addrinfo.h
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上传日期:2007-02-02
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文件大小:5k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- /* $Id: addrinfo.h,v 1.2 2001/10/03 23:40:29 wmay Exp $ */
- #ifndef HAVE_ADDRINFO
- /*
- * Error return codes from getaddrinfo()
- */
- #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
- #define EAI_AGAIN 2 /* temporary failure in name resolution */
- #define EAI_BADFLAGS 3 /* invalid value for ai_flags */
- #define EAI_FAIL 4 /* non-recoverable failure in name resolution */
- #define EAI_FAMILY 5 /* ai_family not supported */
- #define EAI_MEMORY 6 /* memory allocation failure */
- #define EAI_NODATA 7 /* no address associated with hostname */
- #define EAI_NONAME 8 /* hostname nor servname provided, or not known */
- #define EAI_SERVICE 9 /* servname not supported for ai_socktype */
- #define EAI_SOCKTYPE 10 /* ai_socktype not supported */
- #define EAI_SYSTEM 11 /* system error returned in errno */
- #define EAI_BADHINTS 12
- #define EAI_PROTOCOL 13
- #define EAI_MAX 14
- /* internal error */
- #define NETDB_INTERNAL -1 /* see errno */
- /*
- * Flag values for getaddrinfo()
- */
- #define AI_PASSIVE 0x00000001 /* get address to use bind() */
- #define AI_CANONNAME 0x00000002 /* fill ai_canonname */
- #define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
- /* valid flags for addrinfo */
- #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
- #define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
- #define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
- #define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
- #define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
- /* special recommended flags for getipnodebyname */
- #define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
- struct addrinfo {
- int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
- int ai_family; /* PF_xxx */
- int ai_socktype; /* SOCK_xxx */
- int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
- size_t ai_addrlen; /* length of ai_addr */
- char *ai_canonname; /* canonical name for hostname */
- struct sockaddr *ai_addr; /* binary address */
- struct addrinfo *ai_next; /* next structure in linked list */
- };
- extern void freeaddrinfo __P((struct addrinfo *));
- extern void freehostent __P((struct hostent *));
- extern char *gai_strerror __P((int));
- extern int getaddrinfo __P((const char *, const char *,
- const struct addrinfo *, struct addrinfo **));
- extern int getnameinfo __P((const struct sockaddr *, size_t, char *,
- size_t, char *, size_t, int));
- extern struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
- extern struct hostent *getipnodebyname __P((const char *, int, int, int *));
- extern int inet_pton __P((int, const char *, void *));
- extern const char *inet_ntop __P((int, const void *, char *, size_t));
- #endif /* HAVE_ADDRINFO */
- /*
- * Constants for getnameinfo()
- */
- #ifndef NI_MAXHOST
- #define NI_MAXHOST 1025
- #endif
- #ifndef NI_MAXSERV
- #define NI_MAXSERV 32
- #endif
- /*
- * Flag values for getnameinfo()
- */
- #ifndef NI_NOFQDN
- #define NI_NOFQDN 0x00000001
- #endif
- #ifndef NI_NUMERICHOST
- #define NI_NUMERICHOST 0x00000002
- #endif
- #ifndef NI_NAMEREQD
- #define NI_NAMEREQD 0x00000004
- #endif
- #ifndef NI_NUMERICSERV
- #define NI_NUMERICSERV 0x00000008
- #endif
- #ifndef NI_DGRAM
- #define NI_DGRAM 0x00000010
- #endif