diff --git a/utils/magimail/src/shared/node4d.h b/utils/magimail/src/shared/node4d.h
new file mode 100644
index 0000000..df3c708
--- /dev/null
+++ b/utils/magimail/src/shared/node4d.h
@@ -0,0 +1,17 @@
+#ifndef NODE4D_H
+#define NODE4D_H
+
+#include <shared/types.h>
+
+struct Node4D
+{
+   uint16_t Zone,Net,Node,Point;
+};
+
+bool Parse4D(char *buf, struct Node4D *node);
+bool Parse4DTemplate(char *buf, struct Node4D *node,struct Node4D *tpl);
+void Copy4D(struct Node4D *node1,struct Node4D *node2);
+int Compare4D(struct Node4D *node1,struct Node4D *node2);
+void Print4D(struct Node4D *n4d,char *dest);
+
+#endif