2 files changed, 19 insertions, 2 deletions

diff --git a/src/util/macro.h b/src/util/macro.h
new file mode 100644
index 0000000..abe2c5f
--- /dev/null
+++ b/src/util/macro.h
@@ -0,0 +1,14 @@
+/*
+ * ecgen, tool for generating Elliptic curve domain parameters
+ * Copyright (C) 2017 J08nY
+ */
+/**
+ * @file macro.h
+ */
+#ifndef ECGEN_MACRO_H
+#define ECGEN_MACRO_H
+
+#define VA_NARGS_IMPL(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
+#define VA_NARGS(...) VA_NARGS_IMPL(__VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
+
+#endif  // ECGEN_MACRO_H
diff --git a/src/util/memory.h b/src/util/memory.h
index fef237e..8b85a3d 100644
--- a/src/util/memory.h
+++ b/src/util/memory.h
@@ -2,11 +2,14 @@
  * ecgen, tool for generating Elliptic curve domain parameters
  * Copyright (C) 2017 J08nY
  */
-#include <stddef.h>
-
+/**
+ * @file memory.h
+ */
 #ifndef ECGEN_MEMORY_H
 #define ECGEN_MEMORY_H
 
+#include <stddef.h>
+
 /**
  * @brief
  * @param size