This file is indexed.

/usr/share/doc/racket/guide/bytestrings.html is in racket-doc 6.7-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><title>3.5&nbsp;Bytes and Byte Strings</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="icons.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_0&quot;);">&#9658;</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x"><span style="font-weight: bold">The Racket Guide</span></a></td></tr></table></div><div class="tocviewsublisttop" style="display: none;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1&nbsp;</td><td><a href="intro.html" class="tocviewlink" data-pltdoc="x">Welcome to Racket</a></td></tr><tr><td align="right">2&nbsp;</td><td><a href="to-scheme.html" class="tocviewlink" data-pltdoc="x">Racket Essentials</a></td></tr><tr><td align="right">3&nbsp;</td><td><a href="datatypes.html" class="tocviewselflink" data-pltdoc="x">Built-<wbr></wbr>In Datatypes</a></td></tr><tr><td align="right">4&nbsp;</td><td><a href="scheme-forms.html" class="tocviewlink" data-pltdoc="x">Expressions and Definitions</a></td></tr><tr><td align="right">5&nbsp;</td><td><a href="define-struct.html" class="tocviewlink" data-pltdoc="x">Programmer-<wbr></wbr>Defined Datatypes</a></td></tr><tr><td align="right">6&nbsp;</td><td><a href="modules.html" class="tocviewlink" data-pltdoc="x">Modules</a></td></tr><tr><td align="right">7&nbsp;</td><td><a href="contracts.html" class="tocviewlink" data-pltdoc="x">Contracts</a></td></tr><tr><td align="right">8&nbsp;</td><td><a href="i_o.html" class="tocviewlink" data-pltdoc="x">Input and Output</a></td></tr><tr><td align="right">9&nbsp;</td><td><a href="regexp.html" class="tocviewlink" data-pltdoc="x">Regular Expressions</a></td></tr><tr><td align="right">10&nbsp;</td><td><a href="control.html" class="tocviewlink" data-pltdoc="x">Exceptions and Control</a></td></tr><tr><td align="right">11&nbsp;</td><td><a href="for.html" class="tocviewlink" data-pltdoc="x">Iterations and Comprehensions</a></td></tr><tr><td align="right">12&nbsp;</td><td><a href="match.html" class="tocviewlink" data-pltdoc="x">Pattern Matching</a></td></tr><tr><td align="right">13&nbsp;</td><td><a href="classes.html" class="tocviewlink" data-pltdoc="x">Classes and Objects</a></td></tr><tr><td align="right">14&nbsp;</td><td><a href="units.html" class="tocviewlink" data-pltdoc="x">Units</a></td></tr><tr><td align="right">15&nbsp;</td><td><a href="reflection.html" class="tocviewlink" data-pltdoc="x">Reflection and Dynamic Evaluation</a></td></tr><tr><td align="right">16&nbsp;</td><td><a href="macros.html" class="tocviewlink" data-pltdoc="x">Macros</a></td></tr><tr><td align="right">17&nbsp;</td><td><a href="languages.html" class="tocviewlink" data-pltdoc="x">Creating Languages</a></td></tr><tr><td align="right">18&nbsp;</td><td><a href="concurrency.html" class="tocviewlink" data-pltdoc="x">Concurrency and Synchronization</a></td></tr><tr><td align="right">19&nbsp;</td><td><a href="performance.html" class="tocviewlink" data-pltdoc="x">Performance</a></td></tr><tr><td align="right">20&nbsp;</td><td><a href="parallelism.html" class="tocviewlink" data-pltdoc="x">Parallelism</a></td></tr><tr><td align="right">21&nbsp;</td><td><a href="running.html" class="tocviewlink" data-pltdoc="x">Running and Creating Executables</a></td></tr><tr><td align="right">22&nbsp;</td><td><a href="More_Libraries.html" class="tocviewlink" data-pltdoc="x">More Libraries</a></td></tr><tr><td align="right">23&nbsp;</td><td><a href="dialects.html" class="tocviewlink" data-pltdoc="x">Dialects of Racket and Scheme</a></td></tr><tr><td align="right">24&nbsp;</td><td><a href="other-editors.html" class="tocviewlink" data-pltdoc="x">Command-<wbr></wbr>Line Tools and Your Editor of Choice</a></td></tr><tr><td align="right"></td><td><a href="doc-bibliography.html" class="tocviewlink" data-pltdoc="x">Bibliography</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div><div class="tocviewlist"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_1&quot;);">&#9660;</a></td><td>3&nbsp;</td><td><a href="datatypes.html" class="tocviewlink" data-pltdoc="x">Built-<wbr></wbr>In Datatypes</a></td></tr></table><div class="tocviewsublistbottom" style="display: block;" id="tocview_1"><table cellspacing="0" cellpadding="0"><tr><td align="right">3.1&nbsp;</td><td><a href="booleans.html" class="tocviewlink" data-pltdoc="x">Booleans</a></td></tr><tr><td align="right">3.2&nbsp;</td><td><a href="numbers.html" class="tocviewlink" data-pltdoc="x">Numbers</a></td></tr><tr><td align="right">3.3&nbsp;</td><td><a href="characters.html" class="tocviewlink" data-pltdoc="x">Characters</a></td></tr><tr><td align="right">3.4&nbsp;</td><td><a href="strings.html" class="tocviewlink" data-pltdoc="x">Strings (Unicode)</a></td></tr><tr><td align="right">3.5&nbsp;</td><td><a href="" class="tocviewselflink" data-pltdoc="x">Bytes and Byte Strings</a></td></tr><tr><td align="right">3.6&nbsp;</td><td><a href="symbols.html" class="tocviewlink" data-pltdoc="x">Symbols</a></td></tr><tr><td align="right">3.7&nbsp;</td><td><a href="keywords.html" class="tocviewlink" data-pltdoc="x">Keywords</a></td></tr><tr><td align="right">3.8&nbsp;</td><td><a href="pairs.html" class="tocviewlink" data-pltdoc="x">Pairs