Function steamworks_sys::SteamAPI_ISteamUGC_GetItemUpdateProgress

pub unsafe extern "C" fn SteamAPI_ISteamUGC_GetItemUpdateProgress(
    self_: *mut ISteamUGC, 
    handle: UGCUpdateHandle_t, 
    punBytesProcessed: *mut uint64, 
    punBytesTotal: *mut uint64
) -> EItemUpdateStatus