Reformat doc comments

Unify the way we document our APIs. See CONTRIBUTING.md for the
rules.

include/wlr/interfaces/wlr_buffer.h

@@ -31,16 +31,16 @@ struct wlr_buffer_resource_interface {
 /**
  * Initialize a buffer. This function should be called by producers. The
  * initialized buffer is referenced: once the producer is done with the buffer
- * they should call wlr_buffer_drop.
+ * they should call wlr_buffer_drop().
  */
 void wlr_buffer_init(struct wlr_buffer *buffer,
 	const struct wlr_buffer_impl *impl, int width, int height);
 
 /**
- * Allows the registration of a wl_resource implementation.
+ * Allows the registration of a struct wl_resource implementation.
  *
- * The matching function will be called for the wl_resource when creating a
- * wlr_buffer from a wl_resource.
+ * The matching function will be called for the struct wl_resource when creating
+ * a struct wlr_buffer from a struct wl_resource.
  */
 void wlr_buffer_register_resource_interface(
 	const struct wlr_buffer_resource_interface *iface);

include/wlr/interfaces/wlr_keyboard.h

@@ -21,7 +21,7 @@ void wlr_keyboard_init(struct wlr_keyboard *keyboard,
 	const struct wlr_keyboard_impl *impl, const char *name);
 
 /**
- * Cleans up all of the resources owned by wlr_keyboard.
+ * Cleans up all of the resources owned by the struct wlr_keyboard.
  */
 void wlr_keyboard_finish(struct wlr_keyboard *keyboard);
 

include/wlr/interfaces/wlr_output.h

@@ -26,7 +26,7 @@
 	WLR_OUTPUT_STATE_SUBPIXEL)
 
 /**
- * A backend implementation of wlr_output.
+ * A backend implementation of struct wlr_output.
  *
  * The commit function is mandatory. Other functions are optional.
  */
@@ -39,7 +39,7 @@ struct wlr_output_impl {
 	 * The hotspot indicates the offset that needs to be applied to the
 	 * top-left corner of the image to match the cursor position. In other
 	 * words, the image should be displayed at (x - hotspot_x, y - hotspot_y).
-	 * The hotspot is given in the texture's coordinate space.
+	 * The hotspot is given in the buffer's coordinate space.
 	 */
 	bool (*set_cursor)(struct wlr_output *output, struct wlr_buffer *buffer,
 		int hotspot_x, int hotspot_y);

include/wlr/interfaces/wlr_tablet_pad.h

@@ -19,9 +19,11 @@ void wlr_tablet_pad_init(struct wlr_tablet_pad *pad,
 	const struct wlr_tablet_pad_impl *impl, const char *name);
 
 /**
- * Cleans up the resources owned by a wlr_tablet_pad.
- * This function will not clean the memory allocated by wlr_tablet_pad_group,
- * it's the responsibility of the caller to clean it.
+ * Cleans up the resources owned by a struct wlr_tablet_pad.
+ *
+ * This function will not clean the memory allocated by
+ * struct wlr_tablet_pad_group, it's the responsibility of the caller to clean
+ * it.
  */
 void wlr_tablet_pad_finish(struct wlr_tablet_pad *pad);