Type Definition vulkan_sys::PFN_vkGetSwapchainCounterEXT

type PFN_vkGetSwapchainCounterEXT = Option<unsafe extern "system" fn(device: VkDevice, swapchain: VkSwapchainKHR, counter: VkSurfaceCounterFlagBitsEXT, pCounterValue: *mut u64) -> VkResult>;