Function steamworks_sys::SteamAPI_ISteamUserStats_AttachLeaderboardUGC

pub unsafe extern "C" fn SteamAPI_ISteamUserStats_AttachLeaderboardUGC(
    self_: *mut ISteamUserStats, 
    hSteamLeaderboard: SteamLeaderboard_t, 
    hUGC: UGCHandle_t
) -> SteamAPICall_t