[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[1770019] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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[673b0d8] | 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 4 | %general-entities;
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| 5 | ]>
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[81fd230] | 6 | <sect1 id="ch-system-ncurses" role="wrap">
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[673b0d8] | 7 | <title>Ncurses-&ncurses-version;</title>
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| 8 | <?dbhtml filename="ncurses.html"?>
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[6370fa6] | 9 |
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[673b0d8] | 10 | <indexterm zone="ch-system-ncurses"><primary sortas="a-Ncurses">Ncurses</primary></indexterm>
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| 11 |
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[a001133] | 12 | <sect2 role="package"><title/>
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[81fd230] | 13 | <para>The Ncurses package contains libraries for terminal-independent
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| 14 | handling of character screens.</para>
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[5888299] | 15 |
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[a001133] | 16 | <segmentedlist>
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| 17 | <segtitle>&buildtime;</segtitle>
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| 18 | <segtitle>&diskspace;</segtitle>
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[eb6d9eb] | 19 | <seglistitem><seg>0.6 SBU</seg><seg>18.6 MB</seg></seglistitem>
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[a001133] | 20 | </segmentedlist>
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[673b0d8] | 21 |
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[81fd230] | 22 | <segmentedlist>
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[45992ae] | 23 | <segtitle>&dependencies;</segtitle>
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[81fd230] | 24 | <seglistitem><seg>Bash, Binutils, Coreutils, Diffutils,
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| 25 | Gawk, GCC, Glibc, Grep, Make, and Sed</seg></seglistitem>
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| 26 | </segmentedlist>
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[a001133] | 27 | </sect2>
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[3554fa3a] | 28 |
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[a001133] | 29 | <sect2 role="installation">
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[73aedd1d] | 30 | <title>Installation of Ncurses</title>
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[46a2e9c] | 31 | <!-- Uncomment if using a dated ncurses release instead of a numbered one.
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| 32 |
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| 33 | <para>Since the release of Ncurses-&ncurses-version;, some bugs have been fixed
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| 34 | and features added. The most important news are .......
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| 35 | To get these fixes and features, apply the rollup patch:</para>
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| 36 |
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| 37 | <screen><userinput>bzcat ../&ncurses-rollup-patch; | patch -Np1</userinput></screen>
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| 38 | -->
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| 39 |
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| 40 | <para>Since the release of Ncurses-&ncurses-version;, a memory leak and some
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| 41 | display bugs were found and fixed upstream. Apply those fixes:</para>
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| 42 |
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| 43 | <screen><userinput>patch -Np1 -i ../&ncurses-fixes-patch;</userinput></screen>
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[73aedd1d] | 44 |
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[21308e2] | 45 | <para>Prepare Ncurses for compilation:</para>
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[73aedd1d] | 46 |
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[46a2e9c] | 47 | <screen><userinput>./configure --prefix=/usr --with-shared --without-debug --enable-widec</userinput></screen>
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| 48 |
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| 49 | <para>The meaning of the configure options:</para>
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| 50 |
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| 51 | <variablelist>
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| 52 | <varlistentry>
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| 53 | <term><parameter>--enable-widec</parameter></term>
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| 54 | <listitem><para>This switch causes wide-character libraries
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| 55 | (e.g., <filename class="libraryfile">libncursesw.so.&ncurses-version;</filename>)
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| 56 | to be built instead of normal ones
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| 57 | (e.g., <filename class="libraryfile">libncurses.so.&ncurses-version;</filename>).
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| 58 | These wide-character libraries are usable in both multibyte and traditional 8-bit
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| 59 | locales, while normal libraries work properly only in 8-bit locales.
