)S
(should)267 3593 A
3910(use)S
4094(the)S
4267(functions)S
10 B
4691(cfgetispeed())S
10 R
5236(,)S
7464 V
10 B
1080(cfgetospeed())S
10 R
1647(,)S
10 B
1727(cfsetispeed())S
10 R
2316(and)S
10 B
2516(cfsetospeed())S
10 R
3127(to)S
3260(get)S
3437(or)S
3575(set)S
3741(a)S
3840(speed,)S
(because)319 4148 A
4521(the)S
10 B
4698(c_ispeed)S
10 R
5116(and)S
7903 V
720(September)S
1176(17,)S
(1996)200 1326 A
4990(Page)S
5211(4)S
8143 V
EP
%%Page: 5 30
BP
/slant 0 def
/height 0 def
480 V
10 R
720(TTY)S
925(()S
967(4)S
1025())S
2696(Eighth)S
(Edition)296 2989 A
4922(TTY)S
5127(()S
5169(4)S
5227())S
960 V
10 B
1080(c_ospeed)S
10 R
1500(256elds)S
1752(may)S
1960(not)S
2123(be)S
2253(visible)S
(under)229 2556 A
2820(other)S
3062(implementations.)S
3817((The)S
10 B
4043(c_ispeed)S
10 R
4442(and)S
10 B
4622(c_ospeed)S
10 R
5043(256elds)S
1080 V
1080(and)S
1250(the)S
10 B
(B57600)317 1398 A
10 R
1740(and)S
10 B
(B115200)367 1910 A
10 R
2302(symbols)S
2661(are)S
2810(Minix)S
3080(speci256c.))S
1248 V
870(S)S
872(Sp)S
930(pe)S
982(ec)S
1029(ci)S
1076(ia)S
1106(al)S
1153(l)S
1208(c)S
1210(ch)S
1257(ha)S
1309(ar)S
1356(ra)S
1392(ac)S
1439(ct)S
1486(te)S
1516(er)S
1563(rs)S
1599(s)S
1368 V
1080(The)S
10 B
1263(c_cc)S
10 R
1474(array)S
1708(contains)S
2069(the)S
2218(special)S
2524(characters)S
2961(that)S
3139(can)S
3306(be)S
3428(modi256ed.)S
3862(The)S
4046(array)S
4281(has)S
4442(length)S
10 B
(NCCS)275 4720 A
10 R
5022(and)S
5194(is)S
1488 V
1080(subscripted)S
1574(by)S
1710(the)S
1869(symbols)S
10 B
2239(VEOF)S
10 R
2519(,)S
10 B
2580(VEOL)S
10 R
2865(,)S
10 B
2926(VERASE)S
10 R
3335(,)S
10 B
3396(VINTR)S
10 R
3721(,)S
10 B
3781(VKILL)S
10 R
4105(,)S
10 B
4165(VMIN)S
10 R
4445(,)S
10 B
4505(VQUIT)S
10 R
4835(,)S
10 B
4895(VTIME)S
10 R
5236(,)S
1608 V
10 B
1080(VSUSP)S
10 R
1400(,)S
10 B
1479(VSTART)S
10 R
1888(,)S
10 B
1967(VSTOP)S
10 R
2303(,)S
10 B
2382(VREPRINT)S
10 R
2909(,)S
10 B
2989(VLNEXT)S
10 R
3464(and)S
10 B
(VDISCARD)533 3664 A
10 R
4197(.)S
4302(All)S
4486(these)S
4748(symbols)S
5137(are)S
1728 V
1080(de256ned)S
1408(in)S
10 B
1518(<termios.h>)S
10 R
2038(.)S
2120(Some)S
2381(implementations)S
3082(may)S
3286(give)S
3490(the)S
3644(same)S
3882(values)S
4170(to)S
4279(the)S
10 B
4433(VMIN)S
10 R
4744(and)S
10 B
4920(VTIME)S
1848 V
10 R
1080(subscripts)S
1512(and)S
1687(the)S
10 B
1840(VEOF)S
10 R
2150(and)S
10 B
2325(VEOL)S
10 R
2641(subscripts)S
3074(respectively,)S
3617(and)S
3793(may)S
(ignore)257 3997 A
4285(changes)S
4640(to)S
10 B
4749(START)S
10 R
5116(and)S
1968 V
10 B
1080(STOP)S
10 R
1343(.)S
1418((Under)S
1729(Minix)S
1999(all)S
2125(special)S
2430(characters)S
2865(have)S
3080(there)S
3307(own)S
10 I
3505(c_cc)S
10 R
3715(slot)S
3885(and)S
4055(can)S
4220(all)S
