func net.interfaceByIndex

3 uses

	net (current package)
		interface.go#L137: 	ifi, err := interfaceByIndex(ift, index)
		interface.go#L144: func interfaceByIndex(ift []Interface, index int) (*Interface, error) {
		interface_linux.go#L156: 					ifi, err = interfaceByIndex(ift, int(ifam.Index))