_XUnlockMutex(&db->linfo);
void XrmDestroyDatabase(    XrmDatabase   db){    register NTable table, next;    if (db) {	_XLockMutex(&db->linfo);	for (next = db->table; (table = next); ) {	    next = table->next;	    if (table->leaf)		DestroyLTable((LTable)table);	    else		DestroyNTable(table);	}	_XFreeMutex(&db->linfo);	(*db->methods->destroy)(db->mbstate);	Xfree((char *)db);    }}