dio_database_property_to_mask_c

	status.i4.v = dio_database_property_to_mask_c(property.i2.v,
						      property_mask.u4.r)

	This routine converts a database property value to its
	corresponding property mask.

	property	property to convert
			(constants are in 'dbprops')
	property_mask	returned property mask
			(constants are in 'dbprops')

	This function returns status values as follows:

	OK			success
	DIO_BADARG		invalid property mask passed

	This function requires the following include files:

	dbprops_h, diolib_h, acnet_errors_h

	Related functions:

	dio_database_mask_to_property_c

	C/C++ usage:

	short	property = PRREAD;
	int	status;
	unsigned int	property_mask;

	property = dio_database_property_to_mask_c(property,&property_mask);