#include <dlfcn.h>
#include <stdio.h>

int main() {
	const char *filename = "/usr/lib/libutil.so";
	void * dlhandle;
	const char * dlerr;

	if ((dlhandle = dlopen (filename, RTLD_NOW | RTLD_GLOBAL)) == NULL) {
		printf("dlopen failed");
		return -1;
	}

	if ((dlerr = dlerror ()) != NULL)
		printf("after dlopen of '%s' dlerror: p=%p s='%s' s[0]=%d\n", filename, dlerr, dlerr, (unsigned)dlerr[0]);

	return 0;
}