<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `C0` mod in crate `alacritty`."><meta name="keywords" content="rust, rustlang, rust-lang, C0"><title>alacritty::ansi::C0 - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="shortcut icon" href="../../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../alacritty/index.html'><img src='../../../rust-logo.png' alt='logo' width='100'></a><p class='location'>Module C0</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#constants">Constants</a></li></ul></div><p class='location'><a href='../../index.html'>alacritty</a>::<wbr><a href='../index.html'>ansi</a></p><script>window.sidebarCurrent = {name: 'C0', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/alacritty/ansi.rs.html#1230-1297' title='goto source code'>[src]</a></span><span class='in-band'>Module <a href='../../index.html'>alacritty</a>::<wbr><a href='../index.html'>ansi</a>::<wbr><a class="mod" href=''>C0</a></span></h1><div class='docblock'><p>C0 set of 7-bit control characters (from ANSI X3.4-1977).</p>
</div><h2 id='constants' class='section-header'><a href="#constants">Constants</a></h2>
<table><tr class='module-item'><td><a class="constant" href="constant.ACK.html" title='alacritty::ansi::C0::ACK constant'>ACK</a></td><td class='docblock-short'><p>Acknowledge, usually sent by terminal in response to ETX</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.BEL.html" title='alacritty::ansi::C0::BEL constant'>BEL</a></td><td class='docblock-short'><p>Bell, triggers the bell, buzzer, or beeper on the terminal</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.BS.html" title='alacritty::ansi::C0::BS constant'>BS</a></td><td class='docblock-short'><p>Backspace, can be used to define overstruck characters</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.CAN.html" title='alacritty::ansi::C0::CAN constant'>CAN</a></td><td class='docblock-short'><p>Cancel (makes VT100 abort current escape sequence if any)</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.CR.html" title='alacritty::ansi::C0::CR constant'>CR</a></td><td class='docblock-short'><p>Carriage Return, move to first character of current line</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.DC2.html" title='alacritty::ansi::C0::DC2 constant'>DC2</a></td><td class='docblock-short'><p>Device Control 2, causes ASR-33 to activate paper-tape reader</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.DC4.html" title='alacritty::ansi::C0::DC4 constant'>DC4</a></td><td class='docblock-short'><p>Device Control 4, causes ASR-33 to deactivate paper-tape reader</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.DEL.html" title='alacritty::ansi::C0::DEL constant'>DEL</a></td><td class='docblock-short'><p>Delete, should be ignored by terminal</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.DLE.html" title='alacritty::ansi::C0::DLE constant'>DLE</a></td><td class='docblock-short'><p>Data Link Escape, interpret next control character specially</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.EM.html" title='alacritty::ansi::C0::EM constant'>EM</a></td><td class='docblock-short'><p>End of Medium</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.ENQ.html" title='alacritty::ansi::C0::ENQ constant'>ENQ</a></td><td class='docblock-short'><p>Enquiry, causes terminal to send ANSWER-BACK ID</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.EOT.html" title='alacritty::ansi::C0::EOT constant'>EOT</a></td><td class='docblock-short'><p>End of Transmission</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.ESC.html" title='alacritty::ansi::C0::ESC constant'>ESC</a></td><td class='docblock-short'><p>Prefix to an escape sequence</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.ETB.html" title='alacritty::ansi::C0::ETB constant'>ETB</a></td><td class='docblock-short'><p>End of Transmission block</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.ETX.html" title='alacritty::ansi::C0::ETX constant'>ETX</a></td><td class='docblock-short'><p>End of Text, causes some terminal to respond with ACK or NAK</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.FF.html" title='alacritty::ansi::C0::FF constant'>FF</a></td><td class='docblock-short'><p>Form Feed, move to next form or page</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.FS.html" title='alacritty::ansi::C0::FS constant'>FS</a></td><td class='docblock-short'><p>File Separator</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.GS.html" title='alacritty::ansi::C0::GS constant'>GS</a></td><td class='docblock-short'><p>Group Separator</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.HT.html" title='alacritty::ansi::C0::HT constant'>HT</a></td><td class='docblock-short'><p>Horizontal Tabulation, move to next predetermined position</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.LF.html" title='alacritty::ansi::C0::LF constant'>LF</a></td><td class='docblock-short'><p>Linefeed, move to same position on next line (see also NL)</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.NAK.html" title='alacritty::ansi::C0::NAK constant'>NAK</a></td><td class='docblock-short'><p>Negative Acknowledge, used sometimes with ETX and ACK</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.NUL.html" title='alacritty::ansi::C0::NUL constant'>NUL</a></td><td class='docblock-short'><p>Null filler, terminal should ignore this character</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.RS.html" title='alacritty::ansi::C0::RS constant'>RS</a></td><td class='docblock-short'><p>Record Separator (sent by VT132 in block-transfer mode)</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.SI.html" title='alacritty::ansi::C0::SI constant'>SI</a></td><td class='docblock-short'><p>Shift In, switch to G0 (normal half of character set)</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.SO.html" title='alacritty::ansi::C0::SO constant'>SO</a></td><td class='docblock-short'><p>Shift Out, switch to G1 (other half of character set)</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.SOH.html" title='alacritty::ansi::C0::SOH constant'>SOH</a></td><td class='docblock-short'><p>Start of Header</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.STX.html" title='alacritty::ansi::C0::STX constant'>STX</a></td><td class='docblock-short'><p>Start of Text, implied end of header</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.SUB.html" title='alacritty::ansi::C0::SUB constant'>SUB</a></td><td class='docblock-short'><p>Substitute (VT100 uses this to display parity errors)</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.SYN.html" title='alacritty::ansi::C0::SYN constant'>SYN</a></td><td class='docblock-short'><p>Synchronous Idle, used to maintain timing in Sync communication</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.US.html" title='alacritty::ansi::C0::US constant'>US</a></td><td class='docblock-short'><p>Unit Separator</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.VT.html" title='alacritty::ansi::C0::VT constant'>VT</a></td><td class='docblock-short'><p>Vertical Tabulation, move to next predetermined line</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.XOFF.html" title='alacritty::ansi::C0::XOFF constant'>XOFF</a></td><td class='docblock-short'><p>(DC2) Terminal must pause and refrain from transmitting</p>
</td></tr><tr class='module-item'><td><a class="constant" href="constant.XON.html" title='alacritty::ansi::C0::XON constant'>XON</a></td><td class='docblock-short'><p>(DC1) Terminal is allowed to resume transmitting</p>
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