__bt_open
return (__bt_open(fname, flags & USE_OPEN_FLAGS,
DB *__bt_open __P((const char *, int, int, const BTREEINFO *, int));
dbp = __bt_open(openinfo->bfname,
dbp = __bt_open(NULL, O_RDWR | O_BINARY, S_IRUSR | S_IWUSR, NULL, dflags);