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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML><HEAD> <META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.20"> <TITLE>cc65 function reference: Alphabetical function reference: _swap</TITLE> <LINK HREF="funcref-49.html" REL=next> <LINK HREF="funcref-47.html" REL=previous> <LINK HREF="funcref.html#toc3" REL=contents></HEAD><BODY><A HREF="funcref-49.html">Next</A><A HREF="funcref-47.html">Previous</A><A HREF="funcref.html#toc3">Contents</A><HR><H2><A NAME="_swap"></A> 3.7 <A HREF="funcref.html#toc3.7">_swap</A></H2><P><BLOCKQUOTE><DL><DT><B>Function</B><DD><P>Swap the contents of memory areas.</P><DT><B>Header</B><DD><P><CODE><A HREF="funcref-34.html#stdlib.h">stdlib.h</A></CODE></P><DT><B>Declaration</B><DD><P><CODE>void __fastcall__ _swap (void* p, void* q, size_t size);</CODE></P><DT><B>Description</B><DD><P><CODE>_swap</CODE> will swap (exchange) the contents of the two memoryareas pointed to by <CODE>p</CODE> and <CODE>q</CODE>. Both memory areas are assumed to be<CODE>size</CODE> bytes in size.</P><DT><B>Limits</B><DD><P><UL><LI>The memory areas may not overlap, otherwise the results are undefined.</LI><LI>The function is only available as fastcall function, so it may only beused in presence of a prototype.</LI></UL></P><DT><B>Availability</B><DD><P>cc65</P><DT><B>See also</B><DD><P><A HREF="funcref-122.html#memcpy">memcpy</A>,<A HREF="funcref-123.html#memmove">memmove</A></P><DT><B>Example</B><DD><P>None.</P></DL></BLOCKQUOTE></P><HR><A HREF="funcref-49.html">Next</A><A HREF="funcref-47.html">Previous</A><A HREF="funcref.html#toc3">Contents</A></BODY></HTML>⌨️ 快捷键说明
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