pub unsafe extern "system" fn vkCopyImageToImageEXT(
device: VkDevice,
pCopyImageToImageInfo: *const VkCopyImageToImageInfoEXT,
) -> VkResultpub unsafe extern "system" fn vkCopyImageToImageEXT(
device: VkDevice,
pCopyImageToImageInfo: *const VkCopyImageToImageInfoEXT,
) -> VkResult