CIE_color        1761 contrib/libtests/pngvalid.c    CIE_color red, green, blue; /* End points */
CIE_color        1777 contrib/libtests/pngvalid.c static CIE_color
CIE_color        1780 contrib/libtests/pngvalid.c    CIE_color white;
CIE_color        2842 contrib/libtests/pngvalid.c    CIE_color white = white_point(encoding);