typedef union { int ival; double fval; struct ent *ent; struct enode *enode; char *sval; } YYSTYPE; extern YYSTYPE yylval; # define STRING 257 # define NUMBER 258 # define FNUMBER 259 # define WORD 260 # define COL 261 # define S_FORMAT 262 # define S_LABEL 263 # define S_LEFTSTRING 264 # define S_RIGHTSTRING 265 # define S_GET 266 # define S_PUT 267 # define S_MERGE 268 # define S_LET 269 # define S_WRITE 270 # define S_TBL 271 # define S_PROGLET 272 # define S_COPY 273 # define S_SHOW 274 # define K_FIXED 275 # define K_SUM 276 # define K_PROD 277 # define K_AVE 278