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-.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
-.\"
-.\" %%%LICENSE_START(VERBATIM)
-.\" Permission is granted to make and distribute verbatim copies of this
-.\" manual provided the copyright notice and this permission notice are
-.\" preserved on all copies.
-.\"
-.\" Permission is granted to copy and distribute modified versions of this
-.\" manual under the conditions for verbatim copying, provided that the
-.\" entire resulting derived work is distributed under the terms of a
-.\" permission notice identical to this one.
-.\"
-.\" Since the Linux kernel and libraries are constantly changing, this
-.\" manual page may be incorrect or out-of-date.  The author(s) assume no
-.\" responsibility for errors or omissions, or for damages resulting from
-.\" the use of the information contained herein.  The author(s) may not
-.\" have taken the same level of care in the production of this manual,
-.\" which is licensed free of charge, as they might when working
-.\" professionally.
-.\"
-.\" Formatted or processed versions of this manual, if unaccompanied by
-.\" the source, must acknowledge the copyright and authors of this work.
-.\" %%%LICENSE_END
-.\"
-.\" Modified 2002-04-15 by Roger Luethi <rl@hellgate.ch> and aeb
-.\"
-.TH GETDTABLESIZE 3 2014-08-19 "Linux" "Linux Programmer's Manual"
-.SH NAME
-getdtablesize \- get descriptor table size
-.SH SYNOPSIS
-.B #include <unistd.h>
-.sp
-.B int getdtablesize(void);
-.sp
-.in -4n
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.in
-.sp
-.BR getdtablesize ():
-.ad l
-.RS 4
-.PD 0
-.TP 4
-Since glibc 2.12:
-.nf
-_BSD_SOURCE ||
-    !(_POSIX_C_SOURCE\ >=\ 200112L || _XOPEN_SOURCE\ >=\ 600)
-.TP 4
-.fi
-Before glibc 2.12:
-_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500 ||
-_XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED
-.PD
-.RE
-.ad b
-.SH DESCRIPTION
-.BR getdtablesize ()
-returns the maximum number of files a process can have open,
-one more than the largest possible value for a file descriptor.
-.SH RETURN VALUE
-The current limit on the number of open files per process.
-.SH ERRORS
-On Linux,
-.BR getdtablesize ()
-can return any of the errors described for
-.BR getrlimit (2);
-see NOTES below.
-.SH ATTRIBUTES
-.SS Multithreading (see pthreads(7))
-The
-.BR getdtablesize ()
-function is thread-safe.
-.SH CONFORMING TO
-SVr4, 4.4BSD (the
-.BR getdtablesize ()
-function first appeared in 4.2BSD).
-It is not specified in POSIX.1-2001;
-portable applications should employ
-.I sysconf(_SC_OPEN_MAX)
-instead of this call.
-.SH NOTES
-.BR getdtablesize ()
-is implemented as a libc library function.
-The glibc version calls
-.BR getrlimit (2)
-and returns the current
-.B RLIMIT_NOFILE
-limit, or
-.B OPEN_MAX
-when that fails.
-.\" The libc4 and libc5 versions return
-.\" .B OPEN_MAX
-.\" (set to 256 since Linux 0.98.4).
-.SH SEE ALSO
-.BR close (2),
-.BR dup (2),
-.BR getrlimit (2),
-.BR open (2)
-.SH COLOPHON
-This page is part of release 3.79 of the Linux
-.I man-pages
-project.
-A description of the project,
-information about reporting bugs,
-and the latest version of this page,
-can be found at
-\%http://www.kernel.org/doc/man\-pages/.