clearpilot: initial commit of full source

cereal/visionipc/ipc.h

@@ -0,0 +1,7 @@
+#pragma once
+#include <cstddef>
+
+int ipc_connect(const char* socket_path);
+int ipc_bind(const char* socket_path);
+int ipc_sendrecv_with_fds(bool send, int fd, void *buf, size_t buf_size, int* fds, int num_fds,
+                          int *out_num_fds);