#include <xview/xview.h>

main(argc, argv)
char **argv;
{
    Display *dpy;
    Frame frame;
    xv_init(XV_INIT_ARGC_PTR_ARGV, &argc, argv,
	    NULL);
    frame = xv_create(NULL, FRAME);
    dpy = (Display *)xv_get(frame, XV_DISPLAY);
    if (DefaultDepth(dpy, DefaultScreen(dpy) ) < 2) {
	printf("B/W display\n");
    } else {
	printf("color display\n");
    }
}