acnet_callback_flush

	acnet_callback_flush()

	This function calls the callback functions for any ACNET Request
	Callback Facility messages which have been received since the
	previous call.  This function is called periodically at non-AST
	level by intype for console applications.  It is also called by
	the shell for Open Access Clients (OACs).  Other processes will
	have to call this function in their periodic update loops.  

	This function requires the following include files:

	acnet_h

	Related functions:

	acnet_callback_init, acnet_callback_handle, intype, window_intype

	C/C++ usage:

	acnet_callback_flush();