public static int printf(this msvcrt lib, string fmt, float arg0) => lib.GetFunction <pinvoke_printf_2>("printf")(fmt, arg0);
public static int scanf(this msvcrt lib, string fmt, out int arg0) => lib.GetFunction <pinvoke_scanf_1>("scanf")(fmt, out arg0);
public static int strlen(this msvcrt lib, string str) => lib.GetFunction <pinvoke_strlen>("strlen")(str);