1116    if (png_ptr->num_trans > 0)  in png_init_palette_transformations()
1121       for (i=0; i<png_ptr->num_trans; ++i)  in png_init_palette_transformations()
1178               int i, istop = png_ptr->num_trans;  in png_init_palette_transformations()
1199    int input_has_transparency = png_ptr->num_trans > 0;  in png_init_rgb_transformations()
1399       png_ptr->num_trans = 0;  in png_init_read_transformations()
1674                if (i < (int)png_ptr->num_trans &&  in png_init_read_transformations()
1841       int istop = (int)png_ptr->num_trans;  in png_init_read_transformations()
1939          if (png_ptr->num_trans > 0)  in png_read_transform_info()
1946          info_ptr->num_trans = 0;  in png_read_transform_info()
1953          if (png_ptr->num_trans != 0)  in png_read_transform_info()
1961          info_ptr->num_trans = 0;  in png_read_transform_info()
2079       info_ptr->num_trans = 0;  in png_read_transform_info()
4198    png_const_colorp palette, png_const_bytep trans_alpha, int num_trans)  in png_do_expand_palette()  argument
4297             if (num_trans > 0)  in png_do_expand_palette()
4304                   if ((int)(*sp) >= num_trans)  in png_do_expand_palette()
4742              png_ptr->palette, png_ptr->trans_alpha, png_ptr->num_trans);  in png_do_read_transformations()
4747          if (png_ptr->num_trans != 0 &&  in png_do_read_transformations()
4847        ((png_ptr->num_trans != 0) ||  in png_do_read_transformations()