xref: /original-bsd/lib/libc/gen/ctermid.c (revision bac379f5) 
1 /*-
2  * Copyright (c) 1990, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #if defined(LIBC_SCCS) && !defined(lint)
9 static char sccsid[] = "@(#)ctermid.c	8.1 (Berkeley) 06/04/93";
10 #endif /* LIBC_SCCS and not lint */
11 
12 #include <stdio.h>
13 #include <paths.h>
14 #include <string.h>
15 
16 char *
ctermid(s)17 ctermid(s)
18 	char *s;
19 {
20 	static char def[] = _PATH_TTY;
21 
22 	if (s) {
23 		bcopy(def, s, sizeof(_PATH_TTY));
24 		return(s);
25 	}
26 	return(def);
27 }
28