const syscall.SizeofIfmaMsghdr2

2 uses

	syscall (current package)
		route_darwin.go#L22: 		return &InterfaceMulticastAddrMessage{Header: p.Header, Data: b[SizeofIfmaMsghdr2:any.Msglen]}
		ztypes_darwin_arm64.go#L304: 	SizeofIfmaMsghdr2 = 0x14