puts("CDUP command not recognized, trying XCUP");
puts("CDUP command not recognized, trying XCUP.");
cdup(argc, argv)	int argc;	char *argv[];{	int r;	r = command("CDUP");	if (r == ERROR && code == 500) {		if (verbose)			puts("CDUP command not recognized, trying XCUP");		r = command("XCUP");	}	if (r == COMPLETE)		dirchange = 1;}