diff --git a/lib/com_err/com_right.h b/lib/com_err/com_right.h
new file mode 100644
index 000000000..48da9e06f
--- /dev/null
+++ b/lib/com_err/com_right.h
@@ -0,0 +1,17 @@
+/* $Id$ */
+
+#ifndef __ERROR_H__
+#define __ERROR_H__
+
+struct error_table {
+    char const * const * msgs;
+    long base;
+    int n_msgs;
+};
+
+struct error_list {
+    struct error_list *next;
+    const struct error_table * table;
+};
+
+#endif /* __ERROR_H__ */
diff --git a/lib/com_err/error.h b/lib/com_err/error.h
new file mode 100644
index 000000000..48da9e06f
--- /dev/null
+++ b/lib/com_err/error.h
@@ -0,0 +1,17 @@
+/* $Id$ */
+
+#ifndef __ERROR_H__
+#define __ERROR_H__
+
+struct error_table {
+    char const * const * msgs;
+    long base;
+    int n_msgs;
+};
+
+struct error_list {
+    struct error_list *next;
+    const struct error_table * table;
+};
+
+#endif /* __ERROR_H__ */
diff --git a/lib/error/error.h b/lib/error/error.h
new file mode 100644
index 000000000..48da9e06f
--- /dev/null
+++ b/lib/error/error.h
@@ -0,0 +1,17 @@
+/* $Id$ */
+
+#ifndef __ERROR_H__
+#define __ERROR_H__
+
+struct error_table {
+    char const * const * msgs;
+    long base;
+    int n_msgs;
+};
+
+struct error_list {
+    struct error_list *next;
+    const struct error_table * table;
+};
+
+#endif /* __ERROR_H__ */