status.i4.v = abort_cancel_all()

	This routine cancels all earlier calls to abort_init.

	This function returns ACNET status values as follows:

	CBS_MEMFAIL		error in allocating dynamic memory
	CBS_NOSETUP		no existing abort window
	otherwise		number of abort windows cancelled

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	abort_cancel, abort_init, abort_check, abort_enable_c, abort_assert,

	C/C++ usage:

	int	status;

	status = abort_cancel_all();