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/* This is file TRUNCATE.C */

/*

** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954

**

** This file is distributed under the terms listed in the document

** "copying.dj", available from DJ Delorie at the address above.

** A copy of "copying.dj" should accompany this file; if not, a copy

** should be available from where this file was obtained.  This file

** may not be distributed without a verbatim copy of "copying.dj".

**

** This file is distributed WITHOUT ANY WARRANTY; without even the implied

** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

*/

#include <fcntl.h>

truncate(const char *fn, unsigned long where)

{

  int fd = open(fn, O_WRONLY);

  if (fd < 0)

    return -1;

  lseek(fd, where, 0);

  write(fd, 0, 0);

  close(fd);

}