pub unsafe extern "C" fn SteamAPI_ISteamNetworkingMessages_SendMessageToUser(
    self_: *mut ISteamNetworkingMessages,
    identityRemote: *const SteamNetworkingIdentity,
    pubData: *const c_void,
    cubData: uint32,
    nSendFlags: c_int,
    nRemoteChannel: c_int
) -> EResult