NIL               588 net/zlib.c         s->head[s->hash_size-1] = NIL; \
NIL               962 net/zlib.c             s->strstart - (IPos)MAX_DIST(s) : NIL;
NIL              1164 net/zlib.c                     *p = (Pos)(m >= wsize ? m-wsize : NIL);
NIL              1171 net/zlib.c                     *p = (Pos)(m >= wsize ? m-wsize : NIL);
NIL              1243 net/zlib.c         IPos hash_head = NIL; /* head of the hash chain */
NIL              1271 net/zlib.c             if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) {
NIL              1339 net/zlib.c         IPos hash_head = NIL;    /* head of hash chain */
NIL              1368 net/zlib.c             if (hash_head != NIL && s->prev_length < s->max_lazy_match &&