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| 60 | Wide-character and normal libraries are source-compatible, but not
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| 61 | binary-compatible.</para>
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| 62 | </listitem>
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| 63 | </varlistentry>
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| 64 | <!--
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| 65 | <varlistentry>
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| 66 | <term><parameter>- -without-cxx-binding</parameter></term>
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| 67 | <listitem><para>This optional switch causes the
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| 68 | <filename class="libraryfile">libncurses++w.a</filename> library
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| 69 | not to be built. Nothing in LFS and BLFS uses this library.</para>
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| 70 | </listitem>
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| 71 | </varlistentry>
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| 72 | -->
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| 73 | </variablelist>
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[73aedd1d] | 74 |
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| 75 | <para>Compile the package:</para>
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| 76 |
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| 77 | <screen><userinput>make</userinput></screen>
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| 78 |
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[81fd230] | 79 | <para>This package does not come with a test suite.</para>
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| 80 |
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[73aedd1d] | 81 | <para>Install the package:</para>
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| 82 |
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| 83 | <screen><userinput>make install</userinput></screen>
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| 84 |
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| 85 | <para>Give the Ncurses libraries execute permissions:</para>
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| 86 |
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[5998892] | 87 | <screen><userinput>chmod -v 755 /usr/lib/*.&ncurses-version;</userinput></screen>
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[73aedd1d] | 88 |
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[81fd230] | 89 | <para>Fix a library that should not be executable:</para>
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[73aedd1d] | 90 |
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[46a2e9c] | 91 | <screen><userinput>chmod -v 644 /usr/lib/libncurses++w.a</userinput></screen>
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[73aedd1d] | 92 |
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[81fd230] | 93 | <para>Move the libraries to the <filename class="directory">/lib</filename> directory,
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| 94 | where they are expected to reside:</para>
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[73aedd1d] | 95 |
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[46a2e9c] | 96 | <screen><userinput>mv -v /usr/lib/libncursesw.so.5* /lib</userinput></screen>
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| 97 |
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| 98 | <para>Because the libraries have been moved, one symlink points to
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| 99 | a non-existent file. Recreate it:</para>
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| 100 |
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| 101 | <screen><userinput>ln -sfv ../../lib/libncursesw.so.5 /usr/lib/libncursesw.so</userinput></screen>
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| 102 |
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| 103 | <para>Many applications still expect the linker to be able to find
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| 104 | non-wide-character Ncurses libraries. Trick such applications into linking with
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| 105 | wide-character libraries by means of symlinks and linker scripts:</para>
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| 106 |
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| 107 | <screen><userinput>for lib in curses ncurses form panel menu ; do \
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| 108 | rm -vf /usr/lib/lib${lib}.so ; \
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| 109 | echo "INPUT(-l${lib}w)" >/usr/lib/lib${lib}.so ; \
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| 110 | ln -sfv lib${lib}w.a /usr/lib/lib${lib}.a ; \
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| 111 | done &&
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| 112 | ln -sfv libncurses++w.a /usr/lib/libncurses++.a</userinput></screen>
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| 113 |
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| 114 | <para>Finally, make sure that old applications that look for
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[e1ca33a] | 115 | <filename class="libraryfile">-lcurses</filename> at build time are still
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[46a2e9c] | 116 | buildable:</para>
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| 117 |
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| 118 | <screen><userinput>echo "INPUT(-lncursesw)" >/usr/lib/libcursesw.so &&
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| 119 | ln -sfv libncurses.so /usr/lib/libcurses.so &&
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| 120 | ln -sfv libncursesw.a /usr/lib/libcursesw.a &&
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| 121 | ln -sfv libncurses.a /usr/lib/libcurses.a</userinput></screen>
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| 122 |
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| 123 | <note><para>The instructions above don't create non-wide-character Ncurses
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| 124 | libraries since no package installed by compiling from sources would link
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| 125 | against them at runtime.
