#include <reent.h>
#include <stdlib.h>
#include <string.h>
char *
_strdup_r (struct _reent *reent_ptr,
const char *str)
{
size_t len = strlen (str) + 1;
char *copy = _malloc_r (reent_ptr, len);
if (copy)
memcpy (copy, str, len);
}
return copy;