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From: ken@turtleva.UUCP (Ken Turkowski)
Newsgroups: net.sources
Subject: Graphics source in C: hsalgs/aedclear.c
Message-ID: <274@turtleva.UUCP>
Date: Thu, 15-Dec-83 20:54:53 EST
Article-I.D.: turtleva.274
Posted: Thu Dec 15 20:54:53 1983
Date-Received: Sun, 18-Dec-83 23:28:54 EST
Lines: 31

echo x - hsalgs/aedclear.c
cat >hsalgs/aedclear.c <<'!Funky!Stuff!'
#define AEDDEV	"/dev/ttyh7"
#define MODE	1

main(argc, argv)
int argc;
char **argv;
{
	int color;
	int fd;
	char *clrstr;

	if (argc == 1) {
	    printf("Screen clear color (decimal): ");
	    scanf("%d", &color);
	}
	else {
	    sscanf(argv[1], "%d", &color);
	}

	if ((fd = open(AEDDEV, MODE)) < 0) {
	    printf("AED not available\n");
	    exit(-1);
	}

	clrstr = "\033[x\f";
	clrstr[2] = color;
	write(fd, clrstr, 4);
}
!Funky!Stuff!