a little bit of Doxygen here and there

server/drivers/CwLnx.c

@@ -404,7 +404,8 @@ CwLnx_hidecursor(int fd)
 /**
  * Initialize the driver.
  * \param drvthis  Pointer to driver structure.
- * \return  Information of success (0) or failure (non-0).
+ * \retval 0   Success.
+ * \retval <0  Error.
  */
 MODULE_EXPORT int
 CwLnx_init(Driver *drvthis)
@@ -945,7 +946,7 @@ CwLnx_num(Driver *drvthis, int x, int num)
 
 
 /**
- * Get number of custom characters available.
+ * Get total number of custom characters available.
  * \param drvthis  Pointer to driver structure.
  * \return  Number of custom characters (always NUM_CCs).
  */