and Lists</a></td></tr><tr><td align="right">3.9&nbsp;</td><td><a href="vectors.html" class="tocviewlink" data-pltdoc="x">Vectors</a></td></tr><tr><td align="right">3.10&nbsp;</td><td><a href="hash-tables.html" class="tocviewlink" data-pltdoc="x">Hash Tables</a></td></tr><tr><td align="right">3.11&nbsp;</td><td><a href="boxes.html" class="tocviewlink" data-pltdoc="x">Boxes</a></td></tr><tr><td align="right">3.12&nbsp;</td><td><a href="void_undefined.html" class="tocviewlink" data-pltdoc="x">Void and Undefined</a></td></tr></table></div></div></div></div><div class="maincolumn"><div class="main"><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, &quot;6.7&quot;, &quot;../&quot;);" onfocus="this.style.color=&quot;black&quot;; this.style.textAlign=&quot;left&quot;; if (this.value == &quot;...search manuals...&quot;) this.value=&quot;&quot;;" onblur="if (this.value.match(/^ *$/)) { this.style.color=&quot;#888&quot;; this.style.textAlign=&quot;center&quot;; this.value=&quot;...search manuals...&quot;; }"/></form>&nbsp;&nbsp;<a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot(&quot;6.7&quot;);">top</a></span><span class="navright">&nbsp;&nbsp;<a href="strings.html" title="backward to &quot;3.4 Strings (Unicode)&quot;" data-pltdoc="x">&larr; prev</a>&nbsp;&nbsp;<a href="datatypes.html" title="up to &quot;3 Built-In Datatypes&quot;" data-pltdoc="x">up</a>&nbsp;&nbsp;<a href="symbols.html" title="forward to &quot;3.6 Symbols&quot;" data-pltdoc="x">next &rarr;</a></span>&nbsp;</div><h4 x-source-module="(lib &quot;scribblings/guide/guide.scrbl&quot;)" x-source-pkg="racket-doc" x-part-tag="&quot;bytestrings&quot;">3.5<tt>&nbsp;</tt><a name="(part._bytestrings)"></a>Bytes and Byte Strings</h4><p>A <a name="(tech._byte)"></a><span style="font-style: italic">byte</span> is an exact integer between <span class="RktVal">0</span> and
<span class="RktVal">255</span>, inclusive. The <span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._byte%7E3f%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">byte?</a></span> predicate recognizes
numbers that represent bytes.</p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._byte%7E3f%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">byte?</a></span><span class="hspace">&nbsp;</span><span class="RktVal">0</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#t</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._byte%7E3f%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">byte?</a></span><span class="hspace">&nbsp;</span><span class="RktVal">256</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr></table></blockquote></div></p><p>A <a name="(tech._byte._string)"></a><span style="font-style: italic">byte string</span> is similar to a string&#8212;<wbr></wbr>see
<a href="strings.html" data-pltdoc="x">Strings (Unicode)</a>&#8212;<wbr></wbr>but its content is a sequence of bytes
instead of characters. Byte strings can be used in applications that
process pure ASCII instead of Unicode text. The printed form of a
byte string supports such uses in particular, because a byte string
prints like the ASCII decoding of the byte string, but prefixed with a
<span class="RktInBG"><span class="hspace"></span><span class="RktIn">#</span><span class="hspace"></span></span>. Unprintable ASCII characters or non-ASCII bytes in the
byte string are written with octal notation.</p><blockquote class="refpara"><blockquote class="refcolumn"><blockquote class="refcontent"><p><span class="imageleft"><img src="magnify.png" alt="+" width="24" height="24"/></span><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=reader.html%23%2528part._parse-string%2529&amp;version=6.7" class="Sq" data-pltdoc="x">Reading Strings</a> in <a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=index.html&amp;version=6.7" class="Sq" data-pltdoc="x"><span style="font-weight: bold">The Racket Reference</span></a> documents the fine points of the syntax of byte strings.</p></blockquote></blockquote></blockquote><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">&gt; </span><span class="RktVal">#"Apple"</span></td></tr><tr><td><p><span class="RktRes">#"Apple"</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-ref%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-ref</a></span><span class="hspace">&nbsp;</span><span class="RktVal">#"Apple"</span><span class="hspace">&nbsp;</span><span class="RktVal">0</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">65</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._make-bytes%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">make-bytes</a></span><span class="hspace">&nbsp;</span><span class="RktVal">3</span><span class="hspace">&nbsp;</span><span class="RktVal">65</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#"AAA"</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=define.