Function vkCopyMemoryToAccelerationStructureKHR 

pub unsafe extern "system" fn vkCopyMemoryToAccelerationStructureKHR(
    device: VkDevice,
    deferredOperation: VkDeferredOperationKHR,
    pInfo: *const VkCopyMemoryToAccelerationStructureInfoKHR,
) -> VkResult

Available if built with prototypes.