4346(be)S
4466(modi256ed.))S
2136 V
870(R)S
872(Ra)S
941(aw)S
988(w)S
1088(I)S
1090(I/)S
1126(/O)S
1156(O)S
1256(P)S
1258(Pa)S
1316(ar)S
1363(ra)S
1399(am)S
1446(me)S
1526(et)S
1573(te)S
1603(er)S
1650(rs)S
1686(s)S
2256 V
1080(The)S
10 B
1286(MIN)S
10 R
1542(and)S
10 B
1736(TIME)S
10 R
2053(parameters)S
2545(can)S
2734(be)S
2879(used)S
3113(to)S
3241(adjust)S
3531(a)S
3626(raw)S
(connection)441 3828 A
4319(to)S
4447(bursty)S
(input.)231 4748 A
10 B
5054(MIN)S
2376 V
10 R
1080(represents)S
1526(a)S
1608(minimum)S
2035(number)S
2379(of)S
2500(bytes)S
2749(that)S
2936(must)S
3167(be)S
(received)342 3298 A
3676(before)S
3970(a)S
4051(read)S
4261(call)S
4443(returns.)S
10 B
4809(TIME)S
10 R
5113(is)S
5216(a)S
2496 V
1080(timer)S
1318(of)S
1427(0.1)S
(second)279 1577 A
1881(granularity)S
2348(that)S
2524(can)S
2689(be)S
2810(used)S
3020(to)S
3124(time)S
3329(out)S
3483(a)S
3554(read.)S
(Setting)285 3804 A
4115(either)S
4371(of)S
4481(these)S
4714(parameters)S
5183(to)S
2616 V
1080(zero)S
1279(has)S
1438(special)S
1743(meaning,)S
2139(which)S
2410(leads)S
2642(to)S
2745(the)S
2893(following)S
3309(four)S
(possibilities:)508 3502 A
2784 V
10 B
1080(MIN)S
1312(>)S
1394(0,)S
1494(TIME)S
1787(>)S
1869(0)S
2904 V
1330(TIME)S
10 R
1642(is)S
1753(an)S
1892(inter-byte)S
2328(timer)S
2585(that)S
2780(is)S
2891(started)S
3204((and)S
3427(restarted))S
3853(when)S
4115(a)S
4204(byte)S
4421(is)S
(received.)367 4532 A
4969(A)S
5087(read)S
3024 V
(succeeds)358 1330 A
1720(when)S
1970(either)S
2232(the)S
2387(minimum)S
2809(number)S
3148(of)S
3264(characters)S
3706(is)S
(received)342 3805 A
4179(or)S
4295(the)S
4449(timer)S
4693(expires.)S
5065(Note)S
3144 V
1330(that)S
1506(the)S
1654(timer)S
1892(starts)S
10 B
2130(after)S
10 R
2363(the)S
2511(256rst)S
2693(character,)S
3114(so)S
3228(the)S
3376(read)S
3575(returns)S
3880(at)S
3978(least)S
4188(one)S
4358(byte.)S
3312 V
10 B
1080(MIN)S
1312(>)S
1394(0,)S
1494(TIME)S
1787(=)S
1869(0)S
3432 V
10 R
1330(Now)S
1567(the)S
1731(timer)S
1985(is)S
2093(disabled,)S
2495(and)S
2682(a)S
2769(reader)S
3064(blocks)S
3368(inde256nitely)S
(until)184 3868 A
4094(at)S
4209(least)S
10 B
4436(MIN)S
10 R
4685(characters)S
5137(are)S
3552 V
(received.)367 1330 A
3720 V
10 B
1080(MIN)S
1312(=)S
1394(0,)S
1494(TIME)S
1787(>)S
1869(0)S
3840 V
1330(TIME)S
10 R
1623(is)S
1715(now)S
1913(a)S
1983(read)S
2182(timer)S
2420(that)S
2596(is)S
2688(started)S
2982(when)S
3225(a)S
3295(read)S
3494(is)S
3586(executed.)S
4019(The)S
4201(read)S
(will)157 4400 A
4583(return)S
4850(if)S
4938(the)S
5087(read)S
3960 V
1330(timer)S
1577(expires)S
1902(or)S
2020(if)S
2116(at)S
2223(least)S
2442(one)S
2621(byte)S
2828(is)S
(input.)231 2929 A
3219((Note)S
3483(that)S
3668(a)S
3747(value)S
