[word=","] [word=□] □
[word=","] [word=since] □
[word=","] [word=a] □
The one problem with macros that cannot be portably worked around is , since a C block has no value , a macro used as an expression rather than a statement cannot use the techniques just described to avoid multiple evaluation . The participation of the University of Birmingham in the pilot overseas audits conducted by the HEQC was welcomed and proved most timely , since a number of the procedures relating to externally provided programmes were at that time in the process of examination and revision . I believe its a federal jurisdiction , since a state ( in USA terminology ) does not have airspace or seaspace .