NCHG
if (np->n_flag & NCHG) {
if (np->n_flag & NCHG) {
np->n_flag |= NCHG;
np->n_flag |= NCHG;
if (np->n_flag & NCHG) {
if (np->n_flag & NCHG) {
np->n_flag |= NCHG;
np->n_flag |= NCHG;
np->n_flag |= NCHG;
{ NCHG, 'C' },