MICRO_IN_SEC       68 ext/standard/microtime.c 		RETURN_DOUBLE((double)(tp.tv_sec + tp.tv_usec / MICRO_IN_SEC));
MICRO_IN_SEC       87 ext/standard/microtime.c 		snprintf(ret, 100, "%.8F %ld", tp.tv_usec / MICRO_IN_SEC, tp.tv_sec);