Ultrix-3.1/src/cmd/tty.c

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/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*
 * Type tty name
 */

static char Sccsid[] = "@(#)tty.c 3.0 4/22/86";
char	*ttyname();

main(argc, argv)
char **argv;
{
	register char *p;

	p = ttyname(0);
	if(argc==2 && !strcmp(argv[1], "-s"))
		;
	else
		printf("%s\n", (p? p: "not a tty"));
	exit(p? 0: 1);
}