nl_tokens: Initialize the tree data structures for a new zlib stream .
pl_tokens: <mask> tr_init ( ) { l_desc . dyn_tree = dyn_ltree ; l_desc . stat_desc = StaticTree . static_l_desc ; d_desc . dyn_tree = dyn_dtree ; d_desc . stat_desc = StaticTree . static_d_desc ; bl_desc . dyn_tree = bl_tree ; bl_desc . stat_desc = StaticTree . static_bl_desc ; bi_buf = 0 ; bi_valid = 0 ; last_eob_len = 8 ; // enough lookahead for inflate // Initialize the first block of the first file: init_block ( ) ; }