2BSD/src/libNS/stdio.h

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/* Copyright (c) 1979 Regents of the University of California */
#define	BUFSIZ	512
#define	_NFILE	20
# ifndef FILE
extern	struct	_iobuf {
	int	_cnt;
	char	*_ptr;
	char	*_base;
	char	_flag;
	char	_file;
short	int	_delta;
} _iob[_NFILE];
# endif

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

#define	stdin	(&_iob[0])
#define	stdout	(&_iob[1])
#define	stderr	(&_iob[2])
#define getc(p)		(--(p)->_cnt>=0? *(p)->_ptr++&0377:_filbuf(p))
#define	getchar()	getc(stdin)
#define	peekc(p)	(p->_cnt>0? *(p)->_ptr&0377:_filbuf(p)==-1?-1:((p)->_cnt++,*--(p)->_ptr&0377))
#define	peekchar()	peekc(stdin)
#define	putc(x,p)	(((p)->_flag |= _IODIRT,--(p)->_cnt)>=0? ((int)(*(p)->_ptr++ = (unsigned)(x))):_flsbuf( (unsigned)(x),p))
#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

FILE	*fopen();
FILE	*fdopen();
FILE	*freopen();
long	ftell();
char	*fgets();
short	getsh();
short	putsh();