pub type PFN_vkGetPhysicalDeviceExternalFenceProperties = unsafe extern "system" fn(physical_device: PhysicalDevice, p_external_fence_info: *const PhysicalDeviceExternalFenceInfo, p_external_fence_properties: *mut ExternalFenceProperties);
pub type PFN_vkGetPhysicalDeviceExternalFenceProperties = unsafe extern "system" fn(physical_device: PhysicalDevice, p_external_fence_info: *const PhysicalDeviceExternalFenceInfo, p_external_fence_properties: *mut ExternalFenceProperties);