pub type vkDestroyFramebufferFn = unsafe extern "stdcall" fn(device: VkDevice, framebuffer: VkFramebuffer, pAllocator: *const VkAllocationCallbacks);pub type vkDestroyFramebufferFn = unsafe extern "stdcall" fn(device: VkDevice, framebuffer: VkFramebuffer, pAllocator: *const VkAllocationCallbacks);