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Accessing exported variables in DLL with dlsym().
- To: <cygwin at sourceware dot cygnus dot com>
- Subject: Accessing exported variables in DLL with dlsym().
- From: "Andrej Borsenkow" <Andrej dot Borsenkow at mow dot siemens dot ru>
- Date: Thu, 6 Jul 2000 12:58:55 +0400
I am trying to port a program that opens dynamic library with dlopen()
and looks up symbol with dlsym(). This works for function reference but
not for variable. The porgram is:
main.c:
#include <dlfcn.h>
#include <stdio.h>
main() {
int (*foo)(void);
void *libfoo;
libfoo = dlopen ("libfoo.dll", 0);
foo = dlsym (libfoo, "foo");
foo();
}
foo.c:
#include <stdio.h>
#include <dlfcn.h>
__declspec (dllexport) extern foo (void);
foo() {
char *bar;
void *libbar;
libbar = dlopen ("libbar.dll", 0);
bar = dlsym (libbar, "bar");
puts (bar);
}
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