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#ifndef __LIBC_IO
#define __LIBC_IO
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <sys/types.h>
#include <stdatomic.h>
typedef __SIZE_TYPE__ size_t;
#define _IO_ERR 0x4
#define _IO_EOF 0x8
#define _IO_WIDE 0x10
/* Buffering modes */
#define _IOFBF 0 /* Full buffering */
#define _IOLBF 1 /* Line buffering */
#define _IONBF 2 /* No buffering */
/* File access modes */
#ifndef O_RDONLY
#define O_RDONLY 0
#define O_WRONLY 1
#define O_RDWR 2
#define O_ACCMODE 3
#endif
/* Atomic operations for threading */
#define LIBC_LOCK(x) \
while (atomic_flag_test_and_set(&(x))) { \
}
#define LIBC_UNLOCK(x) atomic_flag_clear(&(x))
struct __FILE {
int fd;
uint32_t flags;
int type;
pid_t pid;
atomic_flag lock;
char *buf;
int eof;
size_t buf_size;
size_t buf_pos;
size_t buf_len;
unsigned char unget_buf[16];
size_t unget_cnt;
off_t offset;
struct __FILE *next;
};
void __libc_fadd(struct __FILE *f);
#endif
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