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55 lines
1.8 KiB
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55 lines
1.8 KiB
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<TITLE>cc65 function reference: Alphabetical function reference: longjmp</TITLE>
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<A HREF="funcref-139.html">Next</A>
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<A HREF="funcref.html#toc3">Contents</A>
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<H2><A NAME="longjmp"></A> 3.93 <A HREF="funcref.html#toc3.93">longjmp</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>Non local goto.</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>void __fastcall__ longjmp (jmp_buf buf, int retval);</CODE></P>
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<DT><B>Description</B><DD><P>The <CODE>longjmp</CODE> function restores a program context from the
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data in <CODE>buf</CODE>, which must have been set by a preceeding call to
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<CODE>
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<A HREF="funcref-175.html#setjmp">setjmp</A></CODE>. Program execution continues as if the
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call to <CODE>
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<A HREF="funcref-175.html#setjmp">setjmp</A></CODE> has just returned the value
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<CODE>retval</CODE>.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>If the parameter <CODE>retval</CODE> is zero, the function will behave as if it
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was called with a value of one.</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-175.html#setjmp">setjmp</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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</BLOCKQUOTE>
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</P>
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