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<center><table cellpadding="30" border="2" width="95%"><tr><td bgcolor="#FFFFFF"><h1>eval</h1>
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<p>Pack the op sequence into a simple try/catch switch between <code>JMPENV_PUSH</code> and
<code>JMPENV_POP</code> calls.
<p>The <b>struct jmpenv</b> packages the state required to perform a proper non-local jump,
<b>top_env</b> being the initial JMPENV record. In case of abnormal exceptions
(i.e. die) a <code>JMPENV_JUMP</code> must be done, a non-local jump out to
the previous JMPENV level with a proper <em>setjmp</em> record.
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<p><table border="0" width="100%"><tr><td width="100%"><font size="-2">illguts-0.49<br>© 1998 Gisle Aas, 2009 Reini Urban</font></td>
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