#include <stdio.h> #define YY_INPUT(buf, result, max)			\{							\  int c= getchar();					\  result= (EOF == c) ? 0 : (*(buf)= c, 1);		\  if (EOF != c) printf("<%c>\n", c);			\} #include "left.peg.c" int main(){  printf(yyparse() ? "success\n" : "failure\n");   return 0;}