ufs_dircheckforname
err = ufs_dircheckforname(dp, namep, namlen, &slot, &ip, cr, 0);
err = ufs_dircheckforname(tdp, namep, namlen, &slot, &tip, cr, noentry);
err = ufs_dircheckforname(tdp, namep, namlen, &slot, &tip, cr, 0);
error = ufs_dircheckforname(sdp, snm, strlen(snm), &slot,
extern int ufs_dircheckforname(struct inode *, char *, int,