pub type PFN_vkGetPhysicalDeviceQueueFamilyProperties = unsafe extern "system" fn(_physical_device: PhysicalDevice, _queue_family_property_count: *mut u32, _queue_family_properties: *mut QueueFamilyProperties);pub type PFN_vkGetPhysicalDeviceQueueFamilyProperties = unsafe extern "system" fn(_physical_device: PhysicalDevice, _queue_family_property_count: *mut u32, _queue_family_properties: *mut QueueFamilyProperties);