223cc6685e
git-svn-id: svn://svn.compuextreme.de/Viitor/V963/Viitor_cc65@5933 504e572c-2e33-0410-9681-be2bf7408885
49 lines
1.5 KiB
HTML
49 lines
1.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<TITLE>cc65 function reference: Alphabetical function reference: kbhit</TITLE>
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<H2><A NAME="kbhit"></A> 3.89 <A HREF="funcref.html#toc3.89">kbhit</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>Check if there's a key waiting in the keyboard buffer.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-14.html#conio.h">conio.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>unsigned char kbhit (void);</CODE></P>
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<DT><B>Description</B><DD><P>The function returns a value of zero if there is no character
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waiting to be read from the keyboard. It returns non zero otherwise.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>If the system does not support a keyboard buffer (most systems
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do), the function is rather useless.</LI>
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</UL>
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</P>
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<DT><B>Availability</B><DD><P>cc65</P>
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<DT><B>See also</B><DD><P>
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<A HREF="funcref-76.html#cgetc">cgetc</A>,
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<A HREF="funcref-88.html#cursor">cursor</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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