From owner-freebsd-hackers  Mon Feb 14 12: 0:20 2000
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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
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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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