411 lines
9.3 KiB
C
411 lines
9.3 KiB
C
/* vi: set sw=4 ts=4: */
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#include "internal.h"
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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static int been_there_done_that = 0;
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/* It has been alledged that doing such things can
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* help reduce binary size when staticly linking,
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* of course with glibc, this is unlikely as long
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* as we use things like printf -- perhaps a printf
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* replacement may be in order
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*/
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#if 0
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void exit(int status) __attribute__ ((noreturn));
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void exit(int status)
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{
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_exit(status);
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};
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void abort(void) __attribute__ ((__noreturn__));
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void abort(void)
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{
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_exit(0);
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};
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int atexit(void (*__func) (void))
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{
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_exit(0);
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};
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void *__libc_stack_end;
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#endif
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static const struct Applet applets[] = {
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#ifdef BB_BASENAME //usr/bin/basename
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{"basename", basename_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_BUSYBOX //bin
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{"busybox", busybox_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_BLOCK_DEVICE //sbin
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{"block_device", block_device_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_CAT //bin
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{"cat", cat_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_CHMOD_CHOWN_CHGRP //bin
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{"chmod", chmod_chown_chgrp_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_CHMOD_CHOWN_CHGRP //bin
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{"chown", chmod_chown_chgrp_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_CHMOD_CHOWN_CHGRP //bin
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{"chgrp", chmod_chown_chgrp_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_CHROOT //sbin
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{"chroot", chroot_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_CLEAR //usr/bin
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{"clear", clear_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_CHVT //usr/bin
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{"chvt", chvt_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_CP_MV //bin
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{"cp", cp_mv_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_CP_MV //bin
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{"mv", cp_mv_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_DATE //bin
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{"date", date_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_DD //bin
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{"dd", dd_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_DF //bin
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{"df", df_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_DIRNAME //usr/bin
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{"dirname", dirname_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_DMESG //bin
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{"dmesg", dmesg_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_DU //bin
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{"du", du_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_DUTMP //usr/sbin
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{"dutmp", dutmp_main, _BB_DIR_USR_SBIN},
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#endif
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#ifdef BB_ECHO //bin
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{"echo", echo_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_FBSET //usr/sbin
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{"fbset", fbset_main, _BB_DIR_USR_SBIN},
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#endif
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#ifdef BB_FDFLUSH //bin
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{"fdflush", fdflush_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_FIND //usr/bin
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{"find", find_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_FREE //usr/bin
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{"free", free_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_FREERAMDISK //sbin
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{"freeramdisk", freeramdisk_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_DEALLOCVT //usr/bin
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{"deallocvt", deallocvt_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_FSCK_MINIX //sbin
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{"fsck.minix", fsck_minix_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_MKFS_MINIX //sbin
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{"mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_GREP //bin
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{"grep", grep_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_HALT //sbin
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{"halt", halt_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_HEAD //bin
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{"head", head_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_HOSTID //usr/bin
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{"hostid", hostid_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_HOSTNAME //bin
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{"hostname", hostname_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_INIT //sbin
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{"init", init_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_INSMOD //sbin
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{"insmod", insmod_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_FEATURE_LINUXRC //
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{"linuxrc", init_main, _BB_DIR_ROOT},
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#endif
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#ifdef BB_KILL //bin
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{"kill", kill_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_KILLALL //usr/bin
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{"killall", kill_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_LENGTH //usr/bin
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{"length", length_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_LN //bin
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{"ln", ln_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_LOADACM //usr/bin
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{"loadacm", loadacm_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_LOADFONT //usr/bin
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{"loadfont", loadfont_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_LOADKMAP //sbin
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{"loadkmap", loadkmap_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_LS //bin
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{"ls", ls_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_LSMOD //sbin
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{"lsmod", lsmod_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_MAKEDEVS //sbin
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{"makedevs", makedevs_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_MATH //usr/bin
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{"math", math_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_MKDIR //bin
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{"mkdir", mkdir_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_MKFIFO //usr/bin
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{"mkfifo", mkfifo_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_MKNOD //bin
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{"mknod", mknod_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_MKSWAP //sbin
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{"mkswap", mkswap_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_MNC //usr/bin
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{"mnc", mnc_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_MORE //bin
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{"more", more_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_MOUNT //bin
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{"mount", mount_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_MT //bin
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{"mt", mt_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_NSLOOKUP //usr/bin
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{"nslookup", nslookup_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_PING //bin
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{"ping", ping_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_POWEROFF //sbin
