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Linux 2.6 - man page for setup (linux section 2)

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SETUP(2)			    Linux Programmer's Manual				 SETUP(2)

NAME
       setup - setup devices and filesystems, mount root filesystem

SYNOPSIS
       #include <unistd.h>

       int setup(void);

DESCRIPTION
       setup()	is  called once from within linux/init/main.c.	It calls initialization functions
       for devices and filesystems configured into the kernel and then mounts the  root  filesys-
       tem.

       No user process may call setup().  Any user process, even a process with superuser permis-
       sion, will receive EPERM.

RETURN VALUE
       setup() always returns -1 for a user process.

ERRORS
       EPERM  Always, for a user process.

VERSIONS
       Since Linux 2.1.121, no such function exists anymore.

CONFORMING TO
       This function is Linux-specific, and should not be used in programs intended to be  porta-
       ble, or indeed in any programs at all.

NOTES
       The  calling  sequence varied: at some times setup () has had a single argument void *BIOS
       and at other times a single argument int magic.

COLOPHON
       This page is part of release 3.55 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					    2008-12-03					 SETUP(2)
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