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<html>
<head>
<title>EAGLE Help: package()</title>
</head>
<body bgcolor=white>
<font face=Helvetica,Arial>
<hr>
<i>EAGLE Help</i>
<h1><center>package()</center></h1>
<hr>
<dl>
<dt>
<b>Function</b>
<dd>
Opens a package context.
<p>
<dt>
<b>Syntax</b>
<dd>
<tt>package(identifier) statement</tt>
<p>
<dt>
<b>Description</b>
<dd>
The <tt>package</tt> statement opens a package context if the current editor
window contains a package drawing. A variable of type
<a href=181.htm>UL_PACKAGE</a> is created and is given
the name indicated by <tt>identifier</tt>.
<p>
Once the package context is successfully opened and a package variable has been
created, the <tt>statement</tt> is executed. Within the scope of the
<tt>statement</tt> the package variable can be accessed to retrieve further
data from the package.
<p>
If the current editor window does not contain a package drawing, an error
message is given and the ULP is terminated.
<p>
</dl>
<b>See also</b> <a href=276.htm>library</a>,
<a href=275.htm>deviceset</a>,
<a href=281.htm>symbol</a>
<p>
<b>Check if there is a package</b>
<p>
By using the <tt>package</tt> statement without an argument you can check
if the current editor window contains a package drawing. In that case,
<tt>package</tt> behaves like an integer constant, returning <tt>1</tt> if
there is a package drawing in the current editor window, and <tt>0</tt>
otherwise.
<p>
<b>Example</b>
<pre>
if (package)
package(P) {
P.contacts(C)
printf("Contact: %s\n", C.name);
}
</pre>
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