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%{
int yylex(void);
static void yyerror(const char *);
%}
%token . '\777'
%%
S: error
%%
#include <stdio.h>
int
main(void)
{
printf("yyparse() = %d\n", yyparse());
return 0;
}
int
yylex(void)
{
return -1;
}
static void
yyerror(const char* s)
{
printf("%s\n", s);
}
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