1 files changed, 41 insertions, 42 deletions

diff --git a/backgammon/teachgammon/tutor.c b/backgammon/teachgammon/tutor.c
index 497191ee..06b4d114 100644
--- a/backgammon/teachgammon/tutor.c
+++ b/backgammon/teachgammon/tutor.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tutor.c,v 1.3 1995/03/21 15:06:27 cgd Exp $	*/
+/*	$NetBSD: tutor.c,v 1.4 1997/10/10 08:59:54 lukem Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -33,26 +33,24 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)tutor.c	8.1 (Berkeley) 5/31/93";
 #else
-static char rcsid[] = "$NetBSD: tutor.c,v 1.3 1995/03/21 15:06:27 cgd Exp $";
+__RCSID("$NetBSD: tutor.c,v 1.4 1997/10/10 08:59:54 lukem Exp $");
 #endif
-#endif /* not lint */
+#endif				/* not lint */
 
 #include "back.h"
 #include "tutor.h"
 
-extern int	maxmoves;
-extern char	*finis[];
+static char better[] = "That is a legal move, but there is a better one.\n";
 
-extern struct situatn	test[];
-
-static char	better[] = "That is a legal move, but there is a better one.\n";
-
-tutor ()  {
-	register int	i, j;
+void
+tutor()
+{
+	int     i, j;
 
 	i = 0;
 	begscr = 18;
@@ -68,40 +66,39 @@ tutor ()  {
 	colen = 5;
 	wrboard();
 
-	while (1)  {
-		if (! brdeq(test[i].brd,board))  {
+	while (1) {
+		if (!brdeq(test[i].brd, board)) {
 			if (tflag && curr == 23)
-				curmove (18,0);
-			writel (better);
+				curmove(18, 0);
+			writel(better);
 			nexturn();
-			movback (mvlim);
-			if (tflag)  {
+			movback(mvlim);
+			if (tflag) {
 				refresh();
-				clrest ();
+				clrest();
 			}
-			if ((! tflag) || curr == 19)  {
+			if ((!tflag) || curr == 19) {
 				proll();
-				writec ('\t');
-			}
-			else
-				curmove (curr > 19? curr-2: curr+4,25);
+				writec('\t');
+			} else
+				curmove(curr > 19 ? curr - 2 : curr + 4, 25);
 			getmove();
 			if (cturn == 0)
 				leave();
 			continue;
 		}
 		if (tflag)
-			curmove (18,0);
-		text (*test[i].com);
-		if (! tflag)
-			writec ('\n');
+			curmove(18, 0);
+		text(*test[i].com);
+		if (!tflag)
+			writec('\n');
 		if (i == maxmoves)
 			break;
 		D0 = test[i].roll1;
 		D1 = test[i].roll2;
 		d0 = 0;
 		mvlim = 0;
-		for (j = 0; j < 4; j++)  {
+		for (j = 0; j < 4; j++) {
 			if (test[i].mp[j] == test[i].mg[j])
 				break;
 			p[j] = test[i].mp[j];
@@ -111,7 +108,7 @@ tutor ()  {
 		if (mvlim)
 			for (j = 0; j < mvlim; j++)
 				if (makmove(j))
-					writel ("AARGH!!!\n");
+					writel("AARGH!!!\n");
 		if (tflag)
 			refresh();
 		nexturn();
@@ -120,7 +117,7 @@ tutor ()  {
 		d0 = 0;
 		i++;
 		mvlim = movallow();
-		if (mvlim)  {
+		if (mvlim) {
 			if (tflag)
 				clrest();
 			proll();
@@ -135,27 +132,29 @@ tutor ()  {
 	leave();
 }
 
-clrest ()  {
-	register int	r, c, j;
+void
+clrest()
+{
+	int     r, c, j;
 
 	r = curr;
 	c = curc;
-	for (j = r+1; j < 24; j++)  {
-		curmove (j,0);
+	for (j = r + 1; j < 24; j++) {
+		curmove(j, 0);
 		cline();
 	}
-	curmove (r,c);
+	curmove(r, c);
 }
 
-brdeq (b1,b2)
-register int  *b1, *b2;
-
+int
+brdeq(b1, b2)
+	int    *b1, *b2;
 {
-	register int  *e;
+	int    *e;
 
-	e = b1+26;
+	e = b1 + 26;
 	while (b1 < e)
 		if (*b1++ != *b2++)
-			return(0);
-	return(1);
+			return (0);
+	return (1);
 }