3999(of)S
4117(zero)S
4324(may)S
4530(be)S
4658(returned)S
5027(to)S
5138(the)S
4080 V
1330(reader.))S
4248 V
10 B
1080(MIN)S
1312(=)S
1394(0,)S
1494(TIME)S
1787(=)S
1869(0)S
4368 V
10 R
1330(The)S
1512(bytes)S
1749(currently)S
2138(available)S
2527(are)S
2676(returned.)S
3087(Zero)S
3303(is)S
3395(returned)S
3756(if)S
3843(no)S
3968(bytes)S
4205(are)S
4354(available.)S
4536 V
870(U)S
872(Us)S
947(se)S
988(er)S
1035(r)S
1096(L)S
1098(Le)S
1162(ev)S
1209(ve)S
1261(el)S
1308(l)S
1363(F)S
1365(Fu)S
1423(un)S
1475(nc)S
1527(ct)S
1574(ti)S
1604(io)S
1634(on)S
1686(ns)S
1738(s)S
4656 V
1080(Termios)S
1447(attributes)S
1853(are)S
2008(set)S
2151(or)S
2266(examined,)S
2713(and)S
2889(special)S
3200(functions)S
3605(can)S
3776(be)S
3902(performed)S
4353(by)S
4484(using)S
4732(the)S
4887(functions)S
4776 V
1080(described)S
1491(in)S
10 B
1594(termios)S
10 R
1919((2).)S
4944 V
870(S)S
872(Se)S
930(es)S
977(ss)S
1018(si)S
1059(io)S
1089(on)S
1141(n)S
1218(L)S
1220(Le)S
1284(ea)S
1331(ad)S
1378(de)S
1430(er)S
1477(rs)S
1513(s)S
1579(a)S
1581(an)S
1628(nd)S
1680(d)S
1757(P)S
1759(Pr)S
1817(ro)S
1853(oc)S
1905(ce)S
1952(es)S
1999(ss)S
2040(s)S
2106(G)S
2108(Gr)S
2183(ro)S
2219(ou)S
2271(up)S
2323(ps)S
2375(s)S
5064 V
1080(With)S
1311(the)S
1464(use)S
1628(of)S
1742(the)S
10 B
1895(setsid())S
10 R
2234(function)S
2599(can)S
2769(a)S
2845(process)S
3178(become)S
3522(a)S
3598(session)S
3919(leader.)S
4247(A)S
4351(session)S
4672(leader)S
4950(forms)S
5216(a)S
5184 V
1080(process)S
(group)234 1412 A
1676(with)S
1885(a)S
1960(process)S
(group)234 2292 A
2556(id)S
2664(equal)S
2912(to)S
3020(the)S
3173(process)S
3505(id)S
3613(of)S
3727(the)S
3879(session)S
4198(leader.)S
4524(If)S
4621(a)S
4695(session)S
5014(leader)S
5304 V
1080(opens)S
1340(a)S
1411(terminal)S
1774(device)S
2064(256le)S
2220(then)S
2420(this)S
2592(terminal)S
2955(becomes)S
3334(the)S
(controlling)441 3484 A
3952(tty)S
4085(of)S
4196(the)S
4346(session)S
4663(leader.)S
4987(Unless)S
5424 V
1080(the)S
1232(terminal)S
1597(is)S
1692(already)S
2017(the)S
(controlling)441 2168 A
2637(tty)S
2771(of)S
2883(another)S
3213(process,)S
3568(or)S
3680(unless)S
3959(the)S
10 B
4110(O_NOCTTY)S
10 R
4697(257ag)S
4876(is)S
4971(used)S
5183(to)S
5544 V
1080(prevent)S
1410(the)S
1561(allocation)S
1986(of)S
2098(a)S
(controlling)441 2171 A
2640(tty.)S
2824(The)S
3009(process)S
(group)234 3339 A
3601(of)S
3713(the)S
3864(session)S
4183(leader)S
4459(is)S
4555(now)S
4757(remembered)S
5664 V
1080(as)S
1190(the)S
1339(terminal)S
1701(process)S
(group)234 2029 A
2289(for)S
2433(signals)S
2738(sent)S
2925(by)S
3050(the)S
3198(terminal)S
3559(driver.)S
3875(All)S
4029(the)S
4177(children)S
4532(and)S
4702(grandchildren)S
5784 V
1080(of)S
1197(the)S
