NG>
Include:</STRONG>	<STRONG CLASS="fileName">
object.h </STRONG>
</P>
</DIV>
<DIV>
<A NAME="IX_offsetof()">
 </A>
<H1 CLASS="refHeading">
offsetof()</H1>
<PRE CLASS="syntax">word	offsetof(<EM>struc</EM>, <EM>field</EM>);</PRE>
<P>
This macro returns the offset of the specified field within the specified structure.</P>
</DIV>
<DIV>
<A NAME="IX_OptrToChunk()">
 </A>
<H1 CLASS="refHeading">
OptrToChunk()</H1>
<PRE CLASS="syntax">ChunkHandle OptrToChunk(<EM>op</EM>);
        optr	<EM>op</EM>;</PRE>
<P>
This m