%token DING DONG DELL OTHER
%%

song  : song rhyme
      | rhyme
        ;
rhyme : sound
        place           {printf ("*********\n");}
        ;
sound : DING DONG
        | error   {fprintf (stderr,
                   "error in sound - unexpected symbol %s on line %d\n",
                   yytext,linenum);
        }
        ;
place : DELL
        | error   {fprintf (stderr,
                   "error in place - unexpected symbol %s on line %d\n",
                   yytext,linenum);
        }
        ;
%%
#include "lex.yy.c"
#include <stdio.h>

int linenum = 1;        /* line numbering starts at 1, not 0 */

main(){
        printf ("Using Own Version of main()\n\n");
        return(yyparse());
        }