1353(session)S
1676(leader)S
1956(inherit)S
2252(the)S
(controlling)441 2408 A
2882(terminal)S
3252(and)S
3431(process)S
(group)234 3767 A
(until)184 4035 A
4253(they)S
4460(themselves)S
4941(use)S
10 B
5109(set-)S
5904 V
1080(sid())S
10 R
1271(.)S
6072 V
1080(The)S
(controlling)441 1269 A
1742(tty)S
1880(becomes)S
(inaccessible)487 2264 A
2783(to)S
2893(the)S
3048(children)S
3410(of)S
3526(the)S
3681(session)S
4004(leader)S
4284(when)S
4535(the)S
4691(session)S
5014(leader)S
6192 V
1080(exits,)S
1322(and)S
1494(a)S
(hangup)295 1566 A
1888(signal)S
2155(is)S
2249(sent)S
2438(to)S
2543(all)S
2671(the)S
2821(members)S
3217(of)S
3327(the)S
3476(process)S
(group.)259 3804 A
4114(The)S
(input)206 4297 A
4529(and)S
4700(output)S
4982(queues)S
6312 V
1080(are)S
1229(257ushed)S
1544(on)S
1669(the)S
1817(last)S
1982(close)S
2214(of)S
2323(a)S
2393(terminal)S
2754(and)S
2924(all)S
3050(attributes)S
3450(are)S
3599(reset)S
3815(to)S
3918(the)S
4066(default)S
4371(state.)S
6480 V
1080(A)S
1180(special)S
1487(device)S
10 B
1777(/dev/tty)S
10 R
2129(is)S
2223(a)S
(synonym)367 2295 A
2689(for)S
2834(the)S
(controlling)441 2984 A
3453(tty)S
3587(of)S
3699(a)S
3772(process.)S
4152(It)S
4242(allows)S
4533(a)S
4606(process)S
4936(to)S
(reach)219 5042 A
6600 V
1080(the)S
1229(terminal)S
1591(even)S
1807(when)S
2051(standard)S
(input,)231 2418 A
2675(output)S
2957(and)S
3128(error)S
3351(are)S
3501(redirected.)S
3981(Opening)S
4353(this)S
4524(device)S
4813(can)S
4979(also)S
5166(be)S
6720 V
1080(used)S
1289(as)S
1398(a)S
1468(test)S
1633(to)S
1736(see)S
1890(if)S
1977(a)S
2047(process)S
2374(has)S
2533(a)S
(controlling)441 2603 A
3069(tty)S
3200(or)S
3309(not.)S
6888 V
1080(For)S
1251(Minix)S
1527(a)S
1603(special)S
1914(write-only)S
2365(device)S
10 B
2659(/dev/log)S
10 R
3026(exists)S
3287(for)S
3437(processes)S
3855(that)S
4038(want)S
4266(to)S
4376(write)S
4616(messages)S
5028(to)S
5138(the)S
7008 V
1080(system)S
1384(console.)S
1766(Unlike)S
2065(the)S
2213(console)S
2545(this)S
2715(device)S
3003(is)S
(still)151 3095 A
(accessible)409 3271 A
3705(when)S
3948(a)S
4018(session)S
4333(leader)S
4605(exits.)S
7176 V
1080(Minix-vmd)S
1572(also)S
1769(has)S
1938(a)S
10 B
2018(/dev/log)S
10 R
2388(device,)S
2711(but)S
2874(this)S
3054(device)S
3352(is)S
3455(read-write.)S
3957(All)S
4122(messages)S
(written)286 4538 A
4860(to)S
4974(the)S
5133(log)S
7296 V
1080(device)S
1369(or)S
1479(to)S
1583(the)S
1732(console)S
2065(when)S
2309(X11)S
2508(is)S
2601(active)S
2868(can)S
3033(be)S
3153(read)S
3352(from)S
10 B
3573(/dev/log)S
10 R
3908(.)S
3983(The)S
4165(system)S
4469(tries)S
4668(to)S
4771(preserve)S
5138(the)S
7416 V
1080(log)S
1233(buffer)S
1505(over)S
1709(a)S
(reboot)257 1779 A
2061(so)S
