th_info *		T_PTR
th_huff_code *		T_PTR
th_img_plane *		T_PTR
th_quant_info *		T_PTR
th_quant_ranges *	T_PTR
th_stripe_callback *	T_PTR
th_ycbcr_buffer *  	T_PTR
th_comment *		T_PTR
th_setup_info *		T_PTR
th_dec_ctx *  		T_PTR
th_enc_ctx *  		T_PTR

ogg_packet *		T_PTR
ogg_uint32_t		T_IV
ogg_int64_t		T_NV

