Files: Example program on fopen() and fclose() functions

#include <stdio.h>
#include <stdlib.h>
// ...

int main (void)
{
// Local Declarations
FILE* spTemps;

// Statements
// ...

if ((spTemps = fopen("TEMPS.DAT", "r")) == NULL)
  {
   printf("\aERROR opening TEMPS.DAT\n");
   exit (100);
  } // if open
// ...

if (fclose(spTemps) == EOF)
  {
   printf("\aERROR closing TEMPS.DAT\n");
   exit (102);
  } // if close
// ...

} // main

/* Results:
ERROR opening TEMPS.DAT

Note: The close cannot be tested unless the file has been opened.
*/
Files: