diff --git a/reowolf_old.h b/reowolf_old.h
new file mode 100644
index 0000000000000000000000000000000000000000..50ccf082babecad2021b559b794e97a2c5606683
--- /dev/null
+++ b/reowolf_old.h
@@ -0,0 +1,147 @@
+/* CBindgen generated */
+
+#ifndef REOWOLF_HEADER_DEFINED
+#define REOWOLF_HEADER_DEFINED
+
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct Connector Connector;
+
+typedef uint32_t ControllerId;
+
+/**
+ * Provides a binding annotation for the port with the given index with "active":
+ * (The port will conenct to a "passive" port at the given address during connect())
+ * Returns:
+ * - 0 for success
+ * - 1 if the port was already bound and was left unchanged
+ * # Safety
+ * TODO
+ */
+int connector_bind_active(Connector *connector, unsigned int proto_port_index, const char *address);
+
+/**
+ * Provides a binding annotation for the port with the given index with "native":
+ * (The port is exposed for reading and writing from the application)
+ * Returns:
+ * # Safety
+ * TODO
+ */
+int connector_bind_native(Connector *connector, uintptr_t proto_port_index);
+
+/**
+ * Provides a binding annotation for the port with the given index with "native":
+ * (The port is exposed for reading and writing from the application)
+ * Returns:
+ * # Safety
+ * TODO
+ */
+int connector_bind_passive(Connector *connector,
+                           unsigned int proto_port_index,
+                           const char *address);
+
+/**
+ * Configures the given Reowolf connector with a protocol description in PDL.
+ * Returns:
+ * # Safety
+ * TODO
+ */
+int connector_configure(Connector *connector, char *pdl, char *main);
+
+/**
+ * Provides a binding annotation for the port with the given index with "active":
+ * (The port will conenct to a "passive" port at the given address during connect())
+ * Returns:
+ * - 0 SUCCESS: connected successfully
+ * - TODO error codes
+ * # Safety
+ * TODO
+ */
+int connector_connect(Connector *connector, uint64_t timeout_millis);
+
+/**
+ * Destroys the given connector, freeing its underlying resources.
+ * # Safety
+ * TODO
+ */
+void connector_destroy(Connector *connector);
+
+/**
+ * # Safety
+ * TODO
+ */
+int connector_dump_log(Connector *connector);
+
+/**
+ * Resets the error message buffer.
+ * Returns:
+ * - 0 if an error was cleared
+ * - 1 if there was no error to clear
+ * # Safety
+ * TODO
+ */
+int connector_error_clear(void);
+
+/**
+ * Returns a pointer into the error buffer for reading as a null-terminated string
+ * Returns null if there is no error in the buffer.
+ * # Safety
+ * TODO
+ */
+const char *connector_error_peek(void);
+
+/**
+ * Prepares to synchronously put a message at the given port, writing it to the given buffer.
+ * - 0 SUCCESS
+ * - 1 this port has the wrong direction
+ * - 2 this port is already marked to get
+ * # Safety
+ * TODO
+ */
+int connector_get(Connector *connector, unsigned int proto_port_index);
+
+/**
+ * # Safety
+ * TODO
+ */
+int connector_gotten(Connector *connector,
+                     unsigned int proto_port_index,
+                     const unsigned char **buf_ptr_outptr,
+                     unsigned int *len_outptr);
+
+/**
+ * Creates and returns Reowolf Connector structure allocated on the heap.
+ */
+Connector *connector_new(void);
+
+/**
+ * # Safety
+ * TODO
+ */
+int connector_next_batch(Connector *connector);
+
+/**
+ * Prepares to synchronously put a message at the given port, reading it from the given buffer.
+ * # Safety
+ * TODO
+ */
+int connector_put(Connector *connector,
+                  unsigned int proto_port_index,
+                  unsigned char *buf_ptr,
+                  unsigned int msg_len);
+
+/**
+ * # Safety
+ * TODO
+ */
+int connector_sync(Connector *connector, uint64_t timeout_millis);
+
+/**
+ * Creates and returns Reowolf Connector structure allocated on the heap.
+ */
+Connector *connector_with_controller_id(ControllerId controller_id);
+
+#endif /* REOWOLF_HEADER_DEFINED */