739     unsigned more;    /* Amount of free space at the end of the window. */  in fill_window()  local
743         more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart);  in fill_window()
746         if (more == 0 && s->strstart == 0 && s->lookahead == 0) {  in fill_window()
747             more = wsize;  in fill_window()
749         } else if (more == (unsigned)(-1)) {  in fill_window()
753             more--;  in fill_window()
788             more += wsize;  in fill_window()
803         Assert(more >= 2, "more < 2");  in fill_window()
805         n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);  in fill_window()
813             Call UPDATE_HASH() MIN_MATCH-3 more times  in fill_window()
982                 Call UPDATE_HASH() MIN_MATCH-3 more times  in deflate_fast()