Updated prototypes and include as required and found by compile with extra checking. Thanks to Nigel Jones for his "setting a bad example" article.

bacnet-stack/demo/handler/s_wp.c

@@ -27,7 +27,6 @@
 #include <errno.h>
 #include <string.h>
 #include "config.h"
-#include "config.h"
 #include "txbuf.h"
 #include "bacdef.h"
 #include "bacdcode.h"
@@ -42,6 +41,7 @@
 /* some demo stuff needed */
 #include "handlers.h"
 #include "txbuf.h"
+#include "client.h"
 
 /** @file s_wp.c  Send a Write Property request. */
 
@@ -128,16 +128,16 @@ uint8_t Send_Write_Property_Request_Data(
 
 /** Sends a Write Property request.
  * @ingroup DSWP
- *  
+ *
  * @param device_id [in] ID of the destination device
  * @param object_type [in]  Type of the object whose property is to be written.
  * @param object_instance [in] Instance # of the object to be written.
  * @param object_property [in] Property to be written.
  * @param object_value [in] The value to be written to the property.
  * @param priority [in] Write priority of 1 (highest) to 16 (lowest)
- * @param array_index [in] Optional: if the Property is an array,  
+ * @param array_index [in] Optional: if the Property is an array,
  *        the index from 1 to n for the individual array member to be written.
- * @return invoke id of outgoing message, or 0 on failure. 
+ * @return invoke id of outgoing message, or 0 on failure.
  */
 uint8_t Send_Write_Property_Request(
     uint32_t device_id,