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diff --git a/odr/odr_enum.c b/odr/odr_enum.c
new file mode 100644
index 0000000..078593d
--- /dev/null
+++ b/odr/odr_enum.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 1995-1998, Index Data
+ * See the file LICENSE for details.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Log: odr_enum.c,v $
+ * Revision 1.1  1998-03-20 14:45:01  adam
+ * Implemented odr_enum and odr_set_of.
+ *
+ */
+
+#include <odr.h>
+#include <prt.h>
+
+/*
+ * Top level enum en/decoder.
+ * Returns 1 on success, 0 on error.
+ */
+int odr_enum(ODR o, int **p, int opt)
+{
+    int res, cons = 0;
+
+    if (o->error)
+        return 0;
+    if (o->t_class < 0)
+    {
+        o->t_class = ODR_UNIVERSAL;
+        o->t_tag = ODR_ENUM;
+    }
+    if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, opt)) < 0)
+        return 0;
+    if (!res)
+        return opt;
+    if (o->direction == ODR_PRINT)
+    {
+        fprintf(o->print, "%s%d\n", odr_indent(o), **p);
+        return 1;
+    }
+    if (cons)
+    {
+        o->error = OPROTO;
+        return 0;
+    }
+    if (o->direction == ODR_DECODE)
+        *p = (int *)odr_malloc(o, sizeof(int));
+    return ber_integer(o, *p);
+}