char_type         470 ext/gd/libgd/gd_gif_out.c #define tab_suffixof(i)        ((char_type*)(htab))[i]
char_type         471 ext/gd/libgd/gd_gif_out.c #define de_stack               ((char_type*)&tab_suffixof((code_int)1<<GIFBITS))