1  typedef __SIZE_TYPE__ size_t;
       2  void *malloc(size_t);
       3  typedef union YYSTYPE {
       4      char *id;
       5  }  YYSTYPE;
       6  extern YYSTYPE yylval;
       7  void yylex (int b)
       8  {
       9    yylval = (YYSTYPE) (b ? 0 : (char *) malloc (4));
      10  }