Date: Mon, 14 Feb 2000 12:27:01 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: Pradesh Chanderpaul <pradesh.chanderpaul@iname.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Help me understand dlopen/dlsy Message-ID: <20000214122701.U17536@fw.wintelcom.net> In-Reply-To: <200002141400.GAA29194@www.geocrawler.com>; from archiver@db.geocrawler.com on Mon, Feb 14, 2000 at 06:00:21AM -0800 References: <200002141400.GAA29194@www.geocrawler.com>
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* Pradesh Chanderpaul <archiver@db.geocrawler.com> [000214 06:33] wrote:
> This message was sent from Geocrawler.com by "Pradesh Chanderpaul" <pradesh.chanderpaul@iname.com>
> Be sure to reply to that address.
>
> Hello All
>
> I know that this question is more suited to the general
> questions mailing group, but I tried, and failed to obtain
> a response. So could someone please provide guidance with this
> topic. I have searched the mailing lists, man pages and the
> net at large without getting a satisfactory understanding.
>
> Consider the following scenario.
>
> I need to compile a program consisting of two source files
> and a makefile
>
> file1.c
> -------
> #include <stdio.h>
> #include <stdlib.h>
> #include <dlfcn.h>
>
> int main() {
> void *handle;
> void (*myhellofunc)(void);
> char *c;
>
> handle = dlopen(NULL, 1);
> c = dlerror();
>
> if (c) abort_with_error(c);
>
> myhellofunc = dlsym(handle, "_helloworld");
try "helloworld" (drop the '_')
-Alfred
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