Apps: Use the new %p in printf()

apps/src/init.c

@@ -28,7 +28,7 @@ int main()
     {
         char* variable = malloc(200);
         *variable = 3;
-        printf("Allocated variable at address %lx\n", (unsigned long int)variable);
+        printf("Allocated variable at address %p\n", variable);
         free(variable);
     }
 

apps/src/memeater.c

@@ -12,7 +12,7 @@ int main()
     sleep(1);
     void* allocated = malloc(CHUNK);
     do {
-        printf("Allocating 4 MB of memory... %lx\n", (unsigned long)allocated);
+        printf("Allocating 4 MB of memory... %p\n", allocated);
         sleep(1);
     } while ((allocated = malloc(CHUNK)));
     perror("malloc");