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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: offsetof</TITLE> <LINK HREF="funcref-126.html" REL=next> <LINK HREF="funcref-124.html" REL=previous> <LINK HREF="funcref.html#toc3" REL=contents></HEAD><BODY><A HREF="funcref-126.html">Next</A><A HREF="funcref-124.html">Previous</A><A HREF="funcref.html#toc3">Contents</A><HR><H2><A NAME="offsetof"></A> 3.84 <A HREF="funcref.html#toc3.84">offsetof</A></H2><P><BLOCKQUOTE><DL><DT><B>Function</B><DD><P>Calculate the offset of a struct or union member.</P><DT><B>Header</B><DD><P><CODE><A HREF="funcref-32.html#stddef.h">stddef.h</A></CODE></P><DT><B>Declaration</B><DD><P><CODE>size_t offsetof (type, member);</CODE></P><DT><B>Description</B><DD><P><CODE>offsetof</CODE> calculates the address offset of a <CODE>struct</CODE>or <CODE>union</CODE> member.</P><DT><B>Limits</B><DD><P><UL><LI>The function is actually a macro.</LI></UL></P><DT><B>Availability</B><DD><P>ISO 9899</P><DT><B>Example</B><DD><P>None.</P></DL></BLOCKQUOTE></P><HR><A HREF="funcref-126.html">Next</A><A HREF="funcref-124.html">Previous</A><A HREF="funcref.html#toc3">Contents</A></BODY></HTML>⌨️ 快捷键说明
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