null_ptr 1519 ext/mysqlnd/mysqlnd_wireprotocol.c zend_uchar *null_ptr, bit; null_ptr 1532 ext/mysqlnd/mysqlnd_wireprotocol.c null_ptr= p; null_ptr 1544 ext/mysqlnd/mysqlnd_wireprotocol.c if (*null_ptr & bit) { null_ptr 1592 ext/mysqlnd/mysqlnd_wireprotocol.c null_ptr++;