2175(that)S
2351(panic)S
2594(messages)S
2999(reappear)S
3372(in)S
3475(the)S
3623(log)S
3776(if)S
3863(the)S
4011(system)S
4315(happens)S
4669(to)S
4772(crash.)S
7903 V
720(Page)S
941(5)S
4455(September)S
4911(17,)S
(1996)200 5061 A
8143 V
EP
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BP
/slant 0 def
/height 0 def
480 V
10 R
720(TTY)S
925(()S
967(4)S
1025())S
2696(Eighth)S
(Edition)296 2989 A
4922(TTY)S
5127(()S
5169(4)S
5227())S
960 V
870(P)S
872(Ps)S
930(se)S
971(eu)S
1018(ud)S
1070(do)S
1122(o)S
1199(T)S
1201(Te)S
1265(er)S
1312(rm)S
1348(mi)S
1428(in)S
1458(na)S
1510(al)S
1557(ls)S
1587(s)S
1080 V
(Pseudo)290 1080 A
1399(ttys)S
1573(allow)S
1826(a)S
1900(process)S
2231(such)S
2444(as)S
2557(a)S
2631(remote)S
2940(login)S
3175(daemon)S
3522(to)S
3629(set)S
3770(up)S
3899(a)S
3973(terminal)S
4338(for)S
4485(a)S
4559(remote)S
4868(login)S
5104(ses-)S
1200 V
1080(sion.)S
1323(The)S
1505(login)S
1736(session)S
2051(uses)S
2249(a)S
2319(device)S
2607(like)S
10 B
2783(/dev/ttyp0)S
10 R
3239(for)S
(input)206 3382 A
3613(and)S
3783(output,)S
4089(and)S
4259(the)S
4407(remote)S
4712(login)S
4943(daemon)S
1320 V
1080(uses)S
1283(the)S
1436(device)S
10 B
1729(/dev/ptyp0)S
10 R
2212(to)S
(supply)267 2320 A
(input)206 2617 A
2853(to)S
2961(or)S
3075(take)S
3273(output)S
3559(from)S
3785(the)S
3938(login)S
4174(session)S
4494(and)S
4669(transfer)S
5008(this)S
5183(to)S
1440 V
1080(or)S
1192(from)S
1416(the)S
1567(originating)S
2036(system.)S
2393(So)S
2527(the)S
2678(character)S
3077(257ow)S
3284(may)S
3485(be:)S
3661(Local)S
3919(user)S
(input)206 4115 A
4348(sent)S
4537(to)S
4642(the)S
4792(remote)S
5099(sys-)S
1560 V
1080(tem)S
1263(is)S
(written)286 1362 A
1680(to)S
10 B
1791(/dev/ptyp0)S
10 R
2277(by)S
2410(the)S
2566(remote)S
2879(login)S
3118(daemon,)S
(undergoes)413 3494 A
(input)206 3940 A
4179(processing)S
4642(and)S
4820(appears)S
5161(on)S
1680 V
10 B
1080(/dev/ttyp0)S
10 R
1541(as)S
(input)206 1655 A
1891(to)S
1999(the)S
2152(login)S
2388(session.)S
2757(Output)S
3065(from)S
3290(the)S
3442(login)S
3677(session)S
3996(to)S
10 B
4103(/dev/ttyp0)S
10 R
(undergoes)413 4563 A
5005(output)S
1800 V
1080(processing,)S
1561(is)S
1654(read)S
1854(from)S
10 B
2076(/dev/ptyp0)S
10 R
2555(by)S
2681(the)S
2831(remote)S
3138(login)S
3371(daemon)S
3716(and)S
3888(is)S
3982(send)S
4193(over)S
4399(to)S
4504(the)S
4654(local)S
4877(system)S
5183(to)S
1920 V
1080(be)S
1200(displayed)S
1610(for)S
1753(the)S
1901(user.)S
2144((So)S
2309(there)S
2536(are)S
2685(only)S
2888(four)S
3081(data)S
3274(streams)S
3607(to)S
3710(worry)S
(about)223 3976 A
4224(in)S
4327(a)S
(pseudo)284 4397 A
4706(terminal.))S
2088 V
1080(A)S
(pseudo)284 1180 A
1491(terminal)S
1854(can)S
2021(be)S
2144(allocated)S
