Loopback Kernel Services

Edit online

The Loopback services enable networking code to be exercised without actually transmitting packets on a network. This is a useful tool for developing new protocols without introducing network variables. Loopback services can also be used to send packets to local addresses without using hardware loopback.

The Loopback services are:

Item	Description
loifp	Returns the address of the software loopback interface structure.
looutput	Sends data through a software loopback interface.