+enum ProtocolVersion
+{
+ /** The linking protocol version introduced in InspIRCd v2.0. */
+ PROTO_INSPIRCD_20 = 1202,
+
+ /** The linking protocol version introduced in InspIRCd v2.1 alpha 0. */
+ PROTO_INSPIRCD_21_A0 = 1203,
+
+ /** The linking protocol version introduced in InspIRCd v2.1 beta 2. */
+ PROTO_INSPIRCD_21_B2 = 1204,
+
+ /** The linking protocol version introduced in InspIRCd v3.0. */
+ PROTO_INSPIRCD_30 = 1205,
+
+ /** The oldest version of the protocol that we support. */
+ PROTO_OLDEST = PROTO_INSPIRCD_20,
+
+ /** The newest version of the protocol that we support. */
+ PROTO_NEWEST = PROTO_INSPIRCD_30
+};