+/**
+ * ChimaraGlkWindowType:
+ * @CHIMARA_GLK_TEXT_BUFFER: The styles for text buffer windows.
+ * @CHIMARA_GLK_TEXT_GRID: The styles for text grid windows.
+ *
+ * Specifies the type of windows for which to retrieve the style tag with
+ * chimara_glk_get_tag().
+ */
+typedef enum {
+ CHIMARA_GLK_TEXT_BUFFER,
+ CHIMARA_GLK_TEXT_GRID
+} ChimaraGlkWindowType;
+
+/**
+ * ChimaraError:
+ * @CHIMARA_LOAD_MODULE_ERROR: There was an error opening the plugin containing
+ * the Glk program. The error message from <link
+ * linkend="g-module-error">g_module_error()</link> is appended to the <link
+ * linkend="GError">GError</link> message.
+ * @CHIMARA_NO_GLK_MAIN: The plugin containing the Glk program did not export a
+ * glk_main() function.
+ * @CHIMARA_PLUGIN_NOT_FOUND: An appropriate interpreter plugin for the
+ * autodetected game file type could not be found.
+ * @CHIMARA_PLUGIN_ALREADY_RUNNING: A plugin was opened while there was already
+ * another plugin running in the widget.
+ *
+ * Error codes returned by #ChimaraGlk widgets and subclasses.
+ */
+typedef enum _ChimaraError {
+ CHIMARA_LOAD_MODULE_ERROR,
+ CHIMARA_NO_GLK_MAIN,
+ CHIMARA_PLUGIN_NOT_FOUND,
+ CHIMARA_PLUGIN_ALREADY_RUNNING
+} ChimaraError;
+
+/**
+ * ChimaraResourceType:
+ * @CHIMARA_RESOURCE_SOUND: A sound file.
+ * @CHIMARA_RESOURCE_IMAGE: An image file.
+ *
+ * The type of resource that the Glk program is requesting, passed to a
+ * #ChimaraResourceLoadFunc.
+ */
+typedef enum _ChimaraResourceType {
+ CHIMARA_RESOURCE_SOUND,
+ CHIMARA_RESOURCE_IMAGE
+} ChimaraResourceType;
+
+/**
+ * ChimaraResourceLoadFunc:
+ * @usage: A #ChimaraResourceType constant.
+ * @resnum: The resource number to look for.
+ * @user_data: A pointer to provide to the callback.
+ *
+ * The type of function passed to chimara_glk_set_resource_load_callback(). It
+ * takes a #ChimaraResourceType constant, @usage, to indicate what sort of
+ * resource to look for; @resnum is the resource number to look for, and
+ * @user_data is the user data provided along with the callback. The function
+ * must return an allocated string containing the filename where the resource
+ * can be found.
+ */
+typedef gchar * (*ChimaraResourceLoadFunc)(ChimaraResourceType usage, guint32 resnum, gpointer user_data);
+
+/**
+ * CHIMARA_ERROR:
+ *
+ * The domain of errors raised by Chimara widgets.
+ */
+#define CHIMARA_ERROR chimara_error_quark()
+
+GQuark chimara_error_quark(void);