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68 lines
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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 MAKE-SYNONYM-STREAM</TITLE>
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<H1><A REV=MADE HREF="http://www.lispworks.com/"><IMG WIDTH=80 HEIGHT=65 ALT="[LISPWORKS]" SRC="../Graphics/LWSmall.gif" ALIGN=Bottom></A><A REL=TOP HREF="../Front/index.htm"><IMG WIDTH=237 HEIGHT=65 ALT="[Common Lisp HyperSpec (TM)]" SRC="../Graphics/CLHS_Sm.gif" ALIGN=Bottom></A> <A REL=PREV HREF="f_y_or_n.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="c_stream.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="f_syn_st.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<HR>
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<A NAME="make-synonym-stream"><I>Function</I> <B>MAKE-SYNONYM-STREAM</B></A> <P>
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<P><B>Syntax:</B><P>
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<P>
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<B>make-synonym-stream</B> <I>symbol</I> => <I>synonym-stream</I><P>
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<P>
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<P><B>Arguments and Values:</B><P>
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<P>
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<I>symbol</I>---a <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbol</I></A> that names a <A REL=DEFINITION HREF="26_glo_d.htm#dynamic_variable"><I>dynamic variable</I></A>. <P>
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<I>synonym-stream</I>---a <A REL=DEFINITION HREF="26_glo_s.htm#synonym_stream"><I>synonym stream</I></A>. <P>
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<P><B>Description:</B><P>
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<P>
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Returns a <A REL=DEFINITION HREF="26_glo_s.htm#synonym_stream"><I>synonym stream</I></A> whose <A REL=DEFINITION HREF="26_glo_s.htm#synonym_stream_symbol"><I>synonym stream symbol</I></A> is <I>symbol</I>. <P>
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<P><B>Examples:</B><P>
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<P>
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<PRE>
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(setq a-stream (make-string-input-stream "a-stream")
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b-stream (make-string-input-stream "b-stream"))
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=> #<String Input Stream>
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(setq s-stream (make-synonym-stream 'c-stream))
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=> #<SYNONYM-STREAM for C-STREAM>
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(setq c-stream a-stream)
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=> #<String Input Stream>
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(read s-stream) => A-STREAM
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(setq c-stream b-stream)
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=> #<String Input Stream>
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(read s-stream) => B-STREAM
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</PRE>
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</TT> <P>
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<P><B>Side Effects:</B> None.
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<P>
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<P><B>Affected By:</B> None.
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<P>
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<P><B>Exceptional Situations:</B><P>
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<P>
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Should signal <A REL=DEFINITION HREF="e_tp_err.htm#type-error"><B>type-error</B></A> if its argument is not a <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbol</I></A>. <P>
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<P><B>See Also:</B><P>
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<P>
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<A REL=CHILD HREF="21_a.htm">Section 21.1 (Stream Concepts)</A> <P>
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<P><B>Notes:</B> None.
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<P>
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<P><HR>The following <A REL=META HREF="../Front/X3J13Iss.htm">X3J13 cleanup issue</A>, <I>not part of the specification</I>, applies to this section:<P><UL><LI> <A REL=CHILD HREF="../Issues/iss327.htm">STREAM-ACCESS:ADD-TYPES-ACCESSORS</A><P></UL><HR>
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