References: golang.org/x/sys/unix.PTP_PF

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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L4266: 	PTP_PF_NONE    = 0x0

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