+ /* fields that help us in building strings */
+ unsigned char bus_id[SYSFS_NAME_LEN];
+ unsigned char callout_value[NAME_SIZE];
+ unsigned char kernel_number[NAME_SIZE];
+
+};
+
+#define strfieldcpy(to, from) \
+do { \
+ to[sizeof(to)-1] = '\0'; \
+ strncpy(to, from, sizeof(to)-1); \
+} while (0)
+
+extern int udev_add_device(char *path, char *subsystem);
+extern int udev_remove_device(char *path, char *subsystem);
+extern void udev_init_config(void);
+
+extern char **main_argv;
+extern char **main_envp;
+extern char sysfs_path[SYSFS_PATH_MAX];
+extern char udev_root[PATH_MAX];
+extern char udev_db_filename[PATH_MAX+NAME_MAX];
+extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
+extern char udev_config_filename[PATH_MAX+NAME_MAX];
+extern char udev_rules_filename[PATH_MAX+NAME_MAX];
+extern char default_mode_str[NAME_MAX];
+
+#endif