ulimit man page on Archlinux

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ULIMIT(3)		   Linux Programmer's Manual		     ULIMIT(3)

NAME
       ulimit - get and set user limits

SYNOPSIS
       #include <ulimit.h>

       long ulimit(int cmd, long newlimit);

DESCRIPTION
       Warning: This routine is obsolete.  Use getrlimit(2), setrlimit(2), and
       sysconf(3) instead.  For the shell command ulimit(), see bash(1).

       The ulimit() call will get or set some limit for the  calling  process.
       The cmd argument can have one of the following values.

       UL_GETFSIZE
	      Return the limit on the size of a file, in units of 512 bytes.

       UL_SETFSIZE
	      Set the limit on the size of a file.

       3      (Not  implemented	 for  Linux.)	Return	the  maximum  possible
	      address of the data segment.

       4      (Implemented but no symbolic  constant  provided.)   Return  the
	      maximum number of files that the calling process can open.

RETURN VALUE
       On  success,  ulimit()  returns	a  nonnegative value.  On error, -1 is
       returned, and errno is set appropriately.

ERRORS
       EPERM  A unprivileged process tried to increase a limit.

CONFORMING TO
       SVr4, POSIX.1-2001.  POSIX.1-2008 marks ulimit() as obsolete.

SEE ALSO
       bash(1), getrlimit(2), setrlimit(2), sysconf(3)

COLOPHON
       This page is part of release 3.65 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux				  2008-08-06			     ULIMIT(3)
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