+char *concat_subpath_file(const char *path, const char *filename);
+char *last_char_is(const char *s, int c);
+
+extern long arith (const char *startbuf, int *errcode);
+
+int read_package_field(const char *package_buffer, char **field_name, char **field_value);
+//#warning yuk!
+char *fgets_str(FILE *file, const char *terminating_string);
+
+extern int uncompress(int fd_in, int fd_out);
+extern int inflate(int in, int out);
+
+extern struct hostent *xgethostbyname(const char *name);
+extern struct hostent *xgethostbyname2(const char *name, int af);
+extern int create_icmp_socket(void);
+extern int create_icmp6_socket(void);
+extern int xconnect(struct sockaddr_in *s_addr);
+extern int bb_getport(const char *port);
+extern void bb_lookup_host(struct sockaddr_in *s_in, const char *host, const char *port);
+
+//#warning wrap this?
+char *dirname (char *path);
+
+int bb_make_directory (char *path, long mode, int flags);
+
+const char *u_signal_names(const char *str_sig, int *signo, int startnum);
+char *bb_simplify_path(const char *path);
+
+enum { /* DO NOT CHANGE THESE VALUES! cp.c depends on them. */
+ FILEUTILS_PRESERVE_STATUS = 1,
+ FILEUTILS_DEREFERENCE = 2,
+ FILEUTILS_RECUR = 4,
+ FILEUTILS_FORCE = 8,
+ FILEUTILS_INTERACTIVE = 16
+};
+
+extern const char *bb_applet_name;
+
+extern const char * const bb_msg_full_version;
+extern const char * const bb_msg_memory_exhausted;
+extern const char * const bb_msg_invalid_date;
+extern const char * const bb_msg_io_error;
+extern const char * const bb_msg_write_error;
+extern const char * const bb_msg_name_longer_than_foo;
+extern const char * const bb_msg_unknown;
+extern const char * const bb_msg_can_not_create_raw_socket;
+extern const char * const bb_msg_perm_denied_are_you_root;
+extern const char * const bb_msg_standard_input;
+extern const char * const bb_msg_standard_output;
+
+extern const char * const bb_path_nologin_file;
+extern const char * const bb_path_passwd_file;
+extern const char * const bb_path_shadow_file;
+extern const char * const bb_path_gshadow_file;
+extern const char * const bb_path_group_file;
+extern const char * const bb_path_securetty_file;
+extern const char * const bb_path_motd_file;
+
+/*
+ * You can change LIBBB_DEFAULT_LOGIN_SHELL, but don`t use,
+ * use bb_default_login_shell and next defines,
+ * if you LIBBB_DEFAULT_LOGIN_SHELL change,
+ * don`t lose change increment constant!
+ */
+#define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
+
+extern const char * const bb_default_login_shell;
+/* "/bin/sh" */
+#define DEFAULT_SHELL (bb_default_login_shell+1)
+/* "sh" */
+#define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
+
+
+extern const char bb_path_mtab_file[];
+
+extern int bb_default_error_retval;
+
+#ifdef CONFIG_FEATURE_DEVFS
+# define CURRENT_VC "/dev/vc/0"
+# define VC_1 "/dev/vc/1"
+# define VC_2 "/dev/vc/2"
+# define VC_3 "/dev/vc/3"
+# define VC_4 "/dev/vc/4"
+# define VC_5 "/dev/vc/5"
+#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
+/* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
+ respective serial ports .. as such, we can't use the common device paths for
+ these. -- PFM */
+# define SC_0 "/dev/ttsc/0"
+# define SC_1 "/dev/ttsc/1"
+# define SC_FORMAT "/dev/ttsc/%d"
+#else
+# define SC_0 "/dev/tts/0"
+# define SC_1 "/dev/tts/1"
+# define SC_FORMAT "/dev/tts/%d"
+#endif
+# define VC_FORMAT "/dev/vc/%d"
+# define LOOP_FORMAT "/dev/loop/%d"
+# define FB_0 "/dev/fb/0"
