fio.h
上传用户:center1979
上传日期:2022-07-26
资源大小:50633k
文件大小:3k
- #include "stdio.h"
- #include "errno.h"
- #ifndef NULL
- /* ANSI C */
- #include "stddef.h"
- #endif
- #ifndef SEEK_SET
- #define SEEK_SET 0
- #define SEEK_CUR 1
- #define SEEK_END 2
- #endif
- #ifdef MSDOS
- #ifndef NON_UNIX_STDIO
- #define NON_UNIX_STDIO
- #endif
- #endif
- #ifdef UIOLEN_int
- typedef int uiolen;
- #else
- typedef long uiolen;
- #endif
- /*units*/
- typedef struct
- { FILE *ufd; /*0=unconnected*/
- char *ufnm;
- #ifndef MSDOS
- long uinode;
- int udev;
- #endif
- int url; /*0=sequential*/
- flag useek; /*true=can backspace, use dir, ...*/
- flag ufmt;
- flag urw; /* (1 for can read) | (2 for can write) */
- flag ublnk;
- flag uend;
- flag uwrt; /*last io was write*/
- flag uscrtch;
- } unit;
- extern flag f__init;
- extern cilist *f__elist; /*active external io list*/
- extern flag f__reading,f__external,f__sequential,f__formatted;
- #undef Void
- #ifdef KR_headers
- #define Void /*void*/
- extern int (*f__getn)(); /* for formatted input */
- extern void (*f__putn)(); /* for formatted output */
- extern void x_putc();
- extern long f__inode();
- extern VOID sig_die();
- extern int (*f__donewrec)(), t_putc(), x_wSL();
- extern int c_sfe(), err__fl(), xrd_SL(), f__putbuf();
- #else
- #define Void void
- #ifdef __cplusplus
- extern "C" {
- #endif
- extern int (*f__getn)(void); /* for formatted input */
- extern void (*f__putn)(int); /* for formatted output */
- extern void x_putc(int);
- extern long f__inode(char*,int*);
- extern void sig_die(char*,int);
- extern void f__fatal(int,char*);
- extern int t_runc(alist*);
- extern int f__nowreading(unit*), f__nowwriting(unit*);
- extern int fk_open(int,int,ftnint);
- extern int en_fio(void);
- extern void f_init(void);
- extern int (*f__donewrec)(void), t_putc(int), x_wSL(void);
- extern void b_char(char*,char*,ftnlen), g_char(char*,ftnlen,char*);
- extern int c_sfe(cilist*), z_rnew(void);
- extern int isatty(int);
- extern int err__fl(int,int,char*);
- extern int xrd_SL(void);
- extern int f__putbuf(int);
- #ifdef __cplusplus
- }
- #endif
- #endif
- extern int (*f__doend)(Void);
- extern FILE *f__cf; /*current file*/
- extern unit *f__curunit; /*current unit*/
- extern unit f__units[];
- #define err(f,m,s) {if(f) errno= m; else f__fatal(m,s); return(m);}
- #define errfl(f,m,s) return err__fl((int)f,m,s)
- /*Table sizes*/
- #define MXUNIT 100
- extern int f__recpos; /*position in current record*/
- extern int f__cursor; /* offset to move to */
- extern int f__hiwater; /* so TL doesn't confuse us */
- #define WRITE 1
- #define READ 2
- #define SEQ 3
- #define DIR 4
- #define FMT 5
- #define UNF 6
- #define EXT 7
- #define INT 8
- #define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)