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<!-- Common Lisp HyperSpec (TM), version 7.0 generated by Kent M. Pitman on Mon, 11-Apr-2005 2:31am EDT -->
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<TITLE>CLHS: Function LIST-ALL-PACKAGES</TITLE>
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<A NAME="list-all-packages"><I>Function</I> <B>LIST-ALL-PACKAGES</B></A> <P>
<P><B>Syntax:</B><P>
<P>
<B>list-all-packages</B> <I><I>&lt;no arguments&gt;</I></I> =&gt; <I>packages</I><P>
<P>
<P><B>Arguments and Values:</B><P>
<P>
<I>packages</I>---a <A REL=DEFINITION HREF="26_glo_l.htm#list"><I>list</I></A> of <A REL=DEFINITION HREF="26_glo_p.htm#package"><I>package</I></A> <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>objects</I></A>. <P>
<P><B>Description:</B><P>
<P>
<A REL=DEFINITION HREF="#list-all-packages"><B>list-all-packages</B></A> returns a <A REL=DEFINITION HREF="26_glo_f.htm#fresh"><I>fresh</I></A> <A REL=DEFINITION HREF="26_glo_l.htm#list"><I>list</I></A> of all <A REL=DEFINITION HREF="26_glo_r.htm#registered_package"><I>registered packages</I></A>. <P>
<P><B>Examples:</B><P>
<P>
<PRE>
(let ((before (list-all-packages)))
(make-package 'temp)
(set-difference (list-all-packages) before)) =&gt; (#&lt;PACKAGE &quot;TEMP&quot;&gt;)
</PRE>
</TT> <P>
<P><B>Side Effects:</B> None.
<P>
<P><B>Affected By:</B><P>
<P>
<A REL=DEFINITION HREF="m_defpkg.htm#defpackage"><B>defpackage</B></A>, <A REL=DEFINITION HREF="f_del_pk.htm#delete-package"><B>delete-package</B></A>, <A REL=DEFINITION HREF="f_mk_pkg.htm#make-package"><B>make-package</B></A> <P>
<P><B>Exceptional Situations:</B> None.
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<P><B>See Also:</B> None.
<P>
<P><B>Notes:</B> None.
<P>
<P><HR>The following <A REL=META HREF="../Front/X3J13Iss.htm">X3J13 cleanup issues</A>, <I>not part of the specification</I>, apply to this section:<P><UL><LI> <A REL=CHILD HREF="../Issues/iss253.htm">PACKAGE-DELETION:NEW-FUNCTION</A><LI> <A REL=CHILD HREF="../Issues/iss298.htm">RESULT-LISTS-SHARED:SPECIFY</A><P></UL><HR>
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