PRL_HANDLE PrlSrv_LoginEx(
    PRL_HANDLE hServer, 
    PRL_CONST_STR host, 
    PRL_CONST_STR user, 
    PRL_CONST_STR passwd, 
    PRL_CONST_STR sPrevSessionUuid, 
    PRL_UINT32 port_cmd, 
    PRL_UINT32 timeout, 
    PRL_SECURITY_LEVEL security_level, 
    PRL_UINT32 flags
);