#ifndef STDIO_H_
#define STDIO_H_

#include <stdarg.h>
#include <stddef.h>
#include <sys/_fconst.h>

#if defined(__FILENAME_MAX)
#define FILENAME_MAX __FILENAME_MAX
#else
#define FILENAME_MAX 1024
#endif

#define BUFSIZ __FIO_BUFSZ

#define SEEK_SET __SEEK_SET
#define SEEK_CUR __SEEK_CUR
#define SEEK_END __SEEK_END

#define EOF -1

#if defined(__cplusplus)
extern "C" {
#endif

typedef struct __io_file FILE;

extern FILE *__get_stdio_file(int);

#define stdin (__get_stdio_file(0))
#define stdout (__get_stdio_file(1))
#define stderr (__get_stdio_file(2))

extern FILE *fopen(const char *path, const char *mode);
extern FILE *freopen(const char *path, const char *mode, FILE *fp);
extern FILE *fdopen(int fd, const char *mode);
extern int fclose(FILE *fp);
extern int fflush(FILE *fp);
extern size_t fread(void *ptr, size_t size, size_t count, FILE *fp);
extern size_t fwrite(const void *ptr, size_t size, size_t count, FILE *fp);

extern int fileno(FILE *fp);
extern int fputs(const char *str, FILE *fp);
extern int fputc(int c, FILE *fp);
extern int fgetc(FILE *fp);
extern char *fgets(char *restrict str, int count, FILE *restrict fp);
extern int putchar(int c);

extern int ungetc(int c, FILE *fp);

extern int printf(const char *restrict format, ...);
extern int fprintf(FILE *fp, const char *restrict format, ...);
extern int sprintf(char *buf, const char *restrict format, ...);
extern int snprintf(char *buf, size_t sz, const char *restrict format, ...);

extern int vprintf(const char *restrict format, va_list arg);
extern int vfprintf(FILE *fp, const char *restrict format, va_list arg);
extern int vsprintf(char *buf, const char *restrict format, va_list arg);
extern int vsnprintf(char *buf, size_t sz, const char *restrict format, va_list arg);

extern void perror(const char *s);

#if defined(__cplusplus)
}
#endif

#endif