Print error message: how to use perror : error « Development « C / ANSI-C

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Print error message: how to use perror





#include <stdio.h>



int main ()

{

  FILE *file;

  

  file=fopen ("my.ent", "rb");

  

  if (file==NULL)

    perror ("An error has occurred");

  else

    fclose (file);

  return 0;

}

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