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#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.c"
#endif
#ifndef L_ctermid
#include "L_ctermid.c"
#endif
#define f_is_open(s) (s && (s->bmode != 0))
struct __fpos_t {
size_t off;
};
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 */
int bmode; /* 0, _IONBF, _IOLBF, _IOFBF */
/* 0 means this FILE is currently free */
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];
char ctermid[L_ctermid + 1];
};
extern struct __stdio __stdio;
#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
#endif
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