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From: yahoo@unix.cis.pitt.edu (Kenneth L Moore)
Newsgroups: comp.lang.c
Subject: Re: (void *)  ?  /* again */
Keywords: coerce
Message-ID: <21771@unix.cis.pitt.edu>
Date: 22 Jan 90 01:17:17 GMT
References: <6200009@ux1.cso.uiuc.edu>
Reply-To: yahoo@unix.cis.pitt.edu (Kenneth L Moore)
Organization: Univ. of Pittsburgh, Comp & Info Services
Lines: 23

In article <6200009@ux1.cso.uiuc.edu> phil@ux1.cso.uiuc.edu writes:

=>I have read (but I'm not sure where, I think it was in H&S) that when you
=>have the type   (void *)  then its effectively matches any pointer.  For
=>instance, malloc is declared like:
=>
=>        void * malloc();
=>
=>and you should be able to use it like:
=>
=>        long * plong;
=>        plong = malloc( sizeof(long) );
=>

Have you tried to coerce the type with 
    
       plong = (long *) malloc(sizeof(long)); 

and no declaration of malloc? This way you can use malloc for several
different types of pointers in the same program.

-- 
I don't yell and I don't tell and I'm grateful as hell: Benny Hill