287 lines
6.5 KiB
TeX
287 lines
6.5 KiB
TeX
\chapter{Undocumented Modules}
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\label{undoc}
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Here's a quick listing of modules that are currently undocumented, but
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that should be documented. Feel free to contribute documentation for
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them! (The idea and most contents for this chapter were taken from a
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posting by Fredrik Lundh; I have revised some modules' status.)
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\section{Frameworks; somewhat harder to document, but well worth the effort}
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\begin{description}
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\item[Tkinter.py]
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--- Interface to Tcl/Tk for graphical user interfaces;
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Fredrik Lundh is working on this one!
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\item[Tkdnd.py]
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--- Drag-and-drop support for \module{Tkinter}.
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\item[CGIHTTPServer.py]
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--- CGI-savvy HTTP Server
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\item[SimpleHTTPServer.py]
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--- Simple HTTP Server
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\item[test]
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--- Regression testing framework. This is used for the Python
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regression test, but is useful for other Python libraries as well.
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This is a package rather than a module.
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\end{description}
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\section{Stuff useful to a lot of people, including the CGI crowd}
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\begin{description}
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\item[MimeWriter.py]
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--- Generic MIME writer
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\end{description}
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\section{Miscellaneous useful utilities}
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Some of these are very old and/or not very robust; marked with ``hmm''.
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\begin{description}
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\item[cmp.py]
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--- Efficiently compare files
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\item[cmpcache.py]
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--- Efficiently compare files (uses statcache)
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\item[dircache.py]
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--- like os.listdir, but caches results
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\item[dircmp.py]
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--- class to build directory diff tools on
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\item[linecache.py]
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--- Cache lines from files (used by pdb)
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\item[pipes.py]
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--- Conversion pipeline templates (hmm)
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\item[statcache.py]
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--- Maintain a cache of file stats
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\item[colorsys.py]
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--- Conversion between RGB and other color systems
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\item[dbhash.py]
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--- (g)dbm-like wrapper for bsdhash.hashopen
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\item[mhlib.py]
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--- MH interface
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\item[pty.py]
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--- Pseudo terminal utilities
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\item[tty.py]
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--- Terminal utilities
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\item[bdb.py]
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--- A generic Python debugger base class (used by pdb)
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\item[wdb.py]
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--- A primitive windowing debugger based on STDWIN.
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\item[ihooks.py]
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--- Import hook support (for rexec)
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\end{description}
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\section{Parsing Python}
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(One could argue that these should all be documented together with the
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parser module.)
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\begin{description}
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\item[tokenize.py]
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--- regular expression that recognizes Python tokens; also
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contains helper code for colorizing Python source code.
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\item[pyclbr.py]
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--- Parse a Python file and retrieve classes and methods
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\end{description}
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\section{Platform specific modules}
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\begin{description}
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\item[ntpath.py]
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--- equivalent of posixpath on 32-bit Windows
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\item[dospath.py]
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--- equivalent of posixpath on MS-DOS
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\end{description}
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\section{Multimedia}
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\begin{description}
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\item[audiodev.py]
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--- Plays audio files
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\item[sunau.py]
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--- parse Sun and NeXT audio files
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\item[sunaudio.py]
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--- interpret sun audio headers
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\item[toaiff.py]
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--- Convert "arbitrary" sound files to AIFF files
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\item[wave.py]
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--- parse WAVE files
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\end{description}
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\section{Oddities}
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These modules are probably also obsolete, or just not very useful.
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\begin{description}
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\item[dump.py]
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--- Print python code that reconstructs a variable
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\item[find.py]
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--- find files matching pattern in directory tree
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\item[fpformat.py]
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--- General floating point formatting functions ---
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interesting demonstration of how to do this without using the \C{}
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library
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\item[grep.py]
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--- grep
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\item[mutex.py]
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--- Mutual exclusion --- for use with module sched
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\item[packmail.py]
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--- create a self-unpacking \UNIX{} shell archive
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\item[sched.py]
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--- event scheduler class
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\item[util.py]
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--- useful functions that don't fit elsewhere
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\item[tzparse.py]
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--- Parse a timezone specification (unfinished)
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\end{description}
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\section{Obsolete}
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These modules are not on the standard module search path;
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\indexiii{module}{search}{path}
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but are available in the directory \file{lib-old/} installed under
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\file{\textrm{\$prefix}/lib/python1.5/}. % $ <-- bow to font lock
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To use any of these modules, add that directory to \code{sys.path},
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possibly using \envvar{PYTHONPATH}.
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\begin{description}
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\item[newdir.py]
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--- New dir() function (the standard dir() is now just as good)
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\item[addpack.py]
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--- standard support for "packages"
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\item[codehack.py]
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--- Extract function name or line number from a function
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code object (these are now accessible as attributes: co.co_name,
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func.func_name, co.co_firstlineno).
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\item[fmt.py]
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--- text formatting abstractions (too slow)
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\item[Para.py]
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--- helper for fmt.py
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\item[lockfile.py]
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--- wrapper around FCNTL file locking (use
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\function{fcntl.lockf()}/\function{flock()} intead)
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\item[poly.py]
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--- Polynomials
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\item[tb.py]
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--- Print tracebacks, with a dump of local variables (use
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\function{pdb.pm()} or \refmodule{traceback} instead)
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\item[timingmodule]
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--- Measure time intervals to high resolution (use
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\function{time.clock()} instead). (This is an extension module.)
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\item[whatsound.py]
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--- Recognize sound files; use \refmodule{sndhdr} instead.
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\item[zmod.py]
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--- Compute properties of mathematical "fields"
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\end{description}
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The following modules were documented in previous versions of this
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manual, but are now considered obsolete:
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\begin{description}
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\item[ni]
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--- Import modules in ``packages.'' Basic package support is now
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built in.
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\item[rand]
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--- Old interface to the random number generator.
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\item[soundex]
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--- Algorithm for collapsing names which sound similar to a shared
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key. (This is an extension module.)
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\end{description}
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\section{Extension modules}
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\begin{description}
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\item[bsddbmodule.c]
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--- Interface to the Berkeley DB interface (yet another
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dbm clone).
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\item[cursesmodule.c]
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--- Curses interface.
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\item[dlmodule.c]
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--- A highly experimental and dangerous device for calling
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arbitrary \C{} functions in arbitrary shared libraries.
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\item[newmodule.c]
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--- Tommy Burnette's \module{new} module (creates new empty objects of
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certain kinds) --- dangerous.
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\item[nismodule.c]
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--- NIS (a.k.a. Sun's Yellow Pages) interface.
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\item[stdwinmodule.c]
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--- Interface to STDWIN (an old, unsupported
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platform-independent GUI package). Obsolete; use Tkinter for a
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platform-independent GUI instead.
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\end{description}
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The following are SGI specific:
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\begin{description}
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\item[clmodule.c]
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--- Interface to the SGI compression library.
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\item[svmodule.c]
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--- Interface to the ``simple video'' board on SGI Indigo
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(obsolete hardware).
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\end{description}
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The following is Windows specific:
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\begin{description}
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\item[msvcrtmodule.c]
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(in directory \file{PC/}) --- define a number of Windows
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specific goodies like \function{khbit()}, \function{getch()} and
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\function{setmode()}. (Windows 95 and NT only.)
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\end{description}
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