| 1 | /* stdio.h 1.5 83/08/11 */ |
| 2 | #define BUFSIZ 1024 |
| 3 | #define _NFILE 20 |
| 4 | # ifndef FILE |
| 5 | extern struct _iobuf { |
| 6 | int _cnt; |
| 7 | char *_ptr; |
| 8 | char *_base; |
| 9 | int _bufsiz; |
| 10 | short _flag; |
| 11 | char _file; |
| 12 | } _iob[_NFILE]; |
| 13 | # endif |
| 14 | |
| 15 | #define _IOREAD 01 |
| 16 | #define _IOWRT 02 |
| 17 | #define _IONBF 04 |
| 18 | #define _IOMYBUF 010 |
| 19 | #define _IOEOF 020 |
| 20 | #define _IOERR 040 |
| 21 | #define _IOSTRG 0100 |
| 22 | #define _IOLBF 0200 |
| 23 | #define _IORW 0400 |
| 24 | #define NULL 0 |
| 25 | #define FILE struct _iobuf |
| 26 | #define EOF (-1) |
| 27 | |
| 28 | #define stdin (&_iob[0]) |
| 29 | #define stdout (&_iob[1]) |
| 30 | #define stderr (&_iob[2]) |
| 31 | #define getc(p) (--(p)->_cnt>=0? *(p)->_ptr++&0377:_filbuf(p)) |
| 32 | #define getchar() getc(stdin) |
| 33 | #define putc(x,p) (--(p)->_cnt>=0? ((int)(*(p)->_ptr++=(unsigned)(x))):_flsbuf((unsigned)(x),p)) |
| 34 | #define putchar(x) putc(x,stdout) |
| 35 | #define feof(p) (((p)->_flag&_IOEOF)!=0) |
| 36 | #define ferror(p) (((p)->_flag&_IOERR)!=0) |
| 37 | #define fileno(p) ((p)->_file) |
| 38 | |
| 39 | FILE *fopen(); |
| 40 | FILE *fdopen(); |
| 41 | FILE *freopen(); |
| 42 | long ftell(); |
| 43 | char *fgets(); |
| 44 | #ifdef vax |
| 45 | char *sprintf(); /* too painful to do right */ |
| 46 | #endif |