#ifndef lint
/*static char sccsid[] = "from: @(#)arithmetic.c 5.5 (Berkeley) 2/27/91";*/
-static char rcsid[] = "$Id: arithmetic.c,v 1.3 1993/08/01 18:57:22 mycroft Exp $";
+static char rcsid[] = "$Id: arithmetic.c,v 1.4 1995/02/28 18:30:59 jtc Exp $";
#endif /* not lint */
/*
*/
#include <sys/types.h>
-#include <sys/signal.h>
+#include <signal.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>