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| 126 | If you must have such libraries because of some binary-only application,
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| 127 | build them with the following commands:</para>
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| 128 | <screen role="nodump"><userinput>make distclean &&
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| 129 | ./configure --prefix=/usr --with-shared --without-normal \
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| 130 | --without-debug --without-cxx-binding &&
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| 131 | make sources libs &&
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| 132 | cp -av lib/lib*.so.5* /usr/lib</userinput></screen>
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| 133 | </note>
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[73aedd1d] | 134 | </sect2>
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[6370fa6] | 135 |
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[5888299] | 136 |
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[c6cb3aa] | 137 | <sect2 id="contents-ncurses" role="content"><title>Contents of Ncurses</title>
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[673b0d8] | 138 |
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[81fd230] | 139 | <segmentedlist>
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| 140 | <segtitle>Installed programs</segtitle>
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| 141 | <segtitle>Installed libraries</segtitle>
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| 142 | <seglistitem><seg>captoinfo (link to tic), clear, infocmp, infotocap (link to tic),
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| 143 | reset (link to tset), tack, tic, toe, tput, and tset</seg>
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[46a2e9c] | 144 | <seg>libcursesw.[a,so] (symlink and linker script to libncursesw.[a,so]),
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| 145 | libformw.[a,so], libmenuw.[a,so],
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| 146 | libncurses++w.a, libncursesw.[a,so], libpanelw.[a,so] and their
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| 147 | non-wide-character counterparts without "w" in the library names.</seg></seglistitem>
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[81fd230] | 148 | </segmentedlist>
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| 149 |
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| 150 | <variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 151 | <?dbfo list-presentation="list"?>
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[8f97096] | 152 | <?dbhtml list-presentation="table"?>
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[81fd230] | 153 |
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| 154 | <varlistentry id="captoinfo">
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| 155 | <term><command>captoinfo</command></term>
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| 156 | <listitem>
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| 157 | <para>Converts a termcap description into a terminfo description</para>
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| 158 | <indexterm zone="ch-system-ncurses captoinfo"><primary sortas="b-captoinfo">captoinfo</primary></indexterm>
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| 159 | </listitem>
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| 160 | </varlistentry>
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| 161 |
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| 162 | <varlistentry id="clear">
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| 163 | <term><command>clear</command></term>
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| 164 | <listitem>
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| 165 | <para>Clears the screen, if possible</para>
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| 166 | <indexterm zone="ch-system-ncurses clear"><primary sortas="b-clear">clear</primary></indexterm>
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| 167 | </listitem>
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| 168 | </varlistentry>
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| 169 |
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| 170 | <varlistentry id="infocmp">
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| 171 | <term><command>infocmp</command></term>
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| 172 | <listitem>
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| 173 | <para>Compares or prints out terminfo descriptions</para>
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| 174 | <indexterm zone="ch-system-ncurses infocmp"><primary sortas="b-infocmp">infocmp</primary></indexterm>
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| 175 | </listitem>
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| 176 | </varlistentry>
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| 177 |
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| 178 | <varlistentry id="infotocap">
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| 179 | <term><command>infotocap</command></term>
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| 180 | <listitem>
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| 181 | <para>Converts a terminfo description into a termcap description</para>
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| 182 | <indexterm zone="ch-system-ncurses infotocap"><primary sortas="b-infotocap">infotocap</primary></indexterm>
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| 183 | </listitem>
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| 184 | </varlistentry>
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| 185 |
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| 186 | <varlistentry id="reset">
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| 187 | <term><command>reset</command></term>
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| 188 | <listitem>
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| 189 | <para>Reinitializes a terminal to its default values</para>
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| 190 | <indexterm zone="ch-system-ncurses reset"><primary sortas="b-reset">reset</primary></indexterm>
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| 191 | </listitem>
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| 192 | </varlistentry>
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| 193 |
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| 194 | <varlistentry id="tack">
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| 195 | <term><command>tack</command></term>
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| 196 | <listitem>
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| 197 | <para>The terminfo action checker; it is mainly used to test the
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| 198 | accuracy of an entry in the terminfo database</para>
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| 199 | <indexterm zone="ch-system-ncurses tack"><primary sortas="b-tack">tack</primary></indexterm>
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| 200 | </listitem>
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| 201 | </varlistentry>
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| 202 |
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| 203 | <varlistentry id="tic">
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| 204 | <term><command>tic</command></term>
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| 205 | <listitem>
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| 206 | <para>The terminfo entry-description compiler that translates a
