===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/vis/vis.c,v
retrieving revision 1.20
retrieving revision 1.21
diff -c -r1.20 -r1.21
*** src/usr.bin/vis/vis.c	2016/08/31 09:45:00	1.20
--- src/usr.bin/vis/vis.c	2020/08/03 01:08:37	1.21
***************
*** 1,4 ****
! /*	$OpenBSD: vis.c,v 1.20 2016/08/31 09:45:00 jsg Exp $	*/
  /*	$NetBSD: vis.c,v 1.4 1994/12/20 16:13:03 jtc Exp $	*/
  
  /*-
--- 1,4 ----
! /*	$OpenBSD: vis.c,v 1.21 2020/08/03 01:08:37 deraadt Exp $	*/
  /*	$NetBSD: vis.c,v 1.4 1994/12/20 16:13:03 jtc Exp $	*/
  
  /*-
***************
*** 130,139 ****
  process(FILE *fp)
  {
  	static int col = 0;
! 	char *cp = "\0"+1;	/* so *(cp-1) starts out != '\n' */
  	int c, rachar; 
  	char buff[5];
  	
  	c = getc(fp);
  	while (c != EOF) {
  		rachar = getc(fp);
--- 130,140 ----
  process(FILE *fp)
  {
  	static int col = 0;
! 	char *cp = "\0";
  	int c, rachar; 
  	char buff[5];
  	
+ 	cp++;			/* so *(cp-1) starts out != '\n' */
  	c = getc(fp);
  	while (c != EOF) {
  		rachar = getc(fp);