#pragma once typedef __builtin_va_list va_list; #define va_start(ap,last) __builtin_va_start(ap, last) #define va_end(ap) __builtin_va_end(ap) #define va_arg(ap,type) __builtin_va_arg(ap,type) #define va_copy(dest, src) __builtin_va_copy(dest,src)