translate_gamma_flags  285 pngrtran.c        output_gamma = translate_gamma_flags(png_ptr, output_gamma, 1/*screen*/);
translate_gamma_flags  809 pngrtran.c        scrn_gamma = translate_gamma_flags(png_ptr, scrn_gamma, 1/*screen*/);
translate_gamma_flags  810 pngrtran.c        file_gamma = translate_gamma_flags(png_ptr, file_gamma, 0/*file*/);