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52 lines
1.6 KiB
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52 lines
1.6 KiB
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<TITLE>cc65 function reference: Alphabetical function reference: setjmp</TITLE>
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<H2><A NAME="setjmp"></A> 3.130 <A HREF="funcref.html#toc3.130">setjmp</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>Save the context for use with <CODE>longjmp</CODE>.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-32.html#setjmp.h">setjmp.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>int __fastcall__ setjmp (jmp_buf buf);</CODE></P>
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<DT><B>Description</B><DD><P>The <CODE>setjmp</CODE> function saves the current context in <CODE>buf</CODE>
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for subsequent use by the <CODE>
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<A HREF="funcref-138.html#longjmp">longjmp</A></CODE> function and
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returns zero.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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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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<LI><CODE>setjmp</CODE> is actually a macro as required by the ISO standard.</LI>
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<LI><CODE>setjmp</CODE> will not save the signal context.</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-138.html#longjmp">longjmp</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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