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| 207 | terminfo file from source format into the binary format needed for the
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| 208 | ncurses library routines. A terminfo file contains information on the
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| 209 | capabilities of a certain terminal</para>
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| 210 | <indexterm zone="ch-system-ncurses tic"><primary sortas="b-tic">tic</primary></indexterm>
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| 211 | </listitem>
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| 212 | </varlistentry>
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| 213 |
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| 214 | <varlistentry id="toe">
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| 215 | <term><command>toe</command></term>
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| 216 | <listitem>
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| 217 | <para>Lists all available terminal types, giving the primary name and
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| 218 | description for each</para>
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| 219 | <indexterm zone="ch-system-ncurses toe"><primary sortas="b-toe">toe</primary></indexterm>
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| 220 | </listitem>
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| 221 | </varlistentry>
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| 222 |
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| 223 | <varlistentry id="tput">
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| 224 | <term><command>tput</command></term>
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| 225 | <listitem>
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| 226 | <para>Makes the values of terminal-dependent capabilities available to
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| 227 | the shell; it can also be used to reset or initialize a terminal or
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| 228 | report its long name</para>
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| 229 | <indexterm zone="ch-system-ncurses tput"><primary sortas="b-tput">tput</primary></indexterm>
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| 230 | </listitem>
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| 231 | </varlistentry>
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| 232 |
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| 233 | <varlistentry id="tset">
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| 234 | <term><command>tset</command></term>
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| 235 | <listitem>
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| 236 | <para>Can be used to initialize terminals</para>
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| 237 | <indexterm zone="ch-system-ncurses tset"><primary sortas="b-tset">tset</primary></indexterm>
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| 238 | </listitem>
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| 239 | </varlistentry>
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| 240 |
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| 241 | <varlistentry id="libcurses">
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| 242 | <term><filename class="libraryfile">libcurses</filename></term>
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| 243 | <listitem>
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| 244 | <para>A link to <filename>libncurses</filename></para>
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| 245 | <indexterm zone="ch-system-ncurses libcurses"><primary sortas="c-libcurses">libcurses</primary></indexterm>
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| 246 | </listitem>
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| 247 | </varlistentry>
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| 248 |
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| 249 | <varlistentry id="libncurses">
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| 250 | <term><filename class="libraryfile">libncurses</filename></term>
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| 251 | <listitem>
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| 252 | <para>Contains functions to display text in many complex ways on a
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| 253 | terminal screen; a good example of the use of these functions is the
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| 254 | menu displayed during the kernel's <command>make menuconfig</command></para>
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| 255 | <indexterm zone="ch-system-ncurses libncurses"><primary sortas="c-libncurses">libncurses</primary></indexterm>
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| 256 | </listitem>
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| 257 | </varlistentry>
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| 258 |
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| 259 | <varlistentry id="libform">
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| 260 | <term><filename class="libraryfile">libform</filename></term>
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| 261 | <listitem>
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| 262 | <para>Contains functions to implement forms</para>
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| 263 | <indexterm zone="ch-system-ncurses libform"><primary sortas="c-libform">libform</primary></indexterm>
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| 264 | </listitem>
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| 265 | </varlistentry>
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| 266 |
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| 267 | <varlistentry id="libmenu">
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| 268 | <term><filename class="libraryfile">libmenu</filename></term>
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| 269 | <listitem>
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| 270 | <para>Contains functions to implement menus</para>
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| 271 | <indexterm zone="ch-system-ncurses libmenu"><primary sortas="c-libmenu">libmenu</primary></indexterm>
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| 272 | </listitem>
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| 273 | </varlistentry>
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| 274 |
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| 275 | <varlistentry id="libpanel">
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| 276 | <term><filename class="libraryfile">libpanel</filename></term>
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| 277 | <listitem>
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| 278 | <para>Contains functions to implement panels</para>
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| 279 | <indexterm zone="ch-system-ncurses libpanel"><primary sortas="c-libpanel">libpanel</primary></indexterm>
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| 280 | </listitem>
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| 281 | </varlistentry>
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| 282 | </variablelist>
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[673b0d8] | 283 |
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| 284 | </sect2>
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| 285 |
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| 286 | </sect1>
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