const golang.org/x/sys/unix.IPV6_RTHDR_LOOSE

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L1592: 	IPV6_RTHDR_LOOSE                            = 0x0

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)