MAXCODE           450 ext/gd/libgd/gd_gif_out.c # define MAXCODE(n_bits)        ((code_int) 1 << (n_bits) - 1)
MAXCODE           452 ext/gd/libgd/gd_gif_out.c # define MAXCODE(n_bits)        (((code_int) 1 << (n_bits)) - 1)