50 /* Bit length codes must not exceed MAX_BL_BITS bits */
75 /* The lengths of the bit length codes are sent in order of decreasing
76  * probability, to avoid transmitting the lengths for unused bit length codes.
85  * need for the L_CODES extra codes used during heap construction. However
86  * The codes 286 and 287 are needed to build a canonical tree (see zlib_tr_init
91 /* The static distance tree. (Actually a trivial tree since all codes use
96 /* distance codes. The first 256 values correspond to the distances
115     int     max_length;          /* max bit length for the codes */
180     /* number of codes at each bit length for an optimal tree */  in tr_static_init()
217     /* Construct the codes of the static literal tree */  in tr_static_init()
224     /* Codes 286 and 287 do not exist, but we must include them in the  in tr_static_init()
434  * Generate the codes for a given tree and bit counts (which need not be
444 	ush *bl_count             /* number of codes at each bit length */  in gen_codes()
514      * two codes of non zero frequency.  in build_tree()
564     /* The field len is now set, we can generate the bit codes */  in build_tree()
569  * Scan a literal or distance tree to determine the frequencies of the codes
615  * Send a literal or distance tree in compressed form, using the codes in
683      * the lengths of the bit lengths codes and the 5+5+4 bits for the counts.  in build_bl_tree()
686     /* Determine the number of bit length codes to send. The pkzip format  in build_bl_tree()
687      * requires that at least 4 bit length codes be sent. (appnote.txt says  in build_bl_tree()
703  * lengths of the bit length codes, the literal tree and the distance tree.
708 	int lcodes,  /* number of codes for each tree */  in send_all_trees()
709 	int dcodes,  /* number of codes for each tree */  in send_all_trees()
710 	int blcodes  /* number of codes for each tree */  in send_all_trees()
715     Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes");  in send_all_trees()
717             "too many codes");  in send_all_trees()
768  * last two codes for the previous block (real code plus EOB) were coded