BSD 4_3 release

[unix-history] / usr / src / include / stdio.h

/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
*      @(#)stdio.h     5.3 (Berkeley) 3/15/86
*/

# ifndef FILE
#define BUFSIZ  1024
extern  struct  _iobuf {
       int     _cnt;
       char    *_ptr;          /* should be unsigned char */
       char    *_base;         /* ditto */
       int     _bufsiz;
       short   _flag;
       char    _file;          /* should be short */
} _iob[];

#define _IOREAD 01
#define _IOWRT  02
#define _IONBF  04
#define _IOMYBUF        010
#define _IOEOF  020
#define _IOERR  040
#define _IOSTRG 0100
#define _IOLBF  0200
#define _IORW   0400
#define NULL    0
#define FILE    struct _iobuf
#define EOF     (-1)

#define stdin   (&_iob[0])
#define stdout  (&_iob[1])
#define stderr  (&_iob[2])
#ifndef lint
#define getc(p)         (--(p)->_cnt>=0? (int)(*(unsigned char *)(p)->_ptr++):_filbuf(p))
#endif not lint
#define getchar()       getc(stdin)
#ifndef lint
#define putc(x, p)      (--(p)->_cnt >= 0 ?\
       (int)(*(unsigned char *)(p)->_ptr++ = (x)) :\
       (((p)->_flag & _IOLBF) && -(p)->_cnt < (p)->_bufsiz ?\
               ((*(p)->_ptr = (x)) != '\n' ?\
                       (int)(*(unsigned char *)(p)->_ptr++) :\
                       _flsbuf(*(unsigned char *)(p)->_ptr, p)) :\
               _flsbuf((unsigned char)(x), p)))
#endif not lint
#define putchar(x)      putc(x,stdout)
#define feof(p)         (((p)->_flag&_IOEOF)!=0)
#define ferror(p)       (((p)->_flag&_IOERR)!=0)
#define fileno(p)       ((p)->_file)
#define clearerr(p)     ((p)->_flag &= ~(_IOERR|_IOEOF))

FILE    *fopen();
FILE    *fdopen();
FILE    *freopen();
FILE    *popen();
long    ftell();
char    *fgets();
char    *gets();
#ifdef vax
char    *sprintf();             /* too painful to do right */
#endif
# endif