typedef union { int ival; double dval; char *str; } YYSTYPE; extern YYSTYPE yylval; # define SUBJECT 257 # define NUMBER 258 # define NAME 259 # define MENU 260 # define PP 261 # define PL 262 # define PO 263 # define LP 264 # define LL 265 # define LO 266 # define CHOOSE 267 # define TIME 268 # define SEC 269 # define SELECTED 270 # define NO 271 # define CHOICE 272 # define TOTAL 273 # define TEST 274 # define COMPLETED 275 # define NUM 276 # define STR 277 # define REAL 278