-va_arg bits/stdarg.h d #define va_arg(ap, type) ( ((ap) = (va_list)((char *)(ap) + __VA_ALIGNED_SIZE(type))), *(type *)(void *)((char *)(ap) - __VA_ALIGNED_SIZE(type)) )
-va_copy bits/stdarg.h d #define va_copy(dest, src) ((dest) = (src))
-va_end bits/stdarg.h d #define va_end(ap) ((void)0)