1467          png_ptr->gamma_16_from_1, png_ptr->gamma_16_to_1,  in png_do_read_transformations()
2397                 png_ptr->gamma_16_from_1 != NULL)  in png_do_rgb_to_gray()
2422                      w = png_ptr->gamma_16_from_1[(gray16&0xff) >>  in png_do_rgb_to_gray()
2495                 png_ptr->gamma_16_from_1 != NULL)  in png_do_rgb_to_gray()
2520                      w = png_ptr->gamma_16_from_1[(gray16&0xff) >>  in png_do_rgb_to_gray()
2813    png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1,  in png_do_background()  argument
3224                if (gamma_16 != NULL && gamma_16_from_1 != NULL &&  in png_do_background()
3258                         w = gamma_16_from_1[(v&0xff) >> gamma_shift][v >> 8];  in png_do_background()
3381                if (gamma_16 != NULL && gamma_16_from_1 != NULL &&  in png_do_background()
3420                         x = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8];  in png_do_background()
3425                         x = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8];  in png_do_background()
3430                         x = gamma_16_from_1[(w & 0xff) >> gamma_shift][w >> 8];  in png_do_background()
4376         png_ptr->gamma_16_from_1 = (png_uint_16pp)png_calloc(png_ptr,  in png_build_gamma_table()
4381            png_ptr->gamma_16_from_1[i] = (png_uint_16p)png_malloc(png_ptr,  in png_build_gamma_table()
4389               png_ptr->gamma_16_from_1[i][j] =  in png_build_gamma_table()