diff --git a/include_std/stdlib.h b/include_std/stdlib.h
index 3d95cab..01bfa10 100644
--- a/include_std/stdlib.h
+++ b/include_std/stdlib.h
@@ -18,4 +18,18 @@
 #ifndef _STDLIB_H
 #define _STDLIB_H
 
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+   void *malloc(__SIZE_TYPE__ Size);
+   void *calloc(__SIZE_TYPE__ n, __SIZE_TYPE__ Size);
+   void *realloc(void *Address, __SIZE_TYPE__ Size);
+   void free(void *Address);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif // !_STDLIB_H