#pragma once
#include <stdarg.h>
#include <stddef.h>

int printf(const char* fmt, ...);
int sprintf(char* __s, const char* fmt, ...);
int snprintf(char* __s, size_t max, const char* fmt, ...);
int vprintf(const char* fmt, va_list ap);
int vsprintf(char* __s, const char* fmt, va_list ap);
int vsnprintf(char* __s, size_t max, const char* fmt, va_list ap);