RAS 管理功能 使用以下结构：
MPRAPI_ADMIN_DLL_CALLBACKS
PPP_ATCP_INFO
PPP_CCP_INFO
PPP_INFO
PPP_INFO_2
PPP_INFO_3
PPP_IPCP_INFO
PPP_IPCP_INFO2
PPP_IPV6_CP_INFO
PPP_IPXCP_INFO
PPP_LCP_INFO
PPP_NBFCP_INFO
RAS_CONNECTION_0
RAS_CONNECTION_1
RAS_CONNECTION_2
RAS_CONNECTION_3
RAS_CONNECTION_EX
RAS_PORT_0
RAS_PORT_1
RAS_USER_0
RAS_USER_1