ufs_chkiq
int ufs_chkiq(struct inode *, long, struct ucred *, int);
(void)ufs_chkiq(ip, -1, NOCRED, FORCE);
(error = ufs_chkiq(ip, 1, ucp, 0))) {
(error = ufs_chkiq(ip, 1, cnp->cn_cred, 0))) {
(error = ufs_chkiq(ip, 1, ucp, 0))) {
(error = ufs_chkiq(ip, 1, cnp->cn_cred, 0))) {
(void) ufs_chkiq(ip, -1, cred, CHOWN);
if ((error = ufs_chkiq(ip, 1, cred, CHOWN)) == 0)
(void) ufs_chkiq(ip, 1, cred, FORCE|CHOWN);