pub type PFN_vkGetPhysicalDeviceSurfaceFormatsKHR = unsafe extern "system" fn(physical_device: PhysicalDevice, surface: SurfaceKHR, p_surface_format_count: *mut u32, p_surface_formats: *mut SurfaceFormatKHR) -> Result;
pub type PFN_vkGetPhysicalDeviceSurfaceFormatsKHR = unsafe extern "system" fn(physical_device: PhysicalDevice, surface: SurfaceKHR, p_surface_format_count: *mut u32, p_surface_formats: *mut SurfaceFormatKHR) -> Result;