qof: QOF (Query Object Framework)
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qof: QOF, the Query Object Framework, provides  a set of C Language utilities
qof: for performing generic structured  complex queries on a set of data held
qof: by a set of C/C++ objects. This framework  is unique in that it does NOT
qof: require SQL or any database at all to perform the query. Thus, it allows
qof: programmers to add query support to their applications without having to
qof: hook into an SQL Database.
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