2536(by)S
2664(trying)S
2932(to)S
3038(open)S
3261(all)S
3390(the)S
(controlling)441 3541 A
4010(devices)S
10 B
4340(/dev/pty)S
10 I
4687(nn)S
10 R
4815(one)S
4988(by)S
5116(one)S
2208 V
(until)184 1080 A
1299(it)S
(succeeds.)383 1390 A
1833(Further)S
2165(opens)S
(will)157 2434 A
2626(fail)S
2796(once)S
3020(a)S
3099(pty)S
3261(is)S
3362(open.)S
3641(The)S
3832(process)S
(should)267 4168 A
4469(now)S
4676(fork,)S
4903(the)S
5060(child)S
2328 V
(should)267 1080 A
1372(become)S
1710(session)S
2025(leader,)S
2322(open)S
2542(the)S
2690(tty)S
2821(side)S
3008(of)S
3117(the)S
3265(pty)S
3418(and)S
3588(start)S
3787(a)S
3857(login)S
4088(session.)S
2496 V
1080(If)S
1177(the)S
1329(tty)S
1464(side)S
1655(is)S
1751(eventually)S
2199(closed)S
2485(down)S
2737(then)S
2939(reads)S
3181(from)S
3406(the)S
3558(pty)S
3715(side)S
(will)157 3906 A
4093(return)S
4364(zero)S
4568(and)S
4743(writes)S
5020(return)S
2616 V
10 R-1
1080(-)S
10 R
1137(1)S
1221(with)S
10 B
(errno)241 1434 A
10 R
1709(set)S
1855(to)S
10 B
1967(EIO)S
10 R
2151(.)S
2235(If)S
2337(the)S
2494(pty)S
2656(side)S
2852(is)S
2953(closed)S
3243(256rst)S
3433(then)S
3639(a)S
10 B
3717(SIGHUP)S
10 R
4136(signal)S
4409(is)S
4509(sent)S
4704(to)S
4815(the)S
4971(session)S
2736 V
1080(leader)S
1353(and)S
1524(further)S
1825(reads)S
2064(from)S
2286(the)S
2435(tty)S
2567(side)S
2755(return)S
3022(zero)S
3222(and)S
3393(writes)S
3666(return)S
10 R-1
3933(-)S
10 R
3990(1)S
4066(with)S
10 B
(errno)241 4271 A
10 R
4538(set)S
4676(to)S
10 B
4781(EIO)S
10 R
4965(.)S
5042((Spe-)S
2856 V
1080(cial)S
1256(note:)S
1512(A)S
1615(line)S
1796(erase)S
2034(may)S
2237(cause)S
2491(up)S
2621(to)S
2729(three)S
2961(times)S
3209(the)S
3362(size)S
3548(of)S
3661(the)S
3813(tty)S
(input)206 3948 A
4183(queue)S
4452(to)S
4559(be)S
4683(sent)S
4874(to)S
4981(the)S
5133(pty)S
2976 V
1080(reader)S
1362(as)S
(backspace)414 1475 A
1918(overstrikes.)S
2439(Some)S
2697(of)S
2810(this)S
2985(output)S
3271(may)S
3474(get)S
3627(lost)S
3802(if)S
3894(the)S
4047(pty)S
4205(reader)S
(cannot)268 4488 A
(accept)258 4786 A
5074(it)S
5160(all)S
3096 V
1080(at)S
1178(once)S
1393(in)S
1496(a)S
1566(single)S
1831(read)S
2030(call.))S
3264 V
870(B)S
872(Ba)S
941(ac)S
988(ck)S
1035(kw)S
1087(wa)S
1162(ar)S
1209(rd)S
1245(ds)S
1297(s)S
1363(c)S
1365(co)S
1412(om)S
1464(mp)S
1544(pa)S
1596(at)S
1643(ti)S
1673(ib)S
1703(bi)S
1755(il)S
1785(li)S
1815(it)S
1845(ty)S
1875(y)S
3384 V
1080(The)S
10 B
1265(TIOCGETP)S
10 R
1796(,)S
10 B
1849(TIOCSETP)S
10 R
2358(,)S
10 B
2411(TIOCGETC)S
10 R
2981(and)S
10 B
3154(TIOCSETC)S
10 R
3702(ioctl)S
3909(functions)S
4311(that)S
4490(are)S
4642(used)S
4854(by)S
4982(the)S
5133(old)S
3504 V
10 B
1080(sgtty)S
10 R
1326(terminal)S
