Function steamworks_sys::SteamAPI_ISteamMatchmaking_GetLobbyMemberData

pub unsafe extern "C" fn SteamAPI_ISteamMatchmaking_GetLobbyMemberData(
    self_: *mut ISteamMatchmaking, 
    steamIDLobby: uint64_steamid, 
    steamIDUser: uint64_steamid, 
    pchKey: *const c_char
) -> *const c_char