MiniUPnPc (MiniUPnP client) is a library implementing a UPnP Internet Gateway Device (IGD) control point.

It should be used by applications that needs to listen to incoming traffic from the internet which are running on a LAN where a UPnP IGD is running on the router (or gateway).

See more documentation on the website http://miniupnp.free.fr or https://miniupnp.tuxfamily.org/ or GitHub : https://github.com/miniupnp/miniupnp/tree/master/miniupnpc