L_InetGetCallback

#include "l_bitmap.h"
#include "ltnet.h"

L_LTNET_API L_INT L_InetGetCallback(hComputer, ppfnCallback, ppUserData)

L_COMP hComputer;	/* computer to get the callback data from */
INETCALLBACK * ppfnCallback;	/* address of variable */
L_VOID ** ppUserData;	/* address of variable */

Gets a pointer to the current callback associated with the specified computer.

Parameter	Description
hComputer	Computer handle for which to retrieve the callback data.
ppfnCallback	Address of a variable to be updated with a pointer to the INETCALLBACK function associated with hComputer.
ppUserData	Address of the variable to be updated with the user defined data associated with the callback function.

Returns

SUCCESS	This function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

This function, together with L_InetSetCallback, can be used to change user defined data associated with a computer handle.

Required DLLs and Libraries

LTNET

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

See Also

Functions:	L_InetServerInit, L_InetAcceptConnect, L_InetConnect, L_InetSetCallback
Topics:	Sending Commands and Responses
	A Client-Server Diagram: Sending Commands and Responses

Example

L_INT  InetGetCallbackExample(L_COMP   hComputer,L_VOID * pData)
{
   L_INT nRet;
   INETCALLBACK pfnCallback;
   L_VOID * pUserData;
   nRet = L_InetGetCallback (hComputer, &pfnCallback, &pUserData);
   if(nRet != SUCCESS)
      return nRet;
   if(pData != pUserData)
   {
      nRet = L_InetSetCallback(hComputer, pfnCallback, pData);
      if(nRet != SUCCESS)
         return nRet;
   }
   return SUCCESS;
}