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._define%2529%2529&amp;version=6.7" class="RktStxLink Sq" data-pltdoc="x">define</a></span><span class="hspace">&nbsp;</span><span class="RktSym">b</span><span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._make-bytes%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">make-bytes</a></span><span class="hspace">&nbsp;</span><span class="RktVal">2</span><span class="hspace">&nbsp;</span><span class="RktVal">0</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><span class="stt">&gt; </span><span class="RktSym">b</span></td></tr><tr><td><p><span class="RktRes">#"\0\0"</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-set%2521%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-set!</a></span><span class="hspace">&nbsp;</span><span class="RktSym">b</span><span class="hspace">&nbsp;</span><span class="RktVal">0</span><span class="hspace">&nbsp;</span><span class="RktVal">1</span><span class="RktPn">)</span></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-set%2521%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-set!</a></span><span class="hspace">&nbsp;</span><span class="RktSym">b</span><span class="hspace">&nbsp;</span><span class="RktVal">1</span><span class="hspace">&nbsp;</span><span class="RktVal">255</span><span class="RktPn">)</span></td></tr><tr><td><span class="stt">&gt; </span><span class="RktSym">b</span></td></tr><tr><td><p><span class="RktRes">#"\1\377"</span></p></td></tr></table></blockquote></div></p><p>The <span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=Writing.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._display%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">display</a></span> form of a byte string writes its raw bytes to the
current output port (see <a href="i_o.html" data-pltdoc="x">Input and Output</a>). Technically,
<span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=Writing.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._display%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">display</a></span> of a normal (i.e,. character) string prints the UTF-8
encoding of the string to the current output port, since output is
ultimately defined in terms of bytes; <span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=Writing.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._display%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">display</a></span> of a byte
string, however, writes the raw bytes with no encoding. Along the same
lines, when this documentation shows output, it technically shows the
UTF-8-decoded form of the output.</p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=Writing.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._display%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">display</a></span><span class="hspace">&nbsp;</span><span class="RktVal">#"Apple"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktOut">Apple</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=Writing.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._display%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">display</a></span><span class="hspace">&nbsp;</span><span class="RktVal">"\316\273"</span><span class="RktPn">)</span><span class="hspace">&nbsp;&nbsp;</span><span class="RktCmt">;</span><span class="RktCmt">&nbsp;</span><span class="RktCmt">same as </span><span class="RktVal">"&#206;&#187;"</span></td></tr><tr><td><p><span class="RktOut">&#206;&#187;</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=Writing.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._display%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">display</a></span><span class="hspace">&nbsp;</span><span class="RktVal">#"\316\273"</span><span class="RktPn">)</span><span class="hspace">&nbsp;</span><span class="RktCmt">;</span><span class="RktCmt">&nbsp;</span><span class="RktCmt">UTF-8 encoding of </span>&#955;</td></tr><tr><td><p><span class="RktOut">&#955;</span></p></td></tr></table></blockquote></div></p><p>For explicitly converting between strings and byte strings, Racket
supports three kinds of encodings directly: UTF-8, Latin-1, and the
current locale&rsquo;s encoding. General facilities for byte-to-byte
conversions (especially to and from UTF-8) fill the gap to support
arbitrary string encodings.</p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-%7E3estring%252Futf-8%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-&gt;string/utf-8</a></span><span class="hspace">&nbsp;</span><span class="RktVal">#"\316\273"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">"&#955;"</span></p></td></tr><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-%7E3estring%252Flatin-1%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-&gt;string/latin-1</a></span><span class="hspace">&nbsp;</span><span class="RktVal">#"\316\273"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">"&#206;&#187;"</span></p></td></tr><tr><td><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=parameters.