--- libaitrpc/inc/aitrpc.h	2012/05/17 09:32:51	1.8.2.18
+++ libaitrpc/inc/aitrpc.h	2012/05/17 14:22:24	1.8.2.19
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitrpc.h,v 1.8.2.18 2012/05/17 09:32:51 misho Exp $
+* $Id: aitrpc.h,v 1.8.2.19 2012/05/17 14:22:24 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -233,7 +233,7 @@ typedef struct {
 typedef int (*rpc_callback_t)(rpc_func_t *, struct tagRPCCall *, array_t *);
 
 
-// -----------------------------------------------------------------------
+/* ----------------------------------------------------------------------- */
 
 /* Error support functions */
 
@@ -330,7 +330,7 @@ int rpc_srv_loopServer(rpc_srv_t * __restrict srv);
  * @diskDir = Disk place for BLOB file objects
  * return: -1 == error or 0 bind and created BLOB server instance
  */
-int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir);
+int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, unsigned short Port, const char *diskDir);
 /*
  * rpc_srv_endBLOBServer() - Destroy BLOB server, close all opened sockets and free resources
  *
@@ -534,12 +534,19 @@ void rpc_cli_closeClient(rpc_cli_t ** __restrict cli);
  * @cli = RPC Client session
  * @noreply = We not want RPC reply
  * @tag = Function tag for execution
- * @in_vars = IN RPC call array of rpc values
- * @out_vars = OUT returned array of rpc values, must be free after use with rpc_cli_freeVals()
+ * @in_vars = IN RPC call array of rpc values, may be NULL
+ * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with io_freeVars()
  * return: -1 error or != -1 ok result
  */
-int rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_short tag, 
+int rpc_cli_execCall(rpc_cli_t *cli, int noreply, unsigned short tag, 
 		array_t * __restrict in_vars, array_t ** __restrict out_vars);
+/*
+ * rpc_cli_ping() - Ping RPC server
+ *
+ * @cli = connected client
+ * return: -1 error or !=-1 ping seq id
+ */
+inline int rpc_cli_ping(rpc_cli_t *cli);
 
 
 /*
@@ -549,7 +556,7 @@ int rpc_cli_execCall(rpc_cli_t *cli, int noreply, u_sh
  * @Port = Port for bind server, if Port == 0 default port is selected
  * return: NULL == error or !=NULL connection to BLOB server established
  */
-rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port);
+rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, unsigned short Port);
 /*
  * rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources
  *