Name
setup - setup devices and filesystems, mount root filesystemLibrary
Standard C library ( libc ", " -lc )Synopsis
#include <unistd.h> [[deprecated]] int setup(void);
Description
setup() is called once from withinlinux/init/main.c. It calls initialization functions for devices and filesystems configured into the kernel and then mounts the root filesystem. 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.
Standards
Linux.Versions
Removed in Linux 2.1.121.The calling sequence varied: at some times setup() has had a single argument "void\ *BIOS" and at other times a single argument "int magic".