+/* RFC 2485 */
+ { TAG_OPEN_GROUP_UAP, "aUAP" },
+/* RFC 2563 */
+ { TAG_DISABLE_AUTOCONF, "BNOAUTO" },
+/* RFC 2610 */
+ { TAG_SLP_DA, "bSLP-DA" }, /*"b" is a little wrong */
+ { TAG_SLP_SCOPE, "bSLP-SCOPE" }, /*"b" is a little wrong */
+/* RFC 2937 */
+ { TAG_NS_SEARCH, "sNSSEARCH" }, /* XXX 's' */
+/* RFC 3011 */
+ { TAG_IP4_SUBNET_SELECT, "iSUBNET" },
+/* ftp://ftp.isi.edu/.../assignments/bootp-dhcp-extensions */
+ { TAG_USER_CLASS, "aCLASS" },
+ { TAG_SLP_NAMING_AUTH, "aSLP-NA" },
+ { TAG_CLIENT_FQDN, "bFQDN" }, /* XXX 'b' */
+ { TAG_AGENT_CIRCUIT, "bACKT" },
+ { TAG_AGENT_REMOTE, "bARMT" },
+ { TAG_AGENT_MASK, "bAMSK" },
+ { TAG_TZ_STRING, "aTZSTR" },
+ { TAG_FQDN_OPTION, "bFQDNS" }, /* XXX 'b' */
+ { TAG_AUTH, "bAUTH" }, /* XXX 'b' */
+ { TAG_VINES_SERVERS, "iVINES" },
+ { TAG_SERVER_RANK, "sRANK" },
+ { TAG_CLIENT_ARCH, "sARCH" },
+ { TAG_CLIENT_NDI, "bNDI" }, /* XXX 'b' */
+ { TAG_CLIENT_GUID, "bGUID" }, /* XXX 'b' */
+ { TAG_LDAP_URL, "aLDAP" },
+ { TAG_6OVER4, "i6o4" },
+ { TAG_PRINTER_NAME, "aPRTR" },
+ { TAG_MDHCP_SERVER, "bMDHCP" }, /* XXX 'b' */
+ { TAG_IPX_COMPAT, "bIPX" }, /* XXX 'b' */
+ { TAG_NETINFO_PARENT, "iNI" },
+ { TAG_NETINFO_PARENT_TAG, "aNITAG" },
+ { TAG_URL, "aURL" },
+ { TAG_FAILOVER, "bFAIL" }, /* XXX 'b' */
+ { 0, NULL }
+};
+/* 2-byte extended tags */
+static struct tok xtag2str[] = {