_tr_tally
int ZLIB_INTERNAL _tr_tally(deflate_state *s, unsigned dist, unsigned lc);
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
flush = _tr_tally(s, distance, length)
int ZLIB_INTERNAL _tr_tally(deflate_state *s, unsigned dist, unsigned lc);
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
flush = _tr_tally(s, distance, length)