int *width_ret, int *height_ret,
unsigned long **pixels_ret, int *npixels_ret,
unsigned char **mask_ret)
{
int w, w8, h, ncolors, nbytes;
char c;
int *width_ret, int *height_ret,
unsigned long **pixels_ret, int *npixels_ret,
unsigned char **mask_ret)
{
int w, w8, h, ncolors, nbytes;
char c;