#ifndef STDIO_H_
#define STDIO_H_

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

#define EOF    -1

#define _IONBF 0
#define _IOFBF 1
#define _IOLBF 2

#ifdef __cplusplus
extern "C" {
#endif

struct __opaque_file;
typedef struct __opaque_file FILE;

#define stdin  (__libc_file_stdin())
#define stdout (__libc_file_stdout())
#define stderr (__libc_file_stderr())

extern int printf(const char *format, ...);
extern int vprintf(const char *format, va_list arg);
extern int fprintf(FILE *stream, const char *format, ...);
extern int snprintf(char *buffer, size_t count, const char *format, ...);
extern int vsnprintf(
	char *buffer,
	size_t count,
	const char *format,
	va_list va);

extern FILE *fopen(const char *path, const char *mode);
extern int fclose(FILE *stream);

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

extern size_t fread(void *buf, size_t size, size_t count, FILE *stream);
extern size_t fwrite(const void *buf, size_t size, size_t count, FILE *stream);

extern int fgetc(FILE *stream);
static inline int getc(FILE *stream)
{
	return fgetc(stream);
}

extern int fputc(int c, FILE *stream);
static inline int putc(int c, FILE *stream)
{
	return fputc(c, stream);
}

extern char *fgets(char *restrict str, int count, FILE *restrict stream);
extern int fputs(const char *restrict str, FILE *restrict stream);

extern long ftell(FILE *stream);
extern int fseek(FILE *stream, long offset, int origin);

extern int sscanf(
	const char *restrict buffer,
	const char *restrict format,
	...);

extern int setvbuf(
	FILE *restrict stream,
	char *restrict buf,
	int mode,
	size_t size);

extern FILE *__libc_file_stdin(void);
extern FILE *__libc_file_stdout(void);
extern FILE *__libc_file_stderr(void);

#ifdef __cplusplus
}
#endif

#endif