GUAC-1434: Document undocumented function parameters.

src/libguac/guacamole/audio.h

@@ -147,9 +147,23 @@ guac_audio_stream* guac_audio_stream_alloc(guac_client* client,
  * sample are all identical to the current settings, this function has no
  * effect.
  *
+ * @param audio
+ *     The guac_audio_stream to reset.
+ *
  * @param encoder
  *     The guac_audio_encoder to use when encoding audio, or NULL to leave this
  *     unchanged.
+ *
+ * @param rate
+ *     The number of samples per second of PCM data sent to this stream.
+ *
+ * @param channels
+ *     The number of audio channels per sample of PCM data. Legal values are
+ *     1 or 2.
+ *
+ * @param bps
+ *     The number of bits per sample per channel for PCM data. Legal values are
+ *     8 or 16.
  */
 void guac_audio_stream_reset(guac_audio_stream* audio,
         guac_audio_encoder* encoder, int rate, int channels, int bps);

src/libguac/guacamole/client.h

@@ -486,11 +486,18 @@ void guac_client_free(guac_client* client);
  * initial handler lookup table defined in client-handlers.c. The intial
  * handlers will in turn call the client's handler (if defined).
  *
- * @param client The proxy client whose handlers should be called.
- * @param instruction The instruction to pass to the proxy client via the
- *                    appropriate handler.
+ * @param client
+ *     The proxy client whose handlers should be called.
+ *
+ * @param instruction
+ *     The instruction to pass to the proxy client via the appropriate handler.
+ *
+ * @return
+ *     Non-negative if the instruction was handled successfully, or negative
+ *     if an error occurred.
  */
-int guac_client_handle_instruction(guac_client* client, guac_instruction* instruction);
+int guac_client_handle_instruction(guac_client* client,
+        guac_instruction* instruction);
 
 /**
  * Writes a message in the log used by the given client. The logger used will

src/libguac/guacamole/protocol.h

@@ -130,10 +130,19 @@ int guac_protocol_send_log(guac_socket* socket, const char* format, ...);
  * If an error occurs sending the instruction, a non-zero value is
  * returned, and guac_error is set appropriately.
  *
- * @param socket The guac_socket connection to use.
- * @param format A printf-style format string to log.
- * @param ap The va_list containing the arguments to be used when filling the
- *           format string for printing.
+ * @param socket
+ *     The guac_socket connection to use.
+ *
+ * @param format
+ *     A printf-style format string to log.
+ *
+ * @param args
+ *     The va_list containing the arguments to be used when filling the
+ *     format string for printing.
+ *
+ * @return
+ *     Zero if the instruction was sent successfully, non-zero if an error
+ *     occurs.
  */
 int vguac_protocol_send_log(guac_socket* socket, const char* format,
         va_list args);
@@ -626,6 +635,9 @@ int guac_protocol_send_lstroke(guac_socket* socket,
  * @param layer
  *     The destination layer.
  *
+ * @param mimetype
+ *     The mimetype of the image data being sent.
+ *
  * @param x
  *     The X coordinate of the upper-left corner of the destination rectangle
  *     within the destination layer, in pixels.