BTREEMAGIC        179 libdb/bt_close.c 	m.magic = BTREEMAGIC;
BTREEMAGIC        249 libdb/bt_open.c 		if (m.magic == BTREEMAGIC)
BTREEMAGIC        260 libdb/bt_open.c 		if (m.magic != BTREEMAGIC || m.version != BTREEVERSION)