References: syscall.IPV6_MULTICAST

const syscall.IPV6_MULTICAST_HOPS

one use

	syscall (current package)
		zerrors_darwin_arm64.go#L534: 	IPV6_MULTICAST_HOPS               = 0xa

The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)