BOverlayNeedsPresent, ,IsOverlayEnabled, ,OverlayHookD3D3, ,SetNotificationInset, ,SetNotificationPosition, ,SteamOverlayIsUsingGamepad, ,SteamOverlayIsUsingKeyboard, ,SteamOverlayIsUsingMouse, ,ValveHookScreenshots, ,ValveIsScreenshotsHooked, ,VulkanSteamOverlayGetScaleFactors, ,VulkanSteamOverlayPresent, ,VulkanSteamOverlayProcessCapturedFrame.