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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7358 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
345 lines
12 KiB
XML
345 lines
12 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-ncurses" role="wrap">
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<?dbhtml filename="ncurses.html"?>
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<title>Ncurses-&ncurses-version;</title>
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<indexterm zone="ch-system-ncurses">
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<primary sortas="a-Ncurses">Ncurses</primary>
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</indexterm>
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<sect2 role="package">
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<title/>
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<para>The Ncurses package contains libraries for terminal-independent
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handling of character screens.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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<seglistitem>
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<seg>0.6 SBU</seg>
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<seg>18.6 MB</seg>
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</seglistitem>
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</segmentedlist>
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<segmentedlist>
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<segtitle>&dependencies;</segtitle>
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<seglistitem>
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<seg>Bash, Binutils, Coreutils, Diffutils, Gawk, GCC, Glibc, Grep,
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Make, and Sed</seg>
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</seglistitem>
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</segmentedlist>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Ncurses</title>
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<!-- Uncomment if using a dated ncurses release instead of a numbered one.
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<para>Since the release of Ncurses-&ncurses-version;, some bugs have been fixed
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and features added. The most important news are .......
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To get these fixes and features, apply the rollup patch:</para>
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<screen><userinput>bzcat ../&ncurses-rollup-patch; | patch -Np1</userinput></screen>
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-->
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<para>Since the release of Ncurses-&ncurses-version;, a memory leak and some
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display bugs were found and fixed upstream. Apply those fixes:</para>
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<screen><userinput>patch -Np1 -i ../&ncurses-fixes-patch;</userinput></screen>
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<para>Prepare Ncurses for compilation:</para>
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<screen><userinput>./configure --prefix=/usr --with-shared --without-debug --enable-widec</userinput></screen>
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<variablelist>
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<title>The meaning of the configure option:</title>
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<varlistentry>
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<term><parameter>--enable-widec</parameter></term>
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<listitem>
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<para>This switch causes wide-character libraries (e.g., <filename
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class="libraryfile">libncursesw.so.&ncurses-version;</filename>)
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to be built instead of normal ones (e.g., <filename
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class="libraryfile">libncurses.so.&ncurses-version;</filename>).
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These wide-character libraries are usable in both multibyte and
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traditional 8-bit locales, while normal libraries work properly
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only in 8-bit locales. Wide-character and normal libraries are
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source-compatible, but not binary-compatible.</para>
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</listitem>
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</varlistentry>
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<!--
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<varlistentry>
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<term><parameter>- -without-cxx-binding</parameter></term>
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<listitem>
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<para>This optional switch causes the
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<filename class="libraryfile">libncurses++w.a</filename> library
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not to be built. Nothing in LFS and BLFS uses this library.</para>
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</listitem>
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</varlistentry>
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-->
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</variablelist>
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<para>Compile the package:</para>
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<screen><userinput>make</userinput></screen>
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<para>This package does not come with a test suite.</para>
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<para>Install the package:</para>
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<screen><userinput>make install</userinput></screen>
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<para>Give the Ncurses libraries execute permissions:</para>
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<screen><userinput>chmod -v 755 /usr/lib/*.&ncurses-version;</userinput></screen>
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<para>Fix a library that should not be executable:</para>
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<screen><userinput>chmod -v 644 /usr/lib/libncurses++w.a</userinput></screen>
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<para>Move the libraries to the <filename class="directory">/lib</filename> directory,
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where they are expected to reside:</para>
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<screen><userinput>mv -v /usr/lib/libncursesw.so.5* /lib</userinput></screen>
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<para>Because the libraries have been moved, one symlink points to
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a non-existent file. Recreate it:</para>
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<screen><userinput>ln -sfv ../../lib/libncursesw.so.5 /usr/lib/libncursesw.so</userinput></screen>
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<para>Many applications still expect the linker to be able to find
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non-wide-character Ncurses libraries. Trick such applications into linking with
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wide-character libraries by means of symlinks and linker scripts:</para>
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<screen><userinput>for lib in curses ncurses form panel menu ; do \
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rm -vf /usr/lib/lib${lib}.so ; \
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echo "INPUT(-l${lib}w)" >/usr/lib/lib${lib}.so ; \
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ln -sfv lib${lib}w.a /usr/lib/lib${lib}.a ; \
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done &&
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ln -sfv libncurses++w.a /usr/lib/libncurses++.a</userinput></screen>
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<para>Finally, make sure that old applications that look for
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<filename class="libraryfile">-lcurses</filename> at build time are still
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buildable:</para>
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<screen><userinput>echo "INPUT(-lncursesw)" >/usr/lib/libcursesw.so &&
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ln -sfv libncurses.so /usr/lib/libcurses.so &&
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ln -sfv libncursesw.a /usr/lib/libcursesw.a &&
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ln -sfv libncurses.a /usr/lib/libcurses.a</userinput></screen>
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<note>
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<para>The instructions above don't create non-wide-character Ncurses
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libraries since no package installed by compiling from sources would
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link against them at runtime. If you must have such libraries because
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of some binary-only application, build them with the following
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commands:</para>
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<screen role="nodump"><userinput>make distclean &&
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./configure --prefix=/usr --with-shared --without-normal \
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--without-debug --without-cxx-binding &&
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make sources libs &&
