1explain_ftruncate_or_die(3)Library Functions Manualexplain_ftruncate_or_die(3)
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NAME

6       explain_ftruncate_or_die - truncate a file and report errors
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SYNOPSIS

9       #include <libexplain/ftruncate.h>
10       void explain_ftruncate_or_die(int fildes, long long length);
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DESCRIPTION

13       The  explain_ftruncate_or_die function is used to call the ftruncate(2)
14       system call.  On failure an explanation  will  be  printed  to  stderr,
15       obtained  from explain_ftruncate(3), and then the process terminates by
16       calling exit(EXIT_FAILURE).
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18       This function is intended to be used in a fashion similar to  the  fol‐
19       lowing example:
20              explain_ftruncate_or_die(fildes, length);
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22       fildes  The  fildes, exactly as to be passed to the ftruncate(2) system
23               call.
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25       length  The length, exactly as to be passed to the ftruncate(2)  system
26               call.
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28       Returns:
29               This  function  only returns on success.  On failure, prints an
30               explanation and exits.
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SEE ALSO

33       ftruncate(2)
34               truncate a file to a specified length
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36       explain_ftruncate(3)
37               explain ftruncate(2) errors
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39       exit(2) terminate the calling process
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42       libexplain version 0.40
43       Copyright (C) 2008 Peter Miller
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47                                                   explain_ftruncate_or_die(3)
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