1090    if (png_ptr->num_trans > 0)  in png_init_palette_transformations()
1095       for (i=0; i<png_ptr->num_trans; ++i)  in png_init_palette_transformations()
1146               int i, istop = png_ptr->num_trans;  in png_init_palette_transformations()
1167    int input_has_transparency = png_ptr->num_trans > 0;  in png_init_rgb_transformations()
1364       png_ptr->num_trans = 0;  in png_init_read_transformations()
1632                if (i < (int)png_ptr->num_trans &&  in png_init_read_transformations()
1798       int istop = (int)png_ptr->num_trans;  in png_init_read_transformations()
1893          if (png_ptr->num_trans > 0)  in png_read_transform_info()
1900          info_ptr->num_trans = 0;  in png_read_transform_info()
1904          if (png_ptr->num_trans)  in png_read_transform_info()
1912          info_ptr->num_trans = 0;  in png_read_transform_info()
2024       info_ptr->num_trans = 0;  in png_read_transform_info()
2114              png_ptr->palette, png_ptr->trans_alpha, png_ptr->num_trans);  in png_do_read_transformations()
2119          if (png_ptr->num_trans &&  in png_do_read_transformations()
2219        ((png_ptr->num_trans != 0) ||  in png_do_read_transformations()
4488    png_const_colorp palette, png_const_bytep trans_alpha, int num_trans)  in png_do_expand_palette()  argument
4587             if (num_trans > 0)  in png_do_expand_palette()
4594                   if ((int)(*sp) >= num_trans)  in png_do_expand_palette()