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cp -av lib/lib*.so.5* /usr/lib</userinput></screen>
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</note>
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</sect2>
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<sect2 id="contents-ncurses" role="content">
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<title>Contents of Ncurses</title>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<segtitle>Installed libraries</segtitle>
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<seglistitem>
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<seg>captoinfo (link to tic), clear, infocmp, infotocap (link to tic),
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reset (link to tset), tack, tic, toe, tput, and tset</seg>
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<seg>libcursesw.[a,so] (symlink and linker script to libncursesw.[a,so]),
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libformw.[a,so], libmenuw.[a,so], libncurses++w.a, libncursesw.[a,so],
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libpanelw.[a,so] and their non-wide-character counterparts without "w"
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in the library names.</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="captoinfo">
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<term><command>captoinfo</command></term>
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<listitem>
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<para>Converts a termcap description into a terminfo description</para>
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<indexterm zone="ch-system-ncurses captoinfo">
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<primary sortas="b-captoinfo">captoinfo</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="clear">
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<term><command>clear</command></term>
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<listitem>
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<para>Clears the screen, if possible</para>
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<indexterm zone="ch-system-ncurses clear">
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<primary sortas="b-clear">clear</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="infocmp">
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<term><command>infocmp</command></term>
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<listitem>
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<para>Compares or prints out terminfo descriptions</para>
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<indexterm zone="ch-system-ncurses infocmp">
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<primary sortas="b-infocmp">infocmp</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="infotocap">
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<term><command>infotocap</command></term>
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<listitem>
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<para>Converts a terminfo description into a termcap description</para>
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<indexterm zone="ch-system-ncurses infotocap">
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<primary sortas="b-infotocap">infotocap</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="reset">
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<term><command>reset</command></term>
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<listitem>
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<para>Reinitializes a terminal to its default values</para>
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<indexterm zone="ch-system-ncurses reset">
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<primary sortas="b-reset">reset</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="tack">
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<term><command>tack</command></term>
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<listitem>
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<para>The terminfo action checker; it is mainly used to test the
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accuracy of an entry in the terminfo database</para>
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<indexterm zone="ch-system-ncurses tack">
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<primary sortas="b-tack">tack</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="tic">
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<term><command>tic</command></term>
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<listitem>
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<para>The terminfo entry-description compiler that translates a
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terminfo file from source format into the binary format needed for the
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ncurses library routines. A terminfo file contains information on the
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capabilities of a certain terminal</para>
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<indexterm zone="ch-system-ncurses tic">
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<primary sortas="b-tic">tic</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="toe">
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<term><command>toe</command></term>
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<listitem>
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<para>Lists all available terminal types, giving the primary name and
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description for each</para>
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<indexterm zone="ch-system-ncurses toe">
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<primary sortas="b-toe">toe</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="tput">
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<term><command>tput</command></term>
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<listitem>
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<para>Makes the values of terminal-dependent capabilities available to
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the shell; it can also be used to reset or initialize a terminal or
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report its long name</para>
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<indexterm zone="ch-system-ncurses tput">
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<primary sortas="b-tput">tput</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="tset">
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<term><command>tset</command></term>
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<listitem>
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<para>Can be used to initialize terminals</para>
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<indexterm zone="ch-system-ncurses tset">
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<primary sortas="b-tset">tset</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libcurses">
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<term><filename class="libraryfile">libcurses</filename></term>
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<listitem>
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<para>A link to <filename>libncurses</filename></para>
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<indexterm zone="ch-system-ncurses libcurses">
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<primary sortas="c-libcurses">libcurses</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libncurses">
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<term><filename class="libraryfile">libncurses</filename></term>
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<listitem>
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<para>Contains functions to display text in many complex ways on a
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terminal screen; a good example of the use of these functions is the
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menu displayed during the kernel's <command>make
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menuconfig</command></para>
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<indexterm zone="ch-system-ncurses libncurses">
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<primary sortas="c-libncurses">libncurses</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libform">
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<term><filename class="libraryfile">libform</filename></term>
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<listitem>
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<para>Contains functions to implement forms</para>
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<indexterm zone="ch-system-ncurses libform">
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<primary sortas="c-libform">libform</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libmenu">
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<term><filename class="libraryfile">libmenu</filename></term>
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<listitem>
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<para>Contains functions to implement menus</para>
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<indexterm zone="ch-system-ncurses libmenu">
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<primary sortas="c-libmenu">libmenu</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libpanel">
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<term><filename class="libraryfile">libpanel</filename></term>
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<listitem>
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<para>Contains functions to implement panels</para>
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<indexterm zone="ch-system-ncurses libpanel">
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<primary sortas="c-libpanel">libpanel</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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