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49 lines
1.4 KiB
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49 lines
1.4 KiB
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<TITLE>cc65 function reference: Alphabetical function reference: ferror</TITLE>
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<H2><A NAME="ferror"></A> 3.60 <A HREF="funcref.html#toc3.60">ferror</A></H2>
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<P>
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<BLOCKQUOTE>
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<DL>
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<DT><B>Function</B><DD><P>Return the error indicator of a stream.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-37.html#stdio.h">stdio.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>int __fastcall__ ferror (FILE* f);</CODE></P>
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<DT><B>Description</B><DD><P><CODE>ferror</CODE> tests the error indicator of the stream
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<CODE>f</CODE>, and returns a non zero value if it is set.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>The function is only available as fastcall function, so it may only be
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used in presence of a prototype.</LI>
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</UL>
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</P>
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<DT><B>Availability</B><DD><P>ISO 9899</P>
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<DT><B>See also</B><DD><P>
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<A HREF="funcref-104.html#feof">clearerr</A>,
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<A HREF="#ferror">feof</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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