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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux_amd64.go#L250: 	PTP_MASK_CLEAR_ALL               = 0x3d13

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)