Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help
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  ex-
       plain_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  fol-
       lowing 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 1.3
       Copyright (C) 2008 Peter	Miller

							 explain_dup_or_die(3)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | COPYRIGHT

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=explain_dup_or_die&sektion=3&manpath=FreeBSD+12.2-RELEASE+and+Ports>

home | help