diff --git a/include/memory.h b/include/memory.h
index c609db1..1f4a3da 100644
--- a/include/memory.h
+++ b/include/memory.h
@@ -2,5 +2,8 @@
 #define WHY2_MEMORY_H
 
 void *why2_malloc(unsigned long size);
+void *why2_calloc(unsigned long element, unsigned long size);
+
+void why2_free(void *pointer);
 
 #endif
\ No newline at end of file