return nil, err
	}
	return route.ParseRIB(syscall.NET_RT_IFLIST, rib)
}

// interfaceMulticastAddrTable returns addresses for a specific
// interface.
func interfaceMulticastAddrTable(ifi *Interface) ([]Addr, error) {
	rib, err := route.FetchRIB(syscall.AF_UNSPEC, syscall.NET_RT_IFLIST2, ifi.Index)
	if err != nil {
		return nil, err
	}
	msgs, err := route.ParseRIB(syscall.NET_RT_IFLIST2, rib)
	if err != nil {

		return nil, err
	}
	return route.ParseRIB(route.RIBTypeInterface, rib)
}

// interfaceMulticastAddrTable returns addresses for a specific
// interface.
func interfaceMulticastAddrTable(ifi *Interface) ([]Addr, error) {
	rib, err := route.FetchRIB(syscall.AF_UNSPEC, syscall.NET_RT_IFMALIST, ifi.Index)
	if err != nil {
		return nil, err
	}
	msgs, err := route.ParseRIB(syscall.NET_RT_IFMALIST, rib)
	if err != nil {

}

// A SysType represents a type of operating system-specific
// information.
type SysType int

const (
	SysMetrics SysType = iota
	SysStats
)

// ParseRIB parses b as a routing information base and returns a list
// of routing messages.
func ParseRIB(typ RIBType, b []byte) ([]Message, error) {
	if !typ.parseable() {
		return nil, errUnsupportedMessage
	}
	var msgs []Message
	nmsgs, nskips := 0, 0
	for len(b) > 4 {

)

func interfaceMessages(ifindex int) ([]route.Message, error) {
	rib, err := route.FetchRIB(syscall.AF_UNSPEC, syscall.NET_RT_IFLIST, ifindex)
	if err != nil {
		return nil, err
	}
	return route.ParseRIB(syscall.NET_RT_IFLIST, rib)
}

// interfaceMulticastAddrTable returns addresses for a specific
// interface.
func interfaceMulticastAddrTable(ifi *Interface) ([]Addr, error) {