+extern const char * const full_version;
+extern const char * const name_too_long;
+extern const char * const omitting_directory;
+extern const char * const not_a_directory;
+extern const char * const memory_exhausted;
+extern const char * const invalid_date;
+extern const char * const invalid_option;
+extern const char * const io_error;
+extern const char * const dash_dash_help;
+extern const char * const write_error;
+extern const char * const too_few_args;
+extern const char * const name_longer_than_foo;
+extern const char * const unknown;
+extern const char * const can_not_create_raw_socket;
+
+#ifdef BB_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"
+# define SC_0 "/dev/tts/0"
+# define SC_1 "/dev/tts/1"
+# define VC_FORMAT "/dev/vc/%d"
+# define SC_FORMAT "/dev/tts/%d"
+#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"
+# define SC_0 "/dev/ttyS0"
+# define SC_1 "/dev/ttyS1"
+# define VC_FORMAT "/dev/tty%d"
+# define SC_FORMAT "/dev/ttyS%d"
+#endif
+
+/* The following devices are the same on devfs and non-devfs systems. */
+#define CURRENT_TTY "/dev/tty"
+#define CONSOLE_DEV "/dev/console"