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+.\" Hey Emacs! This file is -*- nroff -*- source.
+.\"
+.\" Copyright (C) 1996 Andries Brouwer (aeb@cwi.nl)
+.\"
+.\" 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+.\" manual page may be incorrect or out-of-date.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.
+.\"
+.\" Moved to man3, aeb, 980612
+.\"
+.TH ULIMIT 3 1998-06-12 "Linux 2.0" "Linux Programmer's Manual"
+.SH NAME
+ulimit \- get and set user limits
+.SH SYNOPSIS
+.B #include <ulimit.h>
+.sp
+.BI "long ulimit(int " cmd ", long " newlimit );
+.SH DESCRIPTION
+Warning: This routine is obsolete. The include file is no longer
+provided by glibc.  Use getrlimit(2), setrlimit(2) and sysconf(3)
+instead.
+For the shell command
+.BR ulimit ,
+see
+.BR bash (1).
+
+The
+.B ulimit
+call will get or set some limit for the current process.
+The
+.I cmd
+argument can have one of the following values.
+.TP
+.B UL_GETFSIZE 
+Return the limit on the size of a file, in units of 512 bytes.
+.TP
+.B UL_SETFSIZE
+Set the limit on the size of a file.
+.TP
+.B 3
+(Not implemented for Linux.)
+Return the maximum possible address of the data segment.
+.TP
+.B 4
+(Implemented but no symbolic constant provided.)
+Return the maximum number of files that the calling process can open.
+
+.SH "RETURN VALUE"
+On success,
+.B ulimit
+returns a nonnegative value.
+On error, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EPERM
+A non-root process tried to increase a limit.
+.SH "CONFORMING TO"
+SVID.
+.SH "SEE ALSO"
+.BR bash (1),
+.BR getrlimit (2),
+.BR setrlimit (2),
+.BR sysconf (3)