1 #define HeightOp 257 2 #define WidthOp 258 3 #define UpdateOp 259 4 #define NewplaneOp 260 5 #define DirOp 261 6 #define ConstOp 262 7 #define LineOp 263 8 #define AirportOp 264 9 #define BeaconOp 265 10 #define ExitOp 266 11 typedef union { 12 int ival; 13 char cval; 14 } YYSTYPE; 15 extern YYSTYPE yylval; 16