(interface)354 1701 A
2094(are)S
(still)151 2257 A
(supported)396 2447 A
2882(by)S
3021(the)S
3183(terminal)S
3558(driver)S
3837(by)S
3975(emulation.)S
4465(Note)S
4699(that)S
4888(these)S
5133(old)S
3624 V
1080(functions)S
(cannot)268 1480 A
1774(control)S
2085(all)S
2212(termios)S
2540(attributes,)S
2966(so)S
3081(the)S
3230(terminal)S
3592(must)S
3813(be)S
3934(in)S
4038(a)S
4109(relatively)S
4516(sane)S
4721(state)S
4933(to)S
5038(avoid)S
3744 V
1080(problems.)S
3912 V
9 R
720(F)S
722(FI)S
774(IL)S
807(LE)S
865(ES)S
923(S)S
4032 V
10 R
1080(The)S
1286(list)S
1458(below)S
1753(shows)S
2053(all)S
2203(devices)S
2554(that)S
2755(Minix)S
3050(and)S
3245(Minix-vmd)S
3752(have.)S
4042(Not)S
4243(all)S
4394(of)S
4528(these)S
4785(devices)S
5137(are)S
4152 V
1080(con256gured)S
1544(in)S
1656(by)S
1790(default,)S
2129(as)S
2247(indicated)S
2650(by)S
2784(the)S
2941(numbers)S
((i/j/k,)221 3320 A
3574(l/m/n))S
3853(that)S
4037(tell)S
4199(the)S
4355(minimum,)S
4803(default)S
5116(and)S
4272 V
1080(maximum)S
1512(possible)S
1866(number)S
2198(of)S
2307(these)S
2539(devices)S
2866(for)S
3009(Minix)S
((i/j/k))230 3279 A
3534(and)S
3704(Minix-vmd)S
4186((l/m/n).)S
4440 V
10 B
1080(/dev/console)S
10 R
2080(System)S
2401(console.)S
4608 V
10 B
1080(/dev/ttyc[1-7])S
10 R
2080(Virtual)S
2391(consoles.)S
2812((0/1/7,)S
3102(0/1/7))S
4776 V
10 B
1080(/dev/log)S
10 R
2080(Console)S
2434(log)S
2587(device.)S
4944 V
10 B
1080(/dev/tty0[0-3])S
10 R
2080(Serial)S
2341(lines.)S
2606((0/2/2,)S
2896(4/4/4))S
5112 V
10 B
(/dev/tty[p-w][0-f])742 1080 A
10 R
(Pseudo)290 2080 A
2395(ttys.)S
2615((0/0/64,)S
(1/32/128))390 2955 A
5280 V
10 B
(/dev/pty[p-w][0-f])764 1080 A
10 R
2080(Associated)S
(pseudo)284 2547 A
2856(tty)S
2987(controllers.)S
5448 V
9 R
720(S)S
722(SE)S
774(EE)S
832(E)S
913(A)S
915(AL)S
983(LS)S
1041(SO)S
1093(O)S
5568 V
10 B
1080(stty)S
10 R
1237((1),)S
10 B
1405(termios)S
10 R
1730((3),)S
10 B
1898(setsid)S
10 R
2139((2),)S
10 B
2307(read)S
10 R
2503((2),)S
10 B
2671(write)S
10 R
2896((2).)S
5736 V
9 R
720(B)S
722(BU)S
784(UG)S
852(GS)S
920(S)S
5856 V
10 R
1080(A)S
1178(fair)S
1344(number)S
1676(of)S
1785(257ags)S
2000(are)S
2149(not)S
2302(implemented)S
(under)229 2853 A
3108(Minix)S
3379((yet).)S
3646(Luckily)S
3985(they)S
4184(are)S
4334(very)S
4539(limited)S
(utility)240 4850 A
5116(and)S
5976 V
1080(only)S
1283(apply)S
1531(to)S
(RS-232,)332 1634 A
1991(not)S
2144(to)S
2247(the)S
2395(user)S
(interface.)379 2588 A
6144 V
9 R
720(A)S
722(AU)S
790(UT)S
858(TH)S
916(HO)S
984(OR)S
1052(R)S
6264 V
10 R
1080(Kees)S
1307(J.)S
1396(Bot)S
1566((kjb@cs.vu.nl))S
7903 V
720(September)S
1176(17,)S
(1996)200 1326 A
4990(Page)S
5211(6)S
8143 V
EP
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