usleep           1352 ext/mysqlnd/mysqlnd_ps.c 		usleep(120000);
usleep            581 ext/opcache/ZendAccelerator.c 			usleep(20000);
usleep            586 ext/opcache/ZendAccelerator.c 			usleep(10000);
usleep           4703 ext/pgsql/pgsql.c 		usleep(10000);
usleep           4798 ext/pgsql/pgsql.c 		usleep(10000);
usleep           4856 ext/pgsql/pgsql.c 		usleep(10000);
usleep           4953 ext/pgsql/pgsql.c 		usleep(10000);
usleep           31621 ext/sqlite3/libsqlite/sqlite3.c   usleep(microseconds);
usleep           32194 ext/sqlite3/libsqlite/sqlite3.c         usleep(500000); /* wait 0.5 sec and try the lock again*/
usleep           32220 ext/sqlite3/libsqlite/sqlite3.c         usleep(10000000); /* wait 10 sec and try the lock again */
usleep           2706 ext/standard/basic_functions.c 	PHP_FE(usleep,															arginfo_usleep)
usleep           4479 ext/standard/basic_functions.c 	usleep(num);
usleep             67 ext/standard/uniqid.c 		usleep(1);
usleep            369 main/streams/plain_wrapper.c 					usleep(100000);
usleep           2777 sapi/litespeed/lsapilib.c             usleep( 100000 );
usleep            117 win32/time.c   	return usleep( rqtp->tv_sec * 1000000 + rqtp->tv_nsec / 1000  );
usleep             53 win32/time.h   PHPAPI int usleep(unsigned int useconds);
usleep              3 win32/unistd.h PHPAPI int usleep(unsigned int useconds);