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.\" Copyright (C) 1996 Andries Brouwer (aeb@cwi.nl)
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.TH ULIMIT 3 "12 June 1998" "Linux 2.0" "Linux Programmer's Manual"
.SH NAME
ulimit \- 獲取和改變使用者的限制設定
.SH 大綱
.B #include <ulimit.h>
.sp
.BI "long ulimit(int " cmd ", long " newlimit );
.SH 描述
警告: 這個函數已經被廢棄. glibc 不再提供這個包含檔案. 使用 getrlimit(2), 
setrlimit(2) 和 sysconf(3) 代替這個函數. 相關shell命令
.BR ulimit ,
參見
.BR bash (1).

使用
.B ulimit
可以獲得或改變當前進程的限制設定.
.I cmd
參數可以是下列值中的一個:
.TP
.B UL_GETFSIZE 
返回檔案大小的限制 (以512字節為單位).
.TP
.B UL_SETFSIZE
設定檔案大小的限制.
.TP
.B 3
(Linux不支持)
返回數據段可以使用的最大地址.
.TP
.B 4
(支持,但沒有定義符號常量) 
返回調用本函數的進程可以打開的最大檔案數.

.SH "返回值"
如果執行成功