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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L1653: 	IP_DEFAULT_MULTICAST_TTL                    = 0x1

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