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extern/stdcxx/4.2.1/doc/stdlibref/tolower.html
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extern/stdcxx/4.2.1/doc/stdlibref/tolower.html
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<HTML>
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<HEAD>
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<TITLE>tolower()</TITLE>
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<LINK REL=StyleSheet HREF="../rw.css" TYPE="text/css" TITLE="Apache stdcxx Stylesheet"></HEAD>
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<BODY BGCOLOR=#FFFFFF>
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<A HREF="time-put-byname.html"><IMG SRC="images/bprev.gif" WIDTH=20 HEIGHT=21 ALT="Previous file" BORDER=O></A><A HREF="noframes.html"><IMG SRC="images/btop.gif" WIDTH=56 HEIGHT=21 ALT="Top of Document" BORDER=O></A><A HREF="booktoc.html"><IMG SRC="images/btoc.gif" WIDTH=56 HEIGHT=21 ALT="Contents" BORDER=O></A><A HREF="tindex.html"><IMG SRC="images/bindex.gif" WIDTH=56 HEIGHT=21 ALT="Index page" BORDER=O></A><A HREF="toupper.html"><IMG SRC="images/bnext.gif" WIDTH=25 HEIGHT=21 ALT="Next file" BORDER=O></A><DIV CLASS="DOCUMENTNAME"><B>Apache C++ Standard Library Reference Guide</B></DIV>
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<H2>tolower()</H2>
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<P><B>Library:</B> <A HREF="2-6.html">Localization</A></P>
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<PRE><HR><B><I>Function</I></B><HR></PRE>
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<UL>
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<LI><A HREF="#sec1">Local Index</A></LI>
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<LI><A HREF="#sec2">Summary</A></LI>
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<LI><A HREF="#sec3">Synopsis</A></LI>
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<LI><A HREF="#sec4">Description</A></LI>
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<LI><A HREF="#sec5">Example</A></LI>
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<LI><A HREF="#sec6">See Also</A></LI>
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<LI><A HREF="#sec7">Standards Conformance</A></LI>
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</UL>
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<A NAME="sec1"><H3>Local Index</H3></A>
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No Entries
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<A NAME="sec2"><H3>Summary</H3></A>
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<P>Locale convenience function that converts a character to lower case</P>
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<A NAME="sec3"><H3>Synopsis</H3></A>
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<PRE>#include <locale>
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namespace std {
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template <class charT>
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charT tolower(charT c, const locale& loc);
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}
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</PRE>
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<A NAME="sec4"><H3>Description</H3></A>
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<P>The <SAMP>tolower()</SAMP> function returns the parameter <SAMP>c</SAMP> after converting it to lower case. The conversion is made using the <SAMP>ctype</SAMP> facet from the <SAMP>locale</SAMP> parameter.</P>
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<A NAME="sec5"><H3>Example</H3></A>
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<UL><PRE>//
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// toupper.cpp
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//
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#include <iomanip> // for setw
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#include <iostream> // for cout, endl
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int main ()
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{
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std::cout << std::oct;
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std::cout.fill ('0');
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// compute tolower and toupper of printable ASCII characters
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for (int c = ' '; c != '~' + 1; ++c)
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std::cout << "std::toupper/lower ('\\" << std::setw (3)
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<< c
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<< "', std::locale ()) = '"
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<< std::toupper (char (c), std::cout.getloc ())
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<< "' / "
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<< std::tolower (char (c), std::cout.getloc ())
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<< "'\n";
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return 0;
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}
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Program Output:
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std::toupper/lower ('\040', std::locale ()) = ' ' / '
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std::toupper/lower ('\041', std::locale ()) = '!' / !'
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std::toupper/lower ('\042', std::locale ()) = '"' / "'
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std::toupper/lower ('\043', std::locale ()) = '#' / #'
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std::toupper/lower ('\044', std::locale ()) = '$' / $'
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std::toupper/lower ('\045', std::locale ()) = '%' / %'
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std::toupper/lower ('\046', std::locale ()) = '&' / &'
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std::toupper/lower ('\047', std::locale ()) = ''' / ''
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std::toupper/lower ('\050', std::locale ()) = '(' / ('
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std::toupper/lower ('\051', std::locale ()) = ')' / )'
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std::toupper/lower ('\052', std::locale ()) = '*' / *'
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std::toupper/lower ('\053', std::locale ()) = '+' / +'
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std::toupper/lower ('\054', std::locale ()) = ',' / ,'
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std::toupper/lower ('\055', std::locale ()) = '-' / -'
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std::toupper/lower ('\056', std::locale ()) = '.' / .'
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std::toupper/lower ('\057', std::locale ()) = '/' / /'
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std::toupper/lower ('\060', std::locale ()) = '0' / 0'
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std::toupper/lower ('\061', std::locale ()) = '1' / 1'
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std::toupper/lower ('\062', std::locale ()) = '2' / 2'
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std::toupper/lower ('\063', std::locale ()) = '3' / 3'
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std::toupper/lower ('\064', std::locale ()) = '4' / 4'
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std::toupper/lower ('\065', std::locale ()) = '5' / 5'
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std::toupper/lower ('\066', std::locale ()) = '6' / 6'
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std::toupper/lower ('\067', std::locale ()) = '7' / 7'
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std::toupper/lower ('\070', std::locale ()) = '8' / 8'
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std::toupper/lower ('\071', std::locale ()) = '9' / 9'
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std::toupper/lower ('\072', std::locale ()) = ':' / :'
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std::toupper/lower ('\073', std::locale ()) = ';' / ;'
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std::toupper/lower ('\074', std::locale ()) = '<' / <'
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std::toupper/lower ('\075', std::locale ()) = '=' / ='
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std::toupper/lower ('\076', std::locale ()) = '>' / >'
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std::toupper/lower ('\077', std::locale ()) = '?' / ?'
