-ipcp_options ipcp_wantoptions[NPPP]; /* Options that we want to request */
-ipcp_options ipcp_gotoptions[NPPP]; /* Options that peer ack'd */
-ipcp_options ipcp_allowoptions[NPPP]; /* Options we allow peer to request */
-ipcp_options ipcp_hisoptions[NPPP]; /* Options that we ack'd */
+ipcp_options ipcp_wantoptions[_NPPP]; /* Options that we want to request */
+ipcp_options ipcp_gotoptions[_NPPP]; /* Options that peer ack'd */
+ipcp_options ipcp_allowoptions[_NPPP]; /* Options we allow peer to request */
+ipcp_options ipcp_hisoptions[_NPPP]; /* Options that we ack'd */