cvs.gedasymbols.org/archives/browse.cgi | search |
From: | fred AT genesis DOT demon DOT co DOT uk (Lawrence Kirby) |
Newsgroups: | comp.lang.c,comp.os.msdos.djgpp |
Subject: | Re: Casting void pointers |
Date: | Mon, 22 Jun 98 10:33:56 GMT |
Organization: | none |
Message-ID: | <898511636snz@genesis.demon.co.uk> |
References: | <6mkaos$k7o AT dfw-ixnews6 DOT ix DOT netcom DOT com> <358DC1FA DOT 443E297D AT cs DOT com> |
Reply-To: | fred AT genesis DOT demon DOT co DOT uk |
Lines: | 26 |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
In article <358DC1FA DOT 443E297D AT cs DOT com> fighteer AT cs DOT com "John M. Aldrich" writes: ... >#include <stdio.h> > >int foo( int x ) >{ > return x + 10; >} > >int main( void ) >{ > void *vp = foo; Your compiler should have generated a diagnostic for this. The C language requires a cast to convert between void * and function pointers (in both directions). Note that C doesn't guarantee that a void * object can properly hold a funciton pointer. You should avoid doing this. -- ----------------------------------------- Lawrence Kirby | fred AT genesis DOT demon DOT co DOT uk Wilts, England | 70734 DOT 126 AT compuserve DOT com -----------------------------------------
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |