projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| d0391c55 KS |
1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | #define BUFSIZ 512 | |
| 3 | #define _NFILE 20 | |
| 4 | # ifndef FILE | |
| 5 | extern struct _iobuf { | |
| 6 | int _cnt; | |
| 7 | char *_ptr; | |
| 8 | char *_base; | |
| 9 | char _flag; | |
| 10 | char _file; | |
| 11 | short int _delta; | |
| 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 _IODIRT 0200 | |
| 23 | #define NULL 0 | |
| 24 | #define FILE struct _iobuf | |
| 25 | #define EOF (-1) | |
| 26 | ||
| 27 | #define stdin (&_iob[0]) | |
| 28 | #define stdout (&_iob[1]) | |
| 29 | #define stderr (&_iob[2]) | |
| 30 | #define getc(p) (--(p)->_cnt>=0? *(p)->_ptr++&0377:_filbuf(p)) | |
| 31 | #define getchar() getc(stdin) | |
| 32 | #define peekc(p) (p->_cnt>0? *(p)->_ptr&0377:_filbuf(p)==-1?-1:((p)->_cnt++,*--(p)->_ptr&0377)) | |
| 33 | #define peekchar() peekc(stdin) | |
| 34 | #define putc(x,p) (((p)->_flag |= _IODIRT,--(p)->_cnt)>=0? ((int)(*(p)->_ptr++ = (unsigned)(x))):_flsbuf( (unsigned)(x),p)) | |
| 35 | #define putchar(x) putc(x,stdout) | |
| 36 | #define feof(p) (((p)->_flag&_IOEOF)!=0) | |
| 37 | #define ferror(p) (((p)->_flag&_IOERR)!=0) | |
| 38 | #define fileno(p) p->_file | |
| 39 | ||
| 40 | FILE *fopen(); | |
| 41 | FILE *fdopen(); | |
| 42 | FILE *freopen(); | |
| 43 | long ftell(); | |
| 44 | char *fgets(); | |
| 45 | short getsh(); | |
| 46 | short putsh(); |