pdo_dbh_check_liveness_func  277 ext/pdo/php_pdo_driver.h typedef int (*pdo_dbh_check_liveness_func)(pdo_dbh_t *dbh);
pdo_dbh_check_liveness_func  310 ext/pdo/php_pdo_driver.h 	pdo_dbh_check_liveness_func	check_liveness;