#define SEMI ';'
#define DOT '.'
#define COLON ':'
#define COMMA ','
#define SLASH '/'
#define LBRACE '{'
#define RBRACE '}'
#define FIRST_TOKEN HOST
#define HOST 256
#define HARDWARE 257
#define FILENAME 258
#define FIXED_ADDR 259
#define OPTION 260
#define ETHERNET 261
#define STRING 262
#define NUMBER 263
#define NUMBER_OR_NAME 264
#define NAME 265
#define TIMESTAMP 266
#define STARTS 267
#define ENDS 268
#define UID 269
#define CLASS 270
#define LEASE 271
#define RANGE 272
#define PACKET 273
#define CIADDR 274
#define YIADDR 275
#define SIADDR 276
#define GIADDR 277
#define SUBNET 278
#define NETMASK 279
#define DEFAULT_LEASE_TIME 280
#define MAX_LEASE_TIME 281
#define VENDOR_CLASS 282
#define USER_CLASS 283
#define SHARED_NETWORK 284
#define SERVER_NAME 285
#define DYNAMIC_BOOTP 286
#define SERVER_IDENTIFIER 287
#define DYNAMIC_BOOTP_LEASE_CUTOFF 288
#define DYNAMIC_BOOTP_LEASE_LENGTH 289
#define BOOT_UNKNOWN_CLIENTS 290
#define NEXT_SERVER 291
#define TOKEN_RING 292
#define GROUP 293
#define ONE_LEASE_PER_CLIENT 294
#define GET_LEASE_HOSTNAMES 295
#define USE_HOST_DECL_NAMES 296
#define SEND 297
#define CLIENT_IDENTIFIER 298
#define REQUEST 299
#define REQUIRE 300
#define TIMEOUT 301
#define RETRY 302
#define SELECT_TIMEOUT 303
#define SCRIPT 304
#define INTERFACE 305
#define RENEW 306
#define REBIND 307
#define EXPIRE 308
#define UNKNOWN_CLIENTS 309
#define ALLOW 310
#define BOOTP 311
#define DENY 312
#define BOOTING 313
#define DEFAULT 314
#define MEDIA 315
#define MEDIUM 316
#define ALIAS 317
#define REBOOT 318
#define ABANDONED 319
#define BACKOFF_CUTOFF 320
#define INITIAL_INTERVAL 321
#define NAMESERVER 322
#define DOMAIN 323
#define SEARCH 324
#define SUPERSEDE 325
#define APPEND 326
#define PREPEND 327
#define HOSTNAME 328
#define CLIENT_HOSTNAME 329
#define REJECT 330
#define FDDI 331
#define USE_LEASE_ADDR_FOR_DEFAULT_ROUTE 332
#define AUTHORITATIVE 333
#define TOKEN_NOT 334
#define ALWAYS_REPLY_RFC1048 335
#define VLAN_PCP 336
#define IGNORE 337
#define is_identifier(x) ((x) >= FIRST_TOKEN && \
(x) != STRING && \
(x) != NUMBER && \
(x) != EOF)