Function steamworks_sys::SteamAPI_ISteamNetworking_IsDataAvailable

pub unsafe extern "C" fn SteamAPI_ISteamNetworking_IsDataAvailable(
    self_: *mut ISteamNetworking, 
    hListenSocket: SNetListenSocket_t, 
    pcubMsgSize: *mut uint32, 
    phSocket: *mut SNetSocket_t
) -> bool