Do authentication on proxy server and returns list of registered hosts on this proxy.
PRL_HANDLE PrlSrv_GetRegisteredHostsOnProxy( PRL_CONST_STR account, PRL_CONST_STR accountPass, PRL_PROXY_CLIENT_INFO_PTR cliInfo, PRL_UINT32 timeout, PRL_EVENT_HANDLER_PTR handler, PRL_VOID_PTR userData );
PrlApiManager.h
If authentication has been successfully passed, a handle of type PHT_JOB will contain a set of registered hosts on proxy or PRL_ERR_INVALID_HANDLE if there's not enough memory to instantiate the job object.
PRL_ERR_INVALID_ARG - null pointer was passed.