pub type PFN_vkCreateBuffer = unsafe extern "system" fn(_device: Device, _create_info: *const BufferCreateInfo, _allocator: *const AllocationCallbacks, _buffer: *mut Buffer) -> Result;pub type PFN_vkCreateBuffer = unsafe extern "system" fn(_device: Device, _create_info: *const BufferCreateInfo, _allocator: *const AllocationCallbacks, _buffer: *mut Buffer) -> Result;