'd(addr, ndx = 0) -> int
Leak dword at ``((uint32_t*) addr)[ndx]``
Examples:
>>> import string
>