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

- declare local functions static
- declare void functions void
- don't declare local functions in headers
- silence warnings about assignments in conditionals
- avoid implicit int
- silence warnings about unused arguments

--- ex_v.c~	2012-12-27 21:58:42.000000000 +0000
+++ ex_v.c
@@ -127,9 +127,10 @@ static char sccsid[] = "@(#)ex_v.c	1.14 
 
 JMP_BUF venv;
 
-int ovbeg __P((void));
-int setwind __P((void));
-int vok __P((cell *));
+static void ovbeg __P((void));
+static void ovend __P((ttymode f));
+static void setwind __P((void));
+static void vok __P((cell *));
 
 /*
  * Enter open mode
@@ -137,6 +138,7 @@ int vok __P((cell *));
 #ifdef u370
 cell	atube[TUBESIZE+LBSIZE];
 #endif
+void
 oop()
 {
 	register char *ic;
@@ -146,7 +148,7 @@ oop()
 	ttymode f;	/* mjm: was register */
 	int resize;
 
-	if (resize = SETJMP(venv)) {
+	if ((resize = SETJMP(venv)) != 0) {
 		setsize();
 		initev = (char *)0;
 		inopen = 0;
@@ -217,7 +219,8 @@ oop()
 #endif
 }
 
-ovbeg()
+static void
+ovbeg(void)
 {
 
 	if (!value(OPEN))
@@ -233,8 +236,8 @@ ovbeg()
 	dot = addr2;
 }
 
-ovend(f)
-	ttymode f;
+static void
+ovend(ttymode f)
 {
 
 	splitw++;
@@ -255,6 +258,7 @@ ovend(f)
 /*
  * Enter visual mode
  */
+void
 vop()
 {
 	register int c;
@@ -292,7 +296,7 @@ toopen:
 			goto toopen;
 		error(catgets(catd, 1, 214, "Visual requires scrolling"));
 	}
-	if (resize = SETJMP(venv)) {
+	if ((resize = SETJMP(venv)) != 0) {
 		setsize();
 		initev = (char *)0;
 		inopen = 0;
@@ -333,6 +337,7 @@ toopen:
  * empty buffer since routines internally
  * demand at least one line.
  */
+void
 fixzero()
 {
 
@@ -361,6 +366,7 @@ fixzero()
  * at some point, and then quit from the visual and undo
  * you get the old file back.  Somewhat weird.
  */
+void
 savevis()
 {
 
@@ -376,6 +382,7 @@ savevis()
  * Restore a sensible state after a visual/open, moving the saved
  * stuff back to [unddol,dol], and killing the partial line kill indicators.
  */
+void
 undvis()
 {
 
@@ -396,6 +403,7 @@ undvis()
  * Set the window parameters based on the base state bastate
  * and the available buffer space.
  */
+static void
 setwind()
 {
 
@@ -436,6 +444,7 @@ setwind()
  * If so, then divide the screen buffer up into lines,
  * and initialize a bunch of state variables before we start.
  */
+static void
 vok(atube)
 	register cell *atube;
 {
@@ -478,11 +487,13 @@ vok(atube)
 
 #ifdef CBREAK
 woid
-vintr(signum)
+vintr(int signum)
 {
 	extern JMP_BUF readbuf;
 	extern int doingread;
 
+	(void)signum;
+
 	signal(SIGINT, vintr);
 	if (vcatch)
 		onintr(SIGINT);
@@ -499,6 +510,7 @@ vintr(signum)
  * Set the size of the screen to size lines, to take effect the
  * next time the screen is redrawn.
  */
+void
 vsetsiz(size)
 	int size;
 {
@@ -517,8 +529,10 @@ vsetsiz(size)
 
 #ifdef	SIGWINCH
 woid
-onwinch(signum)
+onwinch(int signum)
 {
+	(void)signum;
+
 	vsave();
 	setty(normf);
 	LONGJMP(venv, 1);