Huw Davies (@huw) commented about dlls/rpcrt4/rpc_binding.h:
void RPCRT4_SetThreadCurrentConnection(RpcConnection *Connection) DECLSPEC_HIDDEN; void RPCRT4_SetThreadCurrentCallHandle(RpcBinding *Binding) DECLSPEC_HIDDEN; RpcBinding *RPCRT4_GetThreadCurrentCallHandle(void) DECLSPEC_HIDDEN; +RpcConnection *RPCRT4_GetThreadCurrentConnection(void) DECLSPEC_HIDDEN;
This doesn't seem to exist.