diff --git a/headers/private/input/cbuf_adapter.h b/headers/private/input/cbuf_adapter.h
new file mode 100644
index 0000000000..d3f322d774
--- /dev/null
+++ b/headers/private/input/cbuf_adapter.h
@@ -0,0 +1,36 @@
+#ifndef __CBUF_ADAPTER_H
+#define __CBUF_ADAPTER_H
+
+#include <SupportDefs.h>
+
+struct cbuffer_t;
+typedef struct cbuffer_t cbuffer;
+
+size_t cbuf_getn_no_lock(cbuffer *, char *, size_t);
+size_t cbuf_putn_no_lock(cbuffer *, char *, size_t);
+cbuffer *cbuf_init(size_t size);
+void cbuf_delete(cbuffer *buffer);
+char cbuf_get(cbuffer *);
+bool cbuf_mt(cbuffer *);
+bool cbuf_full(cbuffer *);
+status_t cbuf_put(cbuffer *, char);
+status_t cbuf_unput(cbuffer *);
+void cbuf_flush(cbuffer *);
+size_t cbuf_size(cbuffer *);
+size_t cbuf_avail(cbuffer *);
+size_t cbuf_free(cbuffer *);
+size_t cbuf_putn(cbuffer *, char *, size_t num_bytes);
+size_t cbuf_getn(cbuffer *, char *, size_t num_bytes);
+cpu_status cbuf_lock(cbuffer *);
+void cbuf_unlock(cbuffer *, cpu_status);
+
+#define cbuf cbuffer
+#define cbuf_get_chain(size) cbuf_init(size)
+#define cbuf_free_chain(chain) cbuf_delete(chain)
+#define cbuf_memcpy_from_chain(dest, chain, offset, size) \
+	(cbuf_getn(chain, dest, size) - size)
+#define cbuf_memcpy_to_chain(chain, offset, source, size) \
+	(cbuf_putn(chain, source, size) - size)
+
+
+#endif