Sophie: slang-doc-1.4.4-2mdk i586

slang-doc-1.4.4-2mdk.i586.rpm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
 <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
 <TITLE> {The S-lang C Library Reference}: SLang_is_defined</TITLE>
 <LINK HREF="cref-80.html" REL=next>
 <LINK HREF="cref-78.html" REL=previous>
 <LINK HREF="cref.html#toc79" REL=contents>
</HEAD>
<BODY>
<A HREF="cref-80.html">Next</A>
<A HREF="cref-78.html">Previous</A>
<A HREF="cref.html#toc79">Contents</A>
<HR>
<H2><A NAME="SLang_is_defined"></A> <A NAME="s79">79. <B>SLang_is_defined</B></A></H2>

<P>
<DL>
<DT><B> Synopsis </B><DD><P>Check to see if the interpreter defines an object
<DT><B> Usage </B><DD><P><CODE>int SLang_is_defined (char *nm)</CODE>
<DT><B> Description </B><DD><P>The <CODE>SLang_is_defined</CODE> function may be used to determine
whether or not a variable or function whose name is given by
<CODE>em</CODE> has been defined.  It returns zero if no such object has
been defined.  Othewise it returns a non-zero value whose meaning
is given by the following table:
<BLOCKQUOTE><CODE>
<PRE>
      1    intrinsic function  (SLANG_INTRINSIC)
      2    user-defined slang function (SLANG_FUNCTION)
     -1    intrinsic variable (SLANG_IVARIABLE)
     -2    user-defined global variable (SLANG_GVARIABLE)
</PRE>
</CODE></BLOCKQUOTE>
<DT><B> See Also </B><DD><P><CODE>SLadd_intrinsic_function, SLang_run_hooks, SLang_execute_function</CODE>
</DL>
<P>
<P>
<P>
<HR>
<A HREF="cref-80.html">Next</A>
<A HREF="cref-78.html">Previous</A>
<A HREF="cref.html#toc79">Contents</A>
</BODY>
</HTML>