+/**
+ * Status code. Errors are always negative.
+ */
+enum bt_plugin_status {
+ /** No error, okay. */
+ BT_PLUGIN_STATUS_OK = 0,
+ /** General error. */
+ BT_PLUGIN_STATUS_ERROR = -1,
+ /** Memory allocation failure. */
+ BT_PLUGIN_STATUS_NOMEM = -4,
+};
+
+extern struct bt_plugin *bt_plugin_find(const char *plugin_name);
+
+extern struct bt_component_class *bt_plugin_find_component_class(
+ const char *plugin_name, const char *component_class_name,
+ enum bt_component_class_type component_class_type);
+
+extern struct bt_plugin_set *bt_plugin_create_all_from_file(const char *path);
+
+extern struct bt_plugin_set *bt_plugin_create_all_from_dir(const char *path,
+ bool recurse);
+
+extern struct bt_plugin_set *bt_plugin_create_all_from_static(void);
+
+/**
+ * Get the name of a plug-in.
+ *
+ * @param plugin An instance of a plug-in
+ * @returns Plug-in name or NULL on error
+ */
+extern const char *bt_plugin_get_name(struct bt_plugin *plugin);
+
+/**
+ * Get the name of a plug-in's author.
+ *
+ * @param plugin An instance of a plug-in
+ * @returns Plug-in author or NULL on error
+ */
+extern const char *bt_plugin_get_author(struct bt_plugin *plugin);
+
+/**
+ * Get the license of a plug-in.
+ *
+ * @param plugin An instance of a plug-in
+ * @returns Plug-in license or NULL on error
+ */
+extern const char *bt_plugin_get_license(struct bt_plugin *plugin);
+
+/**
+ * Get the decription of a plug-in.
+ *
+ * @param plugin An instance of a plug-in
+ * @returns Plug-in description or NULL if none is available
+ */
+extern const char *bt_plugin_get_description(struct bt_plugin *plugin);
+
+/**
+ * Get the path of a plug-in.
+ *
+ * @param plugin An instance of a plug-in
+ * @returns Plug-in path or NULL on error
+ */
+extern const char *bt_plugin_get_path(struct bt_plugin *plugin);
+
+extern enum bt_plugin_status bt_plugin_get_version(struct bt_plugin *plugin,
+ unsigned int *major, unsigned int *minor, unsigned int *patch,
+ const char **extra);
+
+extern int bt_plugin_get_component_class_count(struct bt_plugin *plugin);
+
+extern struct bt_component_class *bt_plugin_get_component_class(
+ struct bt_plugin *plugin, size_t index);
+
+extern
+struct bt_component_class *bt_plugin_get_component_class_by_name_and_type(
+ struct bt_plugin *plugin, const char *name,
+ enum bt_component_class_type type);
+
+extern
+int bt_plugin_set_get_plugin_count(struct bt_plugin_set *plugin_set);