diff --git a/du2/program.c b/du2/program.c
index 378012c..1be5051 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -33,6 +33,10 @@ int read_pizza_list(struct pizza* list) {
     return counter;
 }
 
+
+int compare (const void* a, const void* b) {
+    
+}
 int main() {
     
     return 0;