#pragma once
#include <bits/file.h>
#include <stdarg.h>
#include <stddef.h>

#define EOF (-1)

#define SEEK_SET 1
#define SEEK_CUR 2
#define SEEK_END 3

int printf(const char *restrict fmt, ...);
int fprintf(FILE *restrict f, const char *restrict fmt, ...);
int snprintf(char *restrict str, size_t len, const char *restrict fmt, ...);

int vprintf(const char *restrict fmt, va_list ap);
int vfprintf(FILE *restrict f, const char *restrict fmt, va_list ap);
int vsnprintf(char *restrict str, size_t len, const char *restrict fmt, va_list ap);

int _klogf(const char *fmt, ...); // for kernel debugging only


extern FILE *const stdin, *const stdout;

FILE *fopen(const char *path, const char *mode);
FILE *freopen(const char *path, const char *mode, FILE *);
FILE *fdopen(int fd, const char *mode);
FILE *file_clone(const FILE *);
int fclose(FILE *);
int fflush(FILE *f);

size_t fread(void *restrict ptr, size_t size, size_t nitems, FILE *restrict);
size_t fwrite(const void *restrict ptr, size_t size, size_t nitems, FILE *restrict);
char *fgets(char *buf, int size, FILE *f);
int fseek(FILE *f, long offset, int whence);

int feof(FILE *);
int ferror(FILE *);