A lightweight RPC library based on XML and HTTP for C and C++ XML-RPC is a quick-and-easy way to make procedure calls over the Internet. It converts the procedure call into an XML document, sends it to a remote server using HTTP, and gets back the response as XML. This library provides a modular implementation of XML-RPC for C and C++. xmlrpc-c homepage: http://xmlrpc-c.sourceforge.net/