> Here is what the interface looks like from the user's perspective
>
> int
> main (void)
> {
> void *ctx = yypvarsinit ();
> FILE *fp;
> int val = 1;
> fp= fopen("1.dat", "r");
> yyparse (ctx);
> do {
> if(val != 0)
> set_yychar (ctx, yylex(fp));
> yyparse(ctx);
> val = get_yyresult (ctx);
> if(val == 1)
> fprintf(stderr,"\nSyntax error");
> } while (val!=0);
> fclose(fp);
>
> fprintf(stderr, "\n");
> return 0;
> }
>
> It's important to realize that yyparse needs to be called once to init
> the parser.
Hmm, I think this isn't necessary. I just thought it was. The yyparse
(ctx) call is not necessary before the 'do {' line.
Bob Rossi
