.\" 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.\" manual page may be incorrect or out-of-date.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 "12 June 1998" "Linux 2.0" "Linux Programmer's Manual"
.SH NAME
ulimit \- 获取和改变用户的限制设定
.SH 大纲
.B #include <ulimit.h>
.sp
.BI "long ulimit(int " cmd ", long " newlimit );
.SH 描述
警告: 这个函数已经被废弃. glibc 不再提供这个包含文件. 使用 getrlimit(2), 
setrlimit(2) 和 sysconf(3) 代替这个函数. 相关shell命令
.BR ulimit ,
参见
.BR bash (1).

使用
.B ulimit
可以获得或改变当前进程的限制设定.
.I cmd
参数可以是下列值中的一个:
.TP
.B UL_GETFSIZE 
返回文件大小的限制 (以512字节为单位).
.TP
.B UL_SETFSIZE
设定文件大小的限制.
.TP
.B 3
(Linux不支持)
返回数据段可以使用的最大地址.
.TP
.B 4
(支持,但没有定义符号常量) 
返回调用本函数的进程可以打开的最大文件数.

.SH "返回值"
如果执行成功.SH "跋"
.br
本页面中文版由中文 man 手册页计划提供。
.br
中文 man 手册页计划：\fBhttps://github.com/man-pages-zh/manpages-zh\fR