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{"poweroff", poweroff_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_PRINTF //usr/bin
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{"printf", printf_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_PS //bin
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{"ps", ps_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_PWD //bin
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{"pwd", pwd_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_REBOOT //sbin
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{"reboot", reboot_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_RM //bin
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{"rm", rm_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_RMDIR //bin
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{"rmdir", rmdir_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_RMMOD //sbin
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{"rmmod", rmmod_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_SED //bin
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{"sed", sed_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_SH //bin
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{"sh", shell_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_SFDISK //sbin
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{"fdisk", sfdisk_main, _BB_DIR_SBIN},
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#ifdef BB_SFDISK //sbin
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#endif
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{"sfdisk", sfdisk_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_SLEEP //bin
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{"sleep", sleep_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_SORT //bin
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{"sort", sort_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_SYNC //bin
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{"sync", sync_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_SYSLOGD //sbin
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{"syslogd", syslogd_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_LOGGER //usr/bin
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{"logger", logger_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_LOGNAME //usr/bin
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{"logname", logname_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_SWAPONOFF //sbin
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{"swapon", swap_on_off_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_SWAPONOFF //sbin
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{"swapoff", swap_on_off_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_TAIL //usr/bin
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{"tail", tail_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_TAR //bin
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{"tar", tar_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_TELNET //usr/bin
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{"telnet", telnet_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_TEST //usr/bin
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{"[", test_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_TEST //usr/bin
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{"test", test_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_TEE //bin
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{"tee", tee_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_TOUCH //usr/bin
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{"touch", touch_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_TR //usr/bin
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{"tr", tr_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_TRUE_FALSE //bin
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{"true", true_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_TRUE_FALSE //bin
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{"false", false_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_TTY //usr/bin
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{"tty", tty_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_UMOUNT //bin
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{"umount", umount_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_UNAME //bin
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{"uname", uname_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_UPTIME //usr/bin
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{"uptime", uptime_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_UNIQ //bin
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{"uniq", uniq_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_UPDATE //sbin
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{"update", update_main, _BB_DIR_SBIN},
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#endif
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#ifdef BB_WC //usr/bin
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{"wc", wc_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_WHOAMI //usr/bin
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{"whoami", whoami_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_YES //usr/bin
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{"yes", yes_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_GUNZIP //bin
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{"zcat", gunzip_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_GUNZIP //bin
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{"gunzip", gunzip_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_GZIP //bin
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{"gzip", gzip_main, _BB_DIR_BIN},
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#endif
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{0}
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};
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int main(int argc, char **argv)
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{
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char *s;
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char *name;
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const struct Applet *a = applets;
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for (s = name = argv[0]; *s != '\0';) {
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if (*s++ == '/')
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name = s;
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}
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*argv = name;
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while (a->name != 0) {
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if (strcmp(name, a->name) == 0) {
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int status;
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status = ((*(a->main)) (argc, argv));
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if (status < 0) {
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fprintf(stderr, "%s: %s\n", a->name, strerror(errno));
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}
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fprintf(stderr, "\n");
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exit(status);
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}
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a++;
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}
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exit(busybox_main(argc, argv));
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}
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int busybox_main(int argc, char **argv)
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{
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int col = 0;
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argc--;
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argv++;
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if (been_there_done_that == 1 || argc < 1) {
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const struct Applet *a = applets;
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fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
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BB_VER, BB_BT);
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fprintf(stderr, "Usage: busybox [function] [arguments]...\n");
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fprintf(stderr, " or: [function] [arguments]...\n\n");
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fprintf(stderr,
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"\tMost people will create a link to busybox for each\n"
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"\tfunction name, and busybox will act like whatever you invoke it as.\n");
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fprintf(stderr, "\nCurrently defined functions:\n");
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while (a->name != 0) {
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col +=
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fprintf(stderr, "%s%s", ((col == 0) ? "\t" : ", "),
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(a++)->name);
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if (col > 60 && a->name != 0) {
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fprintf(stderr, ",\n");
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col = 0;
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}
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}
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fprintf(stderr, "\n\n");
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exit(-1);
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} else {
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/* If we've already been here once, exit now */
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been_there_done_that = 1;
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return (main(argc, argv));
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}
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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