abort_to_front

	status.i4.v = abort_to_front()

	This routine pops an abort window to the front.  This window
	must have been created by an earlier call to abort_init.

	This function returns ACNET status values as follows:

	OK			success
	CBS_NOSETUP		no existing abort window

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	abort_init, abort_cancel, abort_cancel_all, abort_check, abort_enable_c,
	abort_assert

	C/C++ usage:

	int	status;

	status = abort_to_front();