$NetBSD: patch-ex__unix_c,v 1.1 2012/12/28 03:03:09 dholland Exp $

- declare void functions void
- use const for string constants

--- ex_unix.c~	2003-09-03 19:53:02.000000000 +0000
+++ ex_unix.c
@@ -95,6 +95,7 @@ static char sccsid[] = "@(#)ex_unix.c	1.
  * First part of a shell escape,
  * parse the line, expanding # and % and ! and printing if implied.
  */
+void
 unix0(warn)
 	bool warn;
 {
@@ -217,7 +218,8 @@ uexp:
  */
 ttymode
 unixex(opt, up, newstdin, mode)
-	char *opt, *up;
+	const char *opt;
+	char *up;
 	int newstdin, mode;
 {
 	int pvec[2];
@@ -299,6 +301,7 @@ unixex(opt, up, newstdin, mode)
  * F is for restoration of tty mode if from open/visual.
  * C flags suppression of printing.
  */
+void
 unixwt(c, f)
 	bool c;
 	ttymode f;
@@ -328,6 +331,7 @@ unixwt(c, f)
  * the filter, then a child editor is created to write it.
  * If output is catch it from io which is created by unixex.
  */
+void
 filter(mode)
 	register int mode;
 {
@@ -391,6 +395,7 @@ filter(mode)
  * Set up to do a recover, getting io to be a pipe from
  * the recover process.
  */
+void
 recover()
 {
 	static int pvec[2];
@@ -420,6 +425,7 @@ recover()
 /*
  * Wait for the process (pid an external) to complete.
  */
+void
 waitfor()
 {
 	int stat = 0;
@@ -449,6 +455,7 @@ waitfor()
  * exits non-zero, force not edited; otherwise force
  * a write.
  */
+void
 revocer()
 {