/*
   Program: equal.c.

   An example of a common, but bad bug.
*/

#include <stdio.h>
#include "genlib.h"
#include "simpio.h"

main() {
   int n ;

   n = 0 ;
   if ( n = 0 ) 
      printf("My program works!\n") ;
   else
      printf("What's wrong??\n") ;
}

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What's wrong??