54 lines
1.7 KiB
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54 lines
1.7 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.20">
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<TITLE>cc65 function reference: Alphabetical function reference: memcpy</TITLE>
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<LINK HREF="funcref-142.html" REL=next>
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<LINK HREF="funcref-140.html" REL=previous>
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<HR>
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<H2><A NAME="memcpy"></A> 3.96 <A HREF="funcref.html#toc3.96">memcpy</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>Copy a memory area.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-39.html#string.h">string.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>void* __fastcall__ memcpy (void* dest, const void* src, size_t count);</CODE></P>
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<DT><B>Description</B><DD><P><CODE>memcpy</CODE> copies <CODE>count</CODE> bytes from the memory area
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pointed to by <CODE>src</CODE> into the memory area pointed to by <CODE>dest</CODE>. It returns
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<CODE>dest</CODE>.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>The result is undefined if the memory areas do overlap. Use
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<CODE>
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<A HREF="funcref-142.html#memmove">memmove</A></CODE> to copy overlapping memory areas.</LI>
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<LI>The function is only available as fastcall function, so it may only
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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-53.html#_swap">_swap</A>,
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<A HREF="funcref-142.html#memmove">memmove</A>,
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<A HREF="funcref-143.html#memset">memset</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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</BLOCKQUOTE>
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</P>
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