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	pivot_root.c - ubase - suckless linux base utils
	git clone git://git.suckless.org/ubase
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	---
	pivot_root.c (440B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <sys/syscall.h>
	3
	4 #include <stdio.h>
	5 #include <stdlib.h>
	6 #include <unistd.h>
	7
	8 #include "util.h"
	9
	10 static void
	11 usage(void)
	12 {
	13 eprintf("usage: %s new-root put-old\n", argv0);
	14 }
	15
	16 int
	17 main(int argc, char *argv[])
	18 {
	19 ARGBEGIN {
	20 default:
	21 usage();
	22 } ARGEND;
	23
	24 if (argc < 2)
	25 usage();
	26
	27 if (syscall(SYS_pivot_root, argv[0], argv[1]) < 0)
	28 eprintf("pivot_root:");
	29
	30 return 0;
	31 }