typedef union {
    char *text;
    struct _Node *node;
} YYSTYPE;
extern YYSTYPE yylval;
# define ERROR 257
# define VARNAME 258
# define VARREF 259
# define STRING 260
# define SHOW 261
# define APPENDPORT 262
# define BUFFER 263
# define BREAK 264
# define CLOSEINPUT 265
# define CLOSEOUTPUT 266
# define CLOSEPORT 267
# define CASE 268
# define CLEARBUF 269
# define DEFAULT 270
# define DISPLAY 271
# define DO 272
# define DOWNCASE 273
# define ELSE 274
# define ELSEIF 275
# define ENDCASE 276
# define ENDIF 277
# define ENDWHILE 278
# define EXEC 279
# define EXECPORT 280
# define EXIT 281
# define FIELDS 282
# define GET 283
# define GETENV 284
# define IF 285
# define INPUTPORT 286
# define LANY 287
# define LBREAK 288
# define LSPAN 289
# define MATCH 290
# define NOOP 291
# define NOT 292
# define OUTPUTPORT 293
# define PRINT 294
# define PROTECT 295
# define VERBATIM 296
# define PUT 297
# define RANY 298
# define RBREAK 299
# define RSPAN 300
# define SET 301
# define SUBSTITUTE 302
# define THEN 303
# define UPCASE 304
# define WHILE 305
# define ZVAR 306
# define EQ 307
# define NEQ 308
# define REGEQ 309
# define REGNEQ 310