Lines Matching refs:NIL
416 Posf *head; /* Heads of the hash chains or NIL. */
714 #define NIL 0
802 s->head[s->hash_size-1] = NIL; \
1338 s->strstart - (IPos)MAX_DIST(s) : NIL;
1600 *p = (Pos)(m >= wsize ? m-wsize : NIL);
1608 *p = (Pos)(m >= wsize ? m-wsize : NIL);
1739 IPos hash_head = NIL; /* head of the hash chain */
1766 if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) {
1834 IPos hash_head = NIL; /* head of hash chain */
1864 if (hash_head != NIL && s->prev_length < s->max_lazy_match &&