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fmore-scheme..rkt%2529._parameterize%2529%2529&amp;version=6.7" class="RktStxLink Sq" data-pltdoc="x">parameterize</a></span><span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktPn">[</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=encodings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._current-locale%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">current-locale</a></span><span class="hspace">&nbsp;</span><span class="RktVal">"C"</span><span class="RktPn">]</span><span class="RktPn">)</span><span class="hspace">&nbsp;&nbsp;</span><span class="RktCmt">;</span><span class="RktCmt">&nbsp;</span><span class="RktCmt">C locale supports ASCII,</span></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="hspace">&nbsp;&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-%7E3estring%252Flocale%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-&gt;string/locale</a></span><span class="hspace">&nbsp;</span><span class="RktVal">#"\316\273"</span><span class="RktPn">)</span><span class="RktPn">)</span><span class="hspace">&nbsp;</span><span class="RktCmt">;</span><span class="RktCmt">&nbsp;</span><span class="RktCmt">only, so...</span></td></tr></table></td></tr><tr><td><p><span class="RktErr">bytes-&gt;string/locale: byte string is not a valid encoding</span></p></td></tr><tr><td><p><span class="RktErr">for the current locale</span></p></td></tr><tr><td><p><span class="RktErr"></span><span class="hspace">&nbsp;&nbsp;</span><span class="RktErr">byte string: #"\316\273"</span></p></td></tr><tr><td><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">&gt; </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=let.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fletstx-scheme..rkt%2529._let%2529%2529&amp;version=6.7" class="RktStxLink Sq" data-pltdoc="x">let</a></span><span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktPn">[</span><span class="RktSym">cvt</span><span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-open-converter%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-open-converter</a></span><span class="hspace">&nbsp;</span><span class="RktVal">"cp1253"</span><span class="hspace">&nbsp;</span><span class="RktCmt">;</span><span class="RktCmt">&nbsp;</span><span class="RktCmt">Greek code page</span></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span class="RktVal">"UTF-8"</span><span class="RktPn">)</span><span class="RktPn">]</span></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="hspace">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span class="RktPn">[</span><span class="RktSym">dest</span><span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._make-bytes%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">make-bytes</a></span><span class="hspace">&nbsp;</span><span class="RktVal">2</span><span class="RktPn">)</span><span class="RktPn">]</span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="hspace">&nbsp;&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-convert%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-convert</a></span><span class="hspace">&nbsp;</span><span class="RktSym">cvt</span><span class="hspace">&nbsp;</span><span class="RktVal">#"\353"</span><span class="hspace">&nbsp;</span><span class="RktVal">0</span><span class="hspace">&nbsp;</span><span class="RktVal">1</span><span class="hspace">&nbsp;</span><span class="RktSym">dest</span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="hspace">&nbsp;&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-close-converter%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-close-converter</a></span><span class="hspace">&nbsp;</span><span class="RktSym">cvt</span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="hspace">&nbsp;&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._bytes-%7E3estring%252Futf-8%2529%2529&amp;version=6.7" class="RktValLink Sq" data-pltdoc="x">bytes-&gt;string/utf-8</a></span><span class="hspace">&nbsp;</span><span class="RktSym">dest</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr></table></td></tr><tr><td><p><span class="RktRes">"&#955;"</span></p></td></tr></table></blockquote></div></p><blockquote class="refpara"><blockquote class="refcolumn"><blockquote class="refcontent"><p><span class="imageleft"><img src="magnify.png" alt="+" width="24" height="24"/></span><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=bytestrings.html&amp;version=6.7" class="Sq" data-pltdoc="x">Byte Strings</a> in <a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&amp;rel=index.html&amp;version=6.7" class="Sq" data-pltdoc="x"><span style="font-weight: bold">The Racket Reference</span></a> provides more on byte strings and byte-string procedures.</p></blockquote></blockquote></blockquote><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, &quot;6.7&quot;, &quot;../&quot;);" onfocus="this.style.color=&quot;black&quot;; this.style.textAlign=&quot;left&quot;; if (this.value == &quot;...search manuals...&quot;) this.value=&quot;&quot;;" onblur="if (this.value.match(/^ *$/)) { this.style.color=&quot;#888&quot;; this.style.textAlign=&quot;center&quot;; this.value=&quot;...search manuals...&quot;; }"/></form>&nbsp;&nbsp;<a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot(&quot;6.7&quot;);">top</a></span><span class="navright">&nbsp;&nbsp;<a href="strings.html" title="backward to &quot;3.4 Strings (Unicode)&quot;" data-pltdoc="x">&larr; prev</a>&nbsp;&nbsp;<a href="datatypes.html" title="up to &quot;3 Built-In Datatypes&quot;" data-pltdoc="x">up</a>&nbsp;&nbsp;<a href="symbols.html" title="forward to &quot;3.6 Symbols&quot;" data-pltdoc="x">next &rarr;</a></span>&nbsp;</div></div></div><div id="contextindicator">&nbsp;</div></body></html>