Lines Matching defs:NIL
380 Posf *head; /* Heads of the hash chains or NIL. */
639 #define NIL 0
718 s->head[s->hash_size-1] = NIL; \
1280 s->strstart - (IPos)MAX_DIST(s) : NIL;
1488 *p = (Pos)(m >= wsize ? m-wsize : NIL);
1495 *p = (Pos)(m >= wsize ? m-wsize : NIL);
1628 IPos hash_head = NIL; /* head of the hash chain */
1655 if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) {
1721 IPos hash_head = NIL; /* head of hash chain */
1751 if (hash_head != NIL && s->prev_length < s->max_lazy_match &&