getmntlast
static mountent_t *getmntlast(mountent_t *, char *, char *);
mp = getmntlast(mntll, NULL, resolve);
if ((mp = getmntlast(mntll, NULL, mname)) == NULL)
mp = getmntlast(mntll, mname, NULL);
lmp = getmntlast(mntll, NULL, mp->ment.mnt_mountp);
mp = getmntlast(mntll, NULL, cp); /* try anyways */
mp = getmntlast(mntll, NULL, resolve);