#include <libintl.h>
#include <stdio.h>
int main ()
{
  const char *ret = bind_textdomain_codeset ("prog", NULL);
  printf ("ret = %s\n", ret != NULL ? ret : "(null)");
}
/*
glibc:           ret = (null)
GNU libintl:     ret = (null)
musl libc:       ret = (null)
NetBSD 10:       ret = (null)
Solaris 11:      ret = (null)
*/