1119    if (png_ptr->num_trans > 0)  in png_init_palette_transformations()
1124       for (i=0; i<png_ptr->num_trans; ++i)  in png_init_palette_transformations()
1181               int i, istop = png_ptr->num_trans;  in png_init_palette_transformations()
1202    int input_has_transparency = png_ptr->num_trans > 0;  in png_init_rgb_transformations()
1402       png_ptr->num_trans = 0;  in png_init_read_transformations()
1677                if (i < (int)png_ptr->num_trans &&  in png_init_read_transformations()
1844       int istop = (int)png_ptr->num_trans;  in png_init_read_transformations()
1942          if (png_ptr->num_trans > 0)  in png_read_transform_info()
1949          info_ptr->num_trans = 0;  in png_read_transform_info()
1956          if (png_ptr->num_trans != 0)  in png_read_transform_info()
1964          info_ptr->num_trans = 0;  in png_read_transform_info()
2082       info_ptr->num_trans = 0;  in png_read_transform_info()
4206     png_const_colorp palette, png_const_bytep trans_alpha, int num_trans)  in png_do_expand_palette()  argument
4305             if (num_trans > 0)  in png_do_expand_palette()
4312                   if ((int)(*sp) >= num_trans)  in png_do_expand_palette()
4752              png_ptr->palette, png_ptr->trans_alpha, png_ptr->num_trans);  in png_do_read_transformations()
4757          if (png_ptr->num_trans != 0 &&  in png_do_read_transformations()
4857        ((png_ptr->num_trans != 0) ||  in png_do_read_transformations()