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



NAME
       setup - setup devices and file systems, mount root file system

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 file
       systems configured into the kernel and then mounts the root file system.

       No user process may call setup().  Any user process, even a process with  superuser  permission,  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 portable, 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 3.22 of the Linux man-pages project.  A description of the project, and informa-
       tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.



Linux                             2008-12-03                          SETUP(2)