debian man page for explain_dup_or_die

explain_dup_or_die(3)					     Library Functions Manual					     explain_dup_or_die(3)

NAME
       explain_dup_or_die - duplicate a file descriptor and report errors

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

DESCRIPTION
       The explain_dup_or_die function is used to call the dup(2) system call.	On failure an explanation will be printed to stderr, obtained from
       explain_dup(3), and then the process terminates by calling exit(EXIT_FAILURE).

       This function is intended to be used in a fashion similar to the following example:
	      explain_dup_or_die(fildes);

       fildes  The fildes, exactly as to be passed to the dup(2) system call.

       Returns:
	       This function only returns on success.  On failure, prints an explanation and exits.

SEE ALSO
       dup(2)  duplicate a file descriptor

       explain_dup(3)
	       explain dup(2) errors

       exit(2) terminate the calling process

COPYRIGHT
       libexplain version 0.52
       Copyright (C) 2008 Peter Miller

															     explain_dup_or_die(3)