added macro for connection;

include/sntl/sntllv2.h

@@ -93,6 +93,10 @@ typedef struct __connection_t {
   usrtc_node_t csnode; /** < node to store the connection within list */
 } conn_t;
 
+#define connection_getpctx(c)     (c)->pctx
+#define connection_getpriv(c)     (c)->pctx->priv
+#define connection_setpriv(c, p)  (c)->pctx->priv = (void *)(p)
+
 struct __connection_rpc_list_type;
 struct __message_t;