223cc6685e
git-svn-id: svn://svn.compuextreme.de/Viitor/V963/Viitor_cc65@5933 504e572c-2e33-0410-9681-be2bf7408885
54 lines
1.8 KiB
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54 lines
1.8 KiB
HTML
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<TITLE>cc65 function reference: Alphabetical function reference: memmove</TITLE>
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<H2><A NAME="memmove"></A> 3.97 <A HREF="funcref.html#toc3.97">memmove</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__ memmove (void* dest, const void* src, size_t count);</CODE></P>
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<DT><B>Description</B><DD><P><CODE>memmove</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>While <CODE>memmove</CODE> allows the memory areas to overlap, it has some
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additional overhead compared to <CODE>
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<A HREF="funcref-141.html#memcpy">memcpy</A></CODE>.</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-141.html#memcpy">memcpy</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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