Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ames!vsi1!altnet!uunet!sdrc!scjones
From: scjones@sdrc.UUCP (Larry Jones)
Newsgroups: comp.lang.c
Subject: Re: Help, I need some(body!) prototyping
Message-ID: <371@sdrc.UUCP>
Date: 1 Sep 88 20:19:20 GMT
References: <154@tekn01.chalmers.se>
Organization: Structural Dynamics Research Corp., Cincinnati
Lines: 36

In article <154@tekn01.chalmers.se>, d85_kitte@tekn01.chalmers.se (Kristian Wedberg) writes:
> I need help with a prototyping-problem:
> 
> A FileRequester() of mine uses the address of a filter-function.
> The parameter is declared as
> 
> 	FileRequester(...., filter, ...)
> 	....
> 	LONG	(*filter)();
> 	...
> 
> which is A OK. But. When I try to prototype this with
> 
> 	GLOBAL LONG	FileRequester(..., LONG*(), ...);
> 
> and simmilar things I get something TYPES DON'T MATCH something.
> 
> So, what am I doing wrong? ? ?

The handy rule of thumb for writing types is: write a declaraction then erase
the name of the thing being declared (and the semicolon).  Thus

	LONG	(*filter)();

becomes

	LONG (*)()

and that's what you need in your prototype.

----
Larry Jones                         UUCP: uunet!sdrc!scjones
SDRC                                      scjones@sdrc.uucp
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