pub type PFN_vkCreateSemaphore = unsafe extern "system" fn(_device: Device, _create_info: *const SemaphoreCreateInfo, _allocator: *const AllocationCallbacks, _semaphore: *mut Semaphore) -> Result;pub type PFN_vkCreateSemaphore = unsafe extern "system" fn(_device: Device, _create_info: *const SemaphoreCreateInfo, _allocator: *const AllocationCallbacks, _semaphore: *mut Semaphore) -> Result;