va_copy
va_copy(ap_new, ap);
va_copy(ap_new, ap);
va_copy(ap_new, ap);
va_copy(ap_new, ap);
va_copy(ap_new, ap);
va_copy(ap_new, ap);
va_copy(orgap, ap);
va_copy(orgap, ap);
# define VA_COPY(dest, src) va_copy(dest, src)
va_copy(eap, sap);
va_copy(aq, ap);
va_copy(tmp, args);
va_copy(ap_copy, ap);
va_copy(vacopy, va);