const golang.org/x/sys/unix.FICLONE

2 uses

	golang.org/x/sys/unix (current package)
		ioctl_linux.go#L89: 	return ioctl(destFd, FICLONE, uintptr(srcFd))
		zerrors_linux_amd64.go#L77: 	FICLONE                          = 0x40049409