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_rp.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"
@@ -42,21 +41,22 @@
 /* some demo stuff needed */
 #include "handlers.h"
 #include "txbuf.h"
+#include "client.h"
 
 /** @file s_rp.c  Send Read Property request. */
 
 /** Sends a Read Property request.
  * @ingroup DSRP
- *  
+ *
  * @param device_id [in] ID of the destination device
  * @param object_type [in]  Type of the object whose property is to be read.
  * @param object_instance [in] Instance # of the object to be read.
  * @param object_property [in] Property to be read, but not ALL, REQUIRED, or OPTIONAL.
- * @param array_index [in] Optional: if the Property is an array,  
+ * @param array_index [in] Optional: if the Property is an array,
  *   - 0 for the array size
  *   - 1 to n for individual array members
  *   - -1 for the full array to be read.
- * @return invoke id of outgoing message, or 0 if device is not bound or no tsm available 
+ * @return invoke id of outgoing message, or 0 if device is not bound or no tsm available
  */
 uint8_t Send_Read_Property_Request(
     uint32_t device_id, /* destination device */