98 #define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
172    (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \
256     s->hash_shift =  ((s->hash_bits+MIN_MATCH-1)/MIN_MATCH);  in zlib_deflateInit2()
545     s->match_length = s->prev_length = MIN_MATCH-1;  in lm_init()
816         if (s->lookahead >= MIN_MATCH) {  in fill_window()
819 #if MIN_MATCH != 3  in fill_window()
820             Call UPDATE_HASH() MIN_MATCH-3 more times  in fill_window()
944         if (s->lookahead >= MIN_MATCH) {  in deflate_fast()
961         if (s->match_length >= MIN_MATCH) {  in deflate_fast()
965                                s->match_length - MIN_MATCH);  in deflate_fast()
973                 s->lookahead >= MIN_MATCH) {  in deflate_fast()
988 #if MIN_MATCH != 3  in deflate_fast()
989                 Call UPDATE_HASH() MIN_MATCH-3 more times  in deflate_fast()
1039         if (s->lookahead >= MIN_MATCH) {  in deflate_slow()
1046         s->match_length = MIN_MATCH-1;  in deflate_slow()
1060                  (s->match_length == MIN_MATCH &&  in deflate_slow()
1066                 s->match_length = MIN_MATCH-1;  in deflate_slow()
1072         if (s->prev_length >= MIN_MATCH && s->match_length <= s->prev_length) {  in deflate_slow()
1073             uInt max_insert = s->strstart + s->lookahead - MIN_MATCH;  in deflate_slow()
1079 				   s->prev_length - MIN_MATCH);  in deflate_slow()
1094             s->match_length = MIN_MATCH-1;  in deflate_slow()