Lines Matching defs:NIL
255 Posf *head; /* Heads of the hash chains or NIL. */
478 #define NIL 0
575 s->head[s->hash_size-1] = NIL; \
949 s->strstart - (IPos)MAX_DIST(s) : NIL;
1151 *p = (Pos)(m >= wsize ? m-wsize : NIL);
1158 *p = (Pos)(m >= wsize ? m-wsize : NIL);
1230 IPos hash_head = NIL; /* head of the hash chain */
1258 if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) {
1326 IPos hash_head = NIL; /* head of hash chain */
1355 if (hash_head != NIL && s->prev_length < s->max_lazy_match &&