Function steamworks_sys::SteamAPI_ISteamFriends_GetFriendRichPresenceKeyByIndex

pub unsafe extern "C" fn SteamAPI_ISteamFriends_GetFriendRichPresenceKeyByIndex(
    self_: *mut ISteamFriends,
    steamIDFriend: uint64_steamid,
    iKey: c_int
) -> *const c_char