diff --git a/cwCommon.h b/cwCommon.h
index 8fc56c1..ea70dd8 100644
--- a/cwCommon.h
+++ b/cwCommon.h
@@ -41,7 +41,8 @@ namespace cw
    kLabelNotFoundRC,        // 22 - use by cwObject to indicate that an optional value does not exist.
    kDuplicateRC,            // 23 - an invalid duplicate was detected
    kAssertFailRC,           // 24 - used with cwLogFatal
-   kBaseAppRC               // 25
+   kInvalidDataTypeRC,      // 25
+   kBaseAppRC               // 26
   } cwRC_t;
 
   typedef unsigned rc_t;
diff --git a/cwCommonImpl.h b/cwCommonImpl.h
index c7950f4..898b0d0 100644
--- a/cwCommonImpl.h
+++ b/cwCommonImpl.h
@@ -21,6 +21,7 @@
 #define cwPOSIX_FILE_SYS
 #include <time.h>         // timespec
 #include <netinet/in.h>	  // struct sockaddr_in
+#include <unistd.h>       // close()
 #define cwPathSeparatorChar '/'
 #endif
 
diff --git a/cwEuCon.cpp b/cwEuCon.cpp
index 5b3c26a..69cd9c9 100644
--- a/cwEuCon.cpp
+++ b/cwEuCon.cpp
@@ -717,13 +717,14 @@ cw::rc_t cw::eucon::exec( handle_t h, unsigned sockTimeOutMs )
 
 bool  cw::eucon::areMsgsWaiting( handle_t h )
 {
-  eucon_t* p = _handleToPtr(h);
+  //eucon_t* p = _handleToPtr(h);
+  return false;
 }
         
 cw::rc_t  cw::eucon::getMsgs( handle_t h, msgCallback_t cbFunc, void* cbArg )
 {
   rc_t     rc = kOkRC;
-  eucon_t* p  = _handleToPtr(h);
+  //eucon_t* p  = _handleToPtr(h);
 
   return rc;
 }
@@ -732,7 +733,7 @@ cw::rc_t  cw::eucon::getMsgs( handle_t h, msgCallback_t cbFunc, void* cbArg )
 cw::rc_t cw::eucon::sendMsg( handle_t h, unsigned flags, unsigned channel, unsigned ivalue, float fvalue )
 {
   rc_t     rc = kOkRC;
-  eucon_t* p  = _handleToPtr(h);
+  //eucon_t* p  = _handleToPtr(h);
   
   return rc;
 }