s->compressed_len = 0L;
void _tr_init(s)    deflate_state *s;{    tr_static_init();    s->compressed_len = 0L;    s->l_desc.dyn_tree = s->dyn_ltree;    s->l_desc.stat_desc = &static_l_desc;    s->d_desc.dyn_tree = s->dyn_dtree;    s->d_desc.stat_desc = &static_d_desc;    s->bl_desc.dyn_tree = s->bl_tree;    s->bl_desc.stat_desc = &static_bl_desc;    s->bi_buf = 0;    s->bi_valid = 0;    s->last_eob_len = 8; /* enough lookahead for inflate */#ifdef DEBUG    s->bits_sent = 0L;#endif    /* Initialize the first block of the first file: */    init_block(s);}