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

#define PRINTF_LIKE(n, m) __attribute__((format(printf, n, m)))

int printf(const char* fmt, ...) PRINTF_LIKE(1, 2); // Outputs to serial.
int sprintf(char* __s, const char* fmt, ...) PRINTF_LIKE(2, 3);
int snprintf(char* __s, size_t max, const char* fmt, ...) PRINTF_LIKE(3, 4);
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);
int kprintf(const char* fmt, ...) PRINTF_LIKE(1, 2); // Outputs to text console.
int vkprintf(const char* fmt, va_list ap);