1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
#ifndef ___STDIO_H__
#define ___STDIO_H__
#include <stddef.h>
#include <stdarg.h>
#include <stdio.h>
#ifdef _POSIX_C_SOURCE
#include <sys/types.h>
#else
#include "sys/types/pid_t.h"
#endif
#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 199506L
#define flockfile(_file) (void)(_file)
#define funlockfile(_file) (void)(_file)
#define putc_unlocked(_c, _stream) fputc(_c, _stream)
#define getc_unlocked(_stream) fgetc(_stream)
#endif
#define f_is_open(s) (s && (s->bmode != 0))
struct __FILE {
fpos_t pos;
char *buf; /* pointer to in-use buffer */
char ibuf[BUFSIZ]; /* statically allocated buffer */
size_t bsize; /* how big is the buffer */
size_t bpos; /* current position of next character */
enum {
UNUSED = 0,
FULL = _IOFBF,
LINE = _IOLBF,
NONE = _IONBF,
} bmode; /* buffer mode or stream available */
int fd; /* the backing file descriptor */
int orientation; /* 0 = undetermind, < 0 = byte, > 0 = wide */
int eof; /* eof indicator */
int err; /* error indicator */
int nlocks; /* in multithreaded, used by flockfile() */
int thread; /* the owning thread if locked */
pid_t pipe_pid; /* if stream is a pipe, the child pid */
};
struct io_options {
const char *fnname; /* the calling function */
char *string; /* NULL or the output string */
wchar_t *wstring; /* NULL or the output wide string */
struct __FILE *stream; /* NULL or the output stream */
int fd; /* -1 or the output file descriptor */
size_t maxlen; /* max number of bytes to write to string */
};
int __printf(struct io_options * restrict, const char * restrict, va_list);
int __scanf(struct io_options * restrict, const char * restrict, va_list);
struct __stdio {
struct __FILE FILES[FOPEN_MAX];
};
extern struct __stdio __stdio;
#endif
|