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std::toupper/lower ('\100', std::locale ()) = '@' / @'
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std::toupper/lower ('\101', std::locale ()) = 'A' / a'
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std::toupper/lower ('\102', std::locale ()) = 'B' / b'
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std::toupper/lower ('\103', std::locale ()) = 'C' / c'
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std::toupper/lower ('\104', std::locale ()) = 'D' / d'
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std::toupper/lower ('\105', std::locale ()) = 'E' / e'
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std::toupper/lower ('\106', std::locale ()) = 'F' / f'
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std::toupper/lower ('\107', std::locale ()) = 'G' / g'
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std::toupper/lower ('\110', std::locale ()) = 'H' / h'
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std::toupper/lower ('\111', std::locale ()) = 'I' / i'
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std::toupper/lower ('\112', std::locale ()) = 'J' / j'
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std::toupper/lower ('\113', std::locale ()) = 'K' / k'
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std::toupper/lower ('\114', std::locale ()) = 'L' / l'
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std::toupper/lower ('\115', std::locale ()) = 'M' / m'
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std::toupper/lower ('\116', std::locale ()) = 'N' / n'
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std::toupper/lower ('\117', std::locale ()) = 'O' / o'
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std::toupper/lower ('\120', std::locale ()) = 'P' / p'
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std::toupper/lower ('\121', std::locale ()) = 'Q' / q'
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std::toupper/lower ('\122', std::locale ()) = 'R' / r'
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std::toupper/lower ('\123', std::locale ()) = 'S' / s'
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std::toupper/lower ('\124', std::locale ()) = 'T' / t'
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std::toupper/lower ('\125', std::locale ()) = 'U' / u'
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std::toupper/lower ('\126', std::locale ()) = 'V' / v'
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std::toupper/lower ('\127', std::locale ()) = 'W' / w'
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std::toupper/lower ('\130', std::locale ()) = 'X' / x'
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std::toupper/lower ('\131', std::locale ()) = 'Y' / y'
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std::toupper/lower ('\132', std::locale ()) = 'Z' / z'
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std::toupper/lower ('\133', std::locale ()) = '[' / ['
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std::toupper/lower ('\134', std::locale ()) = '\' / \'
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std::toupper/lower ('\135', std::locale ()) = ']' / ]'
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std::toupper/lower ('\136', std::locale ()) = '^' / ^'
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std::toupper/lower ('\137', std::locale ()) = '_' / _'
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std::toupper/lower ('\140', std::locale ()) = '`' / `'
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std::toupper/lower ('\141', std::locale ()) = 'A' / a'
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std::toupper/lower ('\142', std::locale ()) = 'B' / b'
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std::toupper/lower ('\143', std::locale ()) = 'C' / c'
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std::toupper/lower ('\144', std::locale ()) = 'D' / d'
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std::toupper/lower ('\145', std::locale ()) = 'E' / e'
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std::toupper/lower ('\146', std::locale ()) = 'F' / f'
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std::toupper/lower ('\147', std::locale ()) = 'G' / g'
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std::toupper/lower ('\150', std::locale ()) = 'H' / h'
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std::toupper/lower ('\151', std::locale ()) = 'I' / i'
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std::toupper/lower ('\152', std::locale ()) = 'J' / j'
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std::toupper/lower ('\153', std::locale ()) = 'K' / k'
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std::toupper/lower ('\154', std::locale ()) = 'L' / l'
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std::toupper/lower ('\155', std::locale ()) = 'M' / m'
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std::toupper/lower ('\156', std::locale ()) = 'N' / n'
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std::toupper/lower ('\157', std::locale ()) = 'O' / o'
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std::toupper/lower ('\160', std::locale ()) = 'P' / p'
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std::toupper/lower ('\161', std::locale ()) = 'Q' / q'
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std::toupper/lower ('\162', std::locale ()) = 'R' / r'
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std::toupper/lower ('\163', std::locale ()) = 'S' / s'
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std::toupper/lower ('\164', std::locale ()) = 'T' / t'
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std::toupper/lower ('\165', std::locale ()) = 'U' / u'
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std::toupper/lower ('\166', std::locale ()) = 'V' / v'
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std::toupper/lower ('\167', std::locale ()) = 'W' / w'
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std::toupper/lower ('\170', std::locale ()) = 'X' / x'
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std::toupper/lower ('\171', std::locale ()) = 'Y' / y'
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std::toupper/lower ('\172', std::locale ()) = 'Z' / z'
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std::toupper/lower ('\173', std::locale ()) = '{' / {'
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std::toupper/lower ('\174', std::locale ()) = '|' / |'
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std::toupper/lower ('\175', std::locale ()) = '}' / }'
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std::toupper/lower ('\176', std::locale ()) = '~' / ~'
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</PRE></UL>
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<A NAME="sec6"><H3>See Also</H3></A>
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<P><SAMP><A HREF="toupper.html">toupper()</A></SAMP>, <B><I><A HREF="locale.html">locale</A></I></B>, <B><I><A HREF="ctype.html">ctype</A></I></B></P>
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<A NAME="sec7"><H3>Standards Conformance</H3></A>
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<P><I>ISO/IEC 14882:1998 -- International Standard for Information Systems -- Programming Language C++, Section 22.1.3.2</I></P>
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