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This document describes the IrTcl information retrieval toolkit,
which offers a high-level interface for the development of Z39.50
clients. The toolkit is based on the Tcl/Tk toolkit developed by Prof. John
K. Ousterhout at the University of California [ref 1].
The core of Tcl is rather small but it offers a flexible C API
for easy development of Tcl extensions. The most important Tcl
extension is probably Tk -- A portale GUI for X/WIN32/MAC.
To interface the Z39.50 protocol IrTcl uses the YAZ toolkit.
IrTcl is usually build as a dynamic library (WIN32)
or a shared object (Unix) which is dynamically loaded by using the Tcl's
load
command. However, IrTcl can also be compiled as a
traditional static library.
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