null_ptr 1486 ext/mysqlnd/mysqlnd_wireprotocol.c zend_uchar * null_ptr, bit; null_ptr 1499 ext/mysqlnd/mysqlnd_wireprotocol.c null_ptr= p; null_ptr 1519 ext/mysqlnd/mysqlnd_wireprotocol.c if (*null_ptr & bit) { null_ptr 1567 ext/mysqlnd/mysqlnd_wireprotocol.c null_ptr++;