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git-svn-id: svn://svn.compuextreme.de/Viitor/V961/Viitor_cc65@4236 504e572c-2e33-0410-9681-be2bf7408885
50 lines
1.5 KiB
HTML
50 lines
1.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<TITLE>cc65 function reference: Alphabetical function reference: tolower</TITLE>
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<H2><A NAME="tolower"></A> 3.161 <A HREF="funcref.html#toc3.161">tolower</A></H2>
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<P>
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<BLOCKQUOTE>
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<DL>
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<DT><B>Function</B><DD><P>Convert a character into its lower case representation.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-15.html#ctype.h">ctype.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>int __fastcall__ tolower (int c);</CODE></P>
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<DT><B>Description</B><DD><P>The function returns the given character converted to lower
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case. If the given character is not a letter, it is returned unchanged.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>The function is only available as fastcall function, so it may
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only be used in presence of a prototype.</LI>
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</UL>
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</P>
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<DT><B>Availability</B><DD><P>ISO 9899</P>
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<DT><B>See also</B><DD><P>
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<A HREF="funcref-121.html#islower">islower</A>,
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<A HREF="funcref-125.html#isupper">isupper</A>,
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<A HREF="funcref-207.html#toupper">toupper</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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