libgsf: libgsf (structured file I/O library) libgsf: libgsf: libgsf aims to provide an efficient extensible I/O abstraction for libgsf: dealing with different structured file formats. libgsf: libgsf: libgsf is used by libwv2, which is used by various word processors libgsf: to import .doc format files. libgsf: libgsf: libgsf: libgsf: