extern int busybox_main(int argc, char** argv);
extern int cat_main(int argc, char** argv);
extern int chmod_chown_chgrp_main(int argc, char** argv);
extern int busybox_main(int argc, char** argv);
extern int cat_main(int argc, char** argv);
extern int chmod_chown_chgrp_main(int argc, char** argv);