Using the cDEC$ OPTIONS Directive

The cDEC$ OPTIONS directive allows source code control of the alignment of fields in record structures and data items in common blocks. The fields and data items can be naturally aligned (for performance reasons) or they can be packed together on arbitrary byte boundaries.

Using this directive is an alternative to the compiler option /[no]alignment, which affects the alignment of all fields in record structures and data items in common blocks in the current program unit.

For more information: