2 |
- |
1 |
/*
|
|
|
2 |
* pANS stdio -- definitions
|
|
|
3 |
* The following names are defined in the pANS:
|
|
|
4 |
* FILE fpos_t _IOFBF _IOLBF _IONBF
|
|
|
5 |
* BUFSIZ EOF FOPEN_MAX FILENAME_MAX L_tmpnam
|
|
|
6 |
* SEEK_CUR SEEK_END SEEK_SET TMP_MAX stderr
|
|
|
7 |
* stdin stdout remove rename tmpfile
|
|
|
8 |
* tmpnam fclose fflush fopen freopen
|
|
|
9 |
* setbuf setvbuf fprintf fscanf printf
|
|
|
10 |
* scanf sprintf sscanf vfprintf vprintf
|
|
|
11 |
* vsprintf fgetc fgets fputc fputs
|
|
|
12 |
* getc getchar gets putc putchar
|
|
|
13 |
* puts ungetc fread fwrite fgetpos
|
|
|
14 |
* fseek fsetpos ftell rewind clearerr
|
|
|
15 |
* feof ferror perror
|
|
|
16 |
*/
|
|
|
17 |
#include <stdio.h>
|
|
|
18 |
#include <stdlib.h>
|
|
|
19 |
#include <sys/types.h>
|
|
|
20 |
#include <unistd.h>
|
|
|
21 |
#include <fcntl.h>
|
|
|
22 |
|
|
|
23 |
/*
|
|
|
24 |
* Flag bits
|
|
|
25 |
*/
|
|
|
26 |
#define BALLOC 1 /* did stdio malloc fd->buf? */
|
|
|
27 |
#define LINEBUF 2 /* is stream line buffered? */
|
|
|
28 |
#define STRING 4 /* output to string, instead of file */
|
|
|
29 |
#define APPEND 8 /* append mode output */
|
|
|
30 |
/*
|
|
|
31 |
* States
|
|
|
32 |
*/
|
|
|
33 |
#define CLOSED 0 /* file not open */
|
|
|
34 |
#define OPEN 1 /* file open, but no I/O buffer allocated yet */
|
|
|
35 |
#define RDWR 2 /* open, buffer allocated, ok to read or write */
|
|
|
36 |
#define RD 3 /* open, buffer allocated, ok to read but not write */
|
|
|
37 |
#define WR 4 /* open, buffer allocated, ok to write but not read */
|
|
|
38 |
#define ERR 5 /* open, but an uncleared error occurred */
|
|
|
39 |
#define END 6 /* open, but at eof */
|
|
|
40 |
char *strerror(int errno);
|
|
|
41 |
int _IO_setvbuf(FILE *);
|
|
|
42 |
FILE *_IO_sopenr(const char*);
|
|
|
43 |
FILE *_IO_sopenw(void);
|
|
|
44 |
char *_IO_sclose(FILE *);
|