From:	Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: qsort warning
Date:	19 Sep 2002 11:59:57 GMT
Organization:	Aachen University of Technology (RWTH)
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shmartonak AT ticnet DOT com wrote:

> Can someone tell me what the following warning means?

> teepdir.c:284: warning: passing arg 4 of `qsort' from incompatible pointer
> type

> int qsizesort( void *kptr1, void *kptr2)
                ^^^^^^^^^^^^^^^^^^^^^^^^^

Both arguments of a qsort comparison functions must be "const void *".
The missing "const" is what makes the function pointer incompatible,
and thus generates the warning.  Re-check the documentation or your
ANSI C textbook.

-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.

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