mpage_touch
if (modify && (mp = mpage_touch(bt, mp)) == NULL)
if ((mp = mpage_touch(bt, mp)) == NULL)
static struct mpage *mpage_touch(struct btree *bt, struct mpage *mp);
if ((src = mpage_touch(bt, src)) == NULL ||
(dst = mpage_touch(bt, dst)) == NULL)
if ((mp = mpage_touch(bt, mp)) == NULL)
if ((src = mpage_touch(bt, src)) == NULL ||
(dst = mpage_touch(bt, dst)) == NULL)