diff --git a/codegen/manual_client.cpp b/codegen/manual_client.cpp
index 4dce023..5122f6a 100755
--- a/codegen/manual_client.cpp
+++ b/codegen/manual_client.cpp
@@ -24,6 +24,8 @@ extern int rpc_wait_for_response(const int index);
 extern int rpc_read(const int index, void *data, const std::size_t size);
 extern int rpc_end_response(const int index, void *return_value);
 extern int rpc_close();
+void* maybe_get_cached_arg_ptr(const int index, int arg_index, void* arg);
+void cuda_memcpy_unified_ptrs(const int index, cudaMemcpyKind kind);
 
 #define MAX_FUNCTION_NAME 1024
 #define MAX_ARGS 128