pub type PFN_vkGetPhysicalDeviceMemoryProperties = unsafe extern "system" fn(physical_device: PhysicalDevice, p_memory_properties: *mut PhysicalDeviceMemoryProperties);
pub type PFN_vkGetPhysicalDeviceMemoryProperties = unsafe extern "system" fn(physical_device: PhysicalDevice, p_memory_properties: *mut PhysicalDeviceMemoryProperties);