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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux_amd64.go#L244: 	PTP_CLOCK_GETCAPS                = 0x80503d01

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