From 3374508b1f7ff4ba04f4891c9d47bdec1c417267 Mon Sep 17 00:00:00 2001
From: neingeist <neingeist@bl0rg.net>
Date: Wed, 8 Jan 2020 15:23:35 +0100
Subject: [PATCH] =?UTF-8?q?=F0=9F=A7=B9=20use=20gcc=20-Wall=20and=20fix=20?=
 =?UTF-8?q?warnings?=
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---
 Makefile   | 1 +
 springer.c | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 490a320..c479e1f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
 TARGETS := springer
+CC := gcc -Wall
 
 all: $(TARGETS)
 
diff --git a/springer.c b/springer.c
index 275b078..43b613b 100644
--- a/springer.c
+++ b/springer.c
@@ -8,7 +8,7 @@
 int schachbrett[GROESSE][GROESSE];
 long int zurueck;
 
-int zeigebrett() {
+void zeigebrett() {
 	int y,x;
 	for (y=0;y<GROESSE;y++) {
 		for (x=0;x<GROESSE;x++) {
@@ -25,13 +25,13 @@ int gueltig(int x, int y) {
 		return 0;
 }
 
-int springe(int x, int y, int s) {
+void springe(int x, int y, int s) {
 	schachbrett[x][y] = s;
 
 	/* printf ("Zug %2d: %d %d\n",s,x,y); */
 
 	if (s==GROESSE*GROESSE) {
-		printf("yeah! %d Züge zurückgenommen!\n", zurueck);
+		printf("yeah! %ld Züge zurückgenommen!\n", zurueck);
 		zeigebrett();
 		exit(0);
 	}