File: outtee.c

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dosemu-freedos 1%3A0.0.b9r5a%2Betch.1-0etch1
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#include <stdio.h>
#include "freedos.h"

/***************************************************************************
 * This function saves a copy of the input to pSave while simultaneously
 * copying to the output.
 *
 * returns: TRUE if pIn was tee'd successfully, FALSE if pSave or pOut
 * could not take input.
 *
 * maintainer: James Hall
 */

int 
outtee (FILE * pIn, FILE * pSave, FILE * pOut)
{
  char ch;

  /* Tee the output */

  while ((ch = fgetc (pIn)) != EOF)
    if ((fputc (ch, pSave) == EOF) || (fputc (ch, pOut) == EOF))
      return (FALSE);

  return (TRUE);
}