dlfcn load printf from the current process

test.c

/* Compile:
 *   Unix/OSX: gcc -o test test.c -ldl
 *   Windows via dlfcn-win32: cl.exe /I dlfcn-win32 dlfcn-win32\dlfcn.c test.c /Fetest.exe
 */

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

int main () {
  void *handle, *symbol;

  dlerror();
  handle = dlopen(NULL, RTLD_LAZY);
  printf("handle: %p\n", handle);

  dlerror();
  symbol = dlsym(handle, "printf");
  printf("symbol: %p\n", symbol);
  printf("dlerror() says: %s\n", dlerror());

  return 0;
}