63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
|
#define BUFSIZ 1024
|
||
|
|
#define _NFILES 20
|
||
|
|
#define NULL 0
|
||
|
|
#define EOF (-1)
|
||
|
|
#define CMASK 0377
|
||
|
|
|
||
|
|
#define IO_READMODE 1
|
||
|
|
#define IO_WRITEMODE 2
|
||
|
|
#define IO_UNBUFF 4
|
||
|
|
#define IO_EOF 8
|
||
|
|
#define IO_ERR 16
|
||
|
|
#define IO_MYBUF 32
|
||
|
|
#define IO_PERPRINTF 64
|
||
|
|
|
||
|
|
#ifndef FILE
|
||
|
|
|
||
|
|
extern struct _io_buf {
|
||
|
|
int _fd;
|
||
|
|
int _count;
|
||
|
|
int _flags;
|
||
|
|
unsigned char *_buf;
|
||
|
|
unsigned char *_ptr;
|
||
|
|
} *_io_table[_NFILES];
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* FILE */
|
||
|
|
|
||
|
|
#define FILE struct _io_buf
|
||
|
|
|
||
|
|
|
||
|
|
#define stdin (_io_table[0])
|
||
|
|
#define stdout (_io_table[1])
|
||
|
|
#define stderr (_io_table[2])
|
||
|
|
|
||
|
|
#define getchar() getc(stdin)
|
||
|
|
#define putchar(c) putc(c,stdout)
|
||
|
|
#define getc(p) (--(p)->_count >= 0 ? (int) (*(p)->_ptr++) : \
|
||
|
|
_fillbuf(p))
|
||
|
|
#define putc(c, p) (--(p)->_count >= 0 ? \
|
||
|
|
(int) (*(p)->_ptr++ = (c)) : \
|
||
|
|
_flushbuf((c),(p)))
|
||
|
|
#define feof(p) (((p)->_flags & IO_EOF) != 0)
|
||
|
|
#define ferror(p) (((p)->_flags & IO_ERR) != 0)
|
||
|
|
#define fileno(p) ((p)->_fd)
|
||
|
|
#define io_testflag(p,x) ((p)->_flags & (x))
|
||
|
|
|
||
|
|
/* If you want a stream to be flushed after each printf use:
|
||
|
|
*
|
||
|
|
* io_perprintf(stream);
|
||
|
|
*
|
||
|
|
* If you want to stop with this kind of buffering use:
|
||
|
|
*
|
||
|
|
* io_noperprintf(stream);
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define io_noperprintf(p) ((p)->_flags &= ~IO_PERPRINTF)
|
||
|
|
#define io_perprintf(p) ((p)->_flags |= IO_PERPRINTF)
|
||
|
|
|
||
|
|
extern FILE *fopen(), *fdopen(), *freopen(), *popen();
|
||
|
|
extern long ftell();
|
||
|
|
extern setbuf(), rewind();
|
||
|
|
extern char *fgets(), *gets();
|