+#else
+# define CURRENT_VC "/dev/tty0"
+# define VC_1 "/dev/tty1"
+# define VC_2 "/dev/tty2"
+# define VC_3 "/dev/tty3"
+# define VC_4 "/dev/tty4"
+# define VC_5 "/dev/tty5"
+#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
+# define SC_0 "/dev/ttySC0"
+# define SC_1 "/dev/ttySC1"
+# define SC_FORMAT "/dev/ttySC%d"
+#else
+# define SC_0 "/dev/ttyS0"
+# define SC_1 "/dev/ttyS1"
+# define SC_FORMAT "/dev/ttyS%d"
+#endif
+# define VC_FORMAT "/dev/tty%d"
+# define LOOP_FORMAT "/dev/loop%d"
+# define FB_0 "/dev/fb0"
+#endif
+
+//#warning put these in .o files
+
+/* The following devices are the same on devfs and non-devfs systems. */
+#define CURRENT_TTY "/dev/tty"
+#define CONSOLE_DEV "/dev/console"
+
+int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
+void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
+void reset_ino_dev_hashtable(void);
+
+/* Stupid gcc always includes its own builtin strlen()... */
+extern size_t bb_strlen(const char *string);
+#define strlen(x) bb_strlen(x)
+
+void bb_xasprintf(char **string_ptr, const char *format, ...) __attribute__ ((format (printf, 2, 3)));
+
+
+#define FAIL_DELAY 3
+extern void change_identity ( const struct passwd *pw );
+extern const char *change_identity_e2str ( const struct passwd *pw );
+extern void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args
+#ifdef CONFIG_SELINUX
+ , security_id_t sid
+#endif
+);
+extern int run_parts(char **args, const unsigned char test_mode, char **env);
+extern int restricted_shell ( const char *shell );
+extern void setup_environment ( const char *shell, int loginshell, int changeenv, const struct passwd *pw );
+extern int correct_password ( const struct passwd *pw );
+extern char *pw_encrypt(const char *clear, const char *salt);
+extern struct spwd *pwd_to_spwd(const struct passwd *pw);
+extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
+
+extern int bb_xopen(const char *pathname, int flags);
+extern ssize_t bb_xread(int fd, void *buf, size_t count);
+extern void bb_xread_all(int fd, void *buf, size_t count);
+extern unsigned char bb_xread_char(int fd);
+
+typedef struct {
+ int pid;
+ char user[9];
+ char state[4];
+ unsigned long rss;
+ int ppid;
+#ifdef FEATURE_CPU_USAGE_PERCENTAGE
+ unsigned pcpu;
+ unsigned long stime, utime;
+#endif
+ char *cmd;
+
+ /* basename of executable file in call to exec(2),
+ size from kernel headers */
+ char short_cmd[16];
+} procps_status_t;
+
+extern procps_status_t * procps_scan(int save_user_arg0
+#ifdef CONFIG_SELINUX
+ , int use_selinux, security_id_t *sid
+#endif
+);
+extern unsigned short compare_string_array(const char *string_array[], const char *key);
+
+extern int my_query_module(const char *name, int which, void **buf, size_t *bufsize, size_t *ret);
+
+typedef struct llist_s {
+ char *data;
+ struct llist_s *link;
+} llist_t;
+extern llist_t *llist_add_to(llist_t *old_head, char *new_item);
+
+extern void print_login_issue(const char *issue_file, const char *tty);
+extern void print_login_prompt(void);
+
+extern void vfork_daemon_rexec(int argc, char **argv, char *foreground_opt);
+extern void get_terminal_width_height(int fd, int *width, int *height);
+extern unsigned long get_ug_id(const char *s, long (*my_getxxnam)(const char *));
+extern void xregcomp(regex_t *preg, const char *regex, int cflags);
+
+#define HASH_SHA1 1
+#define HASH_MD5 2
+extern int hash_fd(int fd, const off_t size, const uint8_t hash_algo, uint8_t *hashval);
+