1explain_dup_or_die(3)      Library Functions Manual      explain_dup_or_die(3)
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NAME

6       explain_dup_or_die - duplicate a file descriptor and report errors
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SYNOPSIS

9       #include <libexplain/dup.h>
10       void explain_dup_or_die(int fildes);
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DESCRIPTION

13       The explain_dup_or_die function is used to call the dup(2) system call.
14       On failure an explanation will be  printed  to  stderr,  obtained  from
15       explain_dup(3),   and   then   the   process   terminates   by  calling
16       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_dup_or_die(fildes);
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22       fildes  The fildes, exactly as to be passed to the dup(2) system call.
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24       Returns:
25               This  function  only returns on success.  On failure, prints an
26               explanation and exits.
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SEE ALSO

29       dup(2)  duplicate a file descriptor
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31       explain_dup(3)
32               explain dup(2) errors
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34       exit(2) terminate the calling process
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37       libexplain version 1.4
38       Copyright (C) 2008 Peter Miller
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42                                                         explain_dup_or_die(3)
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