mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-14 07:18:29 +00:00
329 lines
12 KiB
C
329 lines
12 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Busybox main internal header file
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under the GPL.
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*
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*/
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#ifndef _BB_INTERNAL_H_
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#define _BB_INTERNAL_H_ 1
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#include "busybox.def.h"
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <mntent.h>
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#if ! defined(__GLIBC__) && ! defined (__UCLIBC__)
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#include <asm/string.h>
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#endif
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/* Some useful definitions */
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#define FALSE ((int) 1)
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#define TRUE ((int) 0)
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/* for mtab.c */
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#define MTAB_GETMOUNTPT '1'
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#define MTAB_GETDEVICE '2'
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#define BUF_SIZE 8192
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#define EXPAND_ALLOC 1024
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#define isBlank(ch) (((ch) == ' ') || ((ch) == '\t'))
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#define isDecimal(ch) (((ch) >= '0') && ((ch) <= '9'))
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#define isOctal(ch) (((ch) >= '0') && ((ch) <= '7'))
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#define isWildCard(ch) (((ch) == '*') || ((ch) == '?') || ((ch) == '['))
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/* Macros for min/max. */
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#ifndef MIN
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#endif
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#ifndef MAX
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#endif
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/* I don't like nested includes, but the string and io functions are used
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* too often
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*/
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#include <stdio.h>
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#if !defined(NO_STRING_H) || defined(STDC_HEADERS)
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# include <string.h>
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# if !defined(STDC_HEADERS) && !defined(NO_MEMORY_H) && !defined(__GNUC__)
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# include <memory.h>
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# endif
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# define memzero(s, n) memset ((void *)(s), 0, (n))
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#else
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# include <strings.h>
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# define strchr index
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# define strrchr rindex
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# define memcpy(d, s, n) bcopy((s), (d), (n))
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# define memcmp(s1, s2, n) bcmp((s1), (s2), (n))
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# define memzero(s, n) bzero((s), (n))
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#endif
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enum Location {
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_BB_DIR_ROOT = 0,
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_BB_DIR_BIN,
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_BB_DIR_SBIN,
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_BB_DIR_USR_BIN,
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_BB_DIR_USR_SBIN
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};
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struct BB_applet {
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const char* name;
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int (*main)(int argc, char** argv);
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enum Location location;
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};
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/* From busybox.c */
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extern const struct BB_applet applets[];
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extern int ar_main(int argc, char **argv);
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extern int basename_main(int argc, char **argv);
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extern int busybox_main(int argc, char** argv);
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extern int block_device_main(int argc, char** argv);
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extern int cat_main(int argc, char** argv);
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extern int chmod_chown_chgrp_main(int argc, char** argv);
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extern int chroot_main(int argc, char** argv);
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extern int chvt_main(int argc, char** argv);
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extern int clear_main(int argc, char** argv);
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extern int cp_mv_main(int argc, char** argv);
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extern int cut_main(int argc, char** argv);
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extern int date_main(int argc, char** argv);
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extern int dc_main(int argc, char** argv);
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extern int dd_main(int argc, char** argv);
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extern int dirname_main(int argc, char** argv);
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extern int deallocvt_main(int argc, char** argv);
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extern int df_main(int argc, char** argv);
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extern int dmesg_main(int argc, char** argv);
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extern int du_main(int argc, char** argv);
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extern int dutmp_main(int argc, char** argv);
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extern int echo_main(int argc, char** argv);
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extern int false_main(int argc, char** argv);
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extern int fbset_main(int argc, char** argv);
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extern int fdisk_main(int argc, char** argv);
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extern int fdflush_main(int argc, char **argv);
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extern int fsck_minix_main(int argc, char **argv);
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extern int find_main(int argc, char** argv);
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extern int free_main(int argc, char** argv);
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extern int freeramdisk_main(int argc, char** argv);
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extern int grep_main(int argc, char** argv);
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extern int gunzip_main (int argc, char** argv);
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extern int gzip_main(int argc, char** argv);
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extern int halt_main(int argc, char** argv);
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extern int head_main(int argc, char** argv);
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extern int hostid_main(int argc, char** argv);
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extern int hostname_main(int argc, char** argv);
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extern int id_main(int argc, char** argv);
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extern int init_main(int argc, char** argv);
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extern int insmod_main(int argc, char** argv);
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extern int kill_main(int argc, char** argv);
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extern int length_main(int argc, char** argv);
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extern int ln_main(int argc, char** argv);
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extern int loadacm_main(int argc, char** argv);
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extern int loadfont_main(int argc, char** argv);
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extern int loadkmap_main(int argc, char** argv);
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extern int losetup_main(int argc, char** argv);
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extern int logger_main(int argc, char **argv);
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extern int logname_main(int argc, char **argv);
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extern int ls_main(int argc, char** argv);
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extern int lsmod_main(int argc, char** argv);
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extern int makedevs_main(int argc, char** argv);
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extern int md5sum_main(int argc, char** argv);
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extern int mkdir_main(int argc, char** argv);
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extern int mkfifo_main(int argc, char **argv);
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extern int mkfs_minix_main(int argc, char **argv);
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extern int mknod_main(int argc, char** argv);
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extern int mkswap_main(int argc, char** argv);
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extern int mktemp_main(int argc, char **argv);
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extern int nc_main(int argc, char** argv);
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extern int more_main(int argc, char** argv);
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extern int mount_main(int argc, char** argv);
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extern int mt_main(int argc, char** argv);
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extern int nslookup_main(int argc, char **argv);
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extern int ping_main(int argc, char **argv);
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extern int poweroff_main(int argc, char **argv);
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extern int printf_main(int argc, char** argv);
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extern int ps_main(int argc, char** argv);
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extern int pwd_main(int argc, char** argv);
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extern int reboot_main(int argc, char** argv);
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extern int rm_main(int argc, char** argv);
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extern int rmdir_main(int argc, char **argv);
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extern int rmmod_main(int argc, char** argv);
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extern int sed_main(int argc, char** argv);
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extern int sfdisk_main(int argc, char** argv);
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extern int setkeycodes_main(int argc, char** argv);
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extern int shell_main(int argc, char** argv);
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extern int sleep_main(int argc, char** argv);
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extern int sort_main(int argc, char** argv);
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extern int swap_on_off_main(int argc, char** argv);
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extern int sync_main(int argc, char** argv);
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extern int syslogd_main(int argc, char **argv);
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extern int tail_main(int argc, char** argv);
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extern int tar_main(int argc, char** argv);
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extern int tee_main(int argc, char** argv);
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extern int test_main(int argc, char** argv);
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extern int telnet_main(int argc, char** argv);
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extern int touch_main(int argc, char** argv);
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extern int tr_main(int argc, char** argv);
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extern int true_main(int argc, char** argv);
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extern int tput_main(int argc, char** argv);
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extern int tryopen_main(int argc, char** argv);
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extern int tty_main(int argc, char** argv);
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extern int uuencode_main(int argc, char** argv);
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extern int uudecode_main(int argc, char** argv);
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extern int umount_main(int argc, char** argv);
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extern int uname_main(int argc, char** argv);
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extern int uptime_main(int argc, char** argv);
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extern int uniq_main(int argc, char** argv);
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extern int update_main(int argc, char** argv);
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extern int usleep_main(int argc, char** argv);
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extern int wc_main(int argc, char** argv);
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extern int which_main(int argc, char** argv);
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extern int whoami_main(int argc, char** argv);
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extern int yes_main(int argc, char** argv);
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extern void usage(const char *usage) __attribute__ ((noreturn));
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extern void errorMsg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
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extern void fatalError(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
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const char *modeString(int mode);
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const char *timeString(time_t timeVal);
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int isDirectory(const char *name, const int followLinks, struct stat *statBuf);
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int isDevice(const char *name);
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typedef struct ino_dev_hash_bucket_struct {
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struct ino_dev_hash_bucket_struct *next;
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ino_t ino;
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dev_t dev;
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char name[1];
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} ino_dev_hashtable_bucket_t;
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int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
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void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
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void reset_ino_dev_hashtable(void);
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int copyFile(const char *srcName, const char *destName,
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int setModes, int followLinks, int forceFlag);
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char *buildName(const char *dirName, const char *fileName);
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int makeString(int argc, const char **argv, char *buf, int bufLen);
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char *getChunk(int size);
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char *chunkstrdup(const char *str);
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void freeChunks(void);
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int fullWrite(int fd, const char *buf, int len);
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int fullRead(int fd, char *buf, int len);
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int recursiveAction(const char *fileName, int recurse, int followLinks, int depthFirst,
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int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
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int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
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void* userData);
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const char* timeString(time_t timeVal);
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extern int createPath (const char *name, int mode);
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extern int parse_mode( const char* s, mode_t* theMode);
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extern int get_kernel_revision(void);
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extern int get_console_fd(char* tty_name);
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extern struct mntent *findMountPoint(const char *name, const char *table);
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extern void write_mtab(char* blockDevice, char* directory,
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char* filesystemType, long flags, char* string_flags);
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extern void erase_mtab(const char * name);
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extern void mtab_read(void);
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extern char *mtab_first(void **iter);
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extern char *mtab_next(void **iter);
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extern char *mtab_getinfo(const char *match, const char which);
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extern int check_wildcard_match(const char* text, const char* pattern);
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extern long getNum (const char *cp);
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extern pid_t* findPidByName( char* pidName);
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extern void *xmalloc (size_t size);
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extern int find_real_root_device_name(char* name);
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extern char *cstring_lineFromFile(FILE *f);
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/* These parse entries in /etc/passwd and /etc/group. This is desirable
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* for BusyBox since we want to avoid using the glibc NSS stuff, which
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* increases target size and is often not needed embedded systems. */
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extern unsigned long my_getpwnam(char *name);
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extern unsigned long my_getgrnam(char *name);
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extern void my_getpwuid(char *name, unsigned long uid);
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extern void my_getgrgid(char *group, unsigned long gid);
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extern unsigned long my_getpwnamegid(char *name);
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#if defined BB_INIT || defined BB_SYSLOGD
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extern int device_open(char *device, int mode);
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#endif
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#if defined BB_FEATURE_MOUNT_LOOP
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extern int del_loop(const char *device);
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extern int set_loop(const char *device, const char *file, int offset, int *loopro);
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extern char *find_unused_loop_device (void);
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#endif
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#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
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extern int vdprintf(int d, const char *format, va_list ap);
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#endif
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#if defined BB_NFSMOUNT
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int nfsmount(const char *spec, const char *node, unsigned long *flags,
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char **extra_opts, char **mount_opts, int running_bg);
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#endif
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#ifndef RB_POWER_OFF
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/* Stop system and switch power off if possible. */
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#define RB_POWER_OFF 0x4321fedc
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#endif
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/* Include our own copy of struct sysinfo to avoid binary compatability
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* problems with Linux 2.4, which changed things. Grumble, grumble. */
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struct sysinfo {
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long uptime; /* Seconds since boot */
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unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
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unsigned long totalram; /* Total usable main memory size */
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unsigned long freeram; /* Available memory size */
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unsigned long sharedram; /* Amount of shared memory */
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unsigned long bufferram; /* Memory used by buffers */
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unsigned long totalswap; /* Total swap space size */
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unsigned long freeswap; /* swap space still available */
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unsigned short procs; /* Number of current processes */
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unsigned long totalhigh; /* Total high memory size */
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unsigned long freehigh; /* Available high memory size */
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unsigned int mem_unit; /* Memory unit size in bytes */
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char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
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};
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extern int sysinfo (struct sysinfo* info);
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/* Bit map related macros -- libc5 doens't provide these... sigh. */
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#ifndef setbit
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#define NBBY CHAR_BIT
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#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
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#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
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#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
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#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
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#endif
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#endif /* _BB_INTERNAL_H_ */
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