Changed bool to int

src/primzahl/main.c

@@ -1,7 +1,6 @@
 #include "primzahl.h"
 #include "../userinput.h"
 #include <stdio.h>
-#include <stdbool.h>
 
 int main() {
     int minInput = 0;

src/primzahl/primzahl.c

@@ -1,16 +1,15 @@
 #include <stdio.h>
-#include <stdbool.h>
 
-bool primzahl(int num) {
+int primzahl(int num) {
 	//for the case zero or one
 	if (num <= 1)
-		return false;
+		return 0;
 
 	//checking if there are any other divider
 	for (int i = 2; i < num; i++) {
 		if (num % i == 0)
-			return false;
+			return 0;
 	}
 	//if none were found return true
-	return true;
+	return 1;
 }

src/primzahl/primzahl.h

@@ -1,6 +1,6 @@
 #ifndef PRIMZAHL_H
 #define PRIMZAHL_H
 
-bool primzahl(int num);
+int primzahl(int num);
 
 #endif