display_rc       1166 contrib/libtests/pngunknown.c          int count = display_rc(&d, strict), new_count;
display_rc       1175 contrib/libtests/pngunknown.c          new_count = display_rc(&d, strict);
display_rc       1191 contrib/libtests/pngunknown.c    if (display_rc(&d, strict) == 0)