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007
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cstdio.arc
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INCLUDE.ARC
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STDIO.H
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1984-07-31
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/* stdio.h - standard I/O definitions.
K & R page 165.
Entered - G. R. Mansfield. 84/06/05.
Ver 1.4-4731.
*/
#ifndef _stdio
#define _stdio
#define BUFSIZE 512
#define _NFILE 12
typedef struct _iobuf {
char *_ptr; /* next character position */
int _cnt; /* number of characters left */
char *_base; /* location of buffer */
int _flag; /* mode of file access */
int _fd; /* file descriptor */
} FILE;
#ifndef IO2INIT
extern FILE _iob[_NFILE];
#endif
#define stdin (&_iob[0])
#define stdout (&_iob[1])
#define stderr (&_iob[2])
#define stdbfr (&_iob[3])
#define _READ 0x01 /* file open for reading */
#define _WRITE 0x02 /* file open for writing */
#define _UNBUF 0x04 /* file is unbuffered */
#define _EOF 0x10 /* EOF has occurred on this file */
#define _ERR 0x20 /* error has occurred on this file */
#ifndef NULL
#define NULL (0)
#endif
#define EOF (-1)
#ifndef ERR
#define ERR (-1)
#endif
#ifndef LERR
#define LERR (-1L)
#endif
#define getc(p) (--(p)->_cnt >= 0 \
? (*(p)->_ptr++) : _fillbuf(p))
#define getchar() getc(stdin)
#define putc(c,p) (--(p)->_cnt >= 0 \
? ((int)(*(p)->_ptr++ = (c))) : _mtybuf((c),p))
#define putchar(c) putc(c, stdout)
#define clearerr(fp) ((fp)->_flag & ~_ERR)
#define feof(fp) ((fp)->_flag & _EOF)
#define ferror(fp) ((fp)->_flag & _ERR)
#define fileno(fp) ((fp)->_fd)
#endif