--- /dev/null
+#ifndef CEPH_ARMOR_H
+#define CEPH_ARMOR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int ceph_armor(char *dst, const char *dst_end,
+ const char *src, const char *end);
+
+int ceph_armor_linebreak(char *dst, const char *dst_end,
+ const char *src, const char *end,
+ int line_width);
+int ceph_unarmor(char *dst, const char *dst_end,
+ const char *src, const char *end);
+#ifdef __cplusplus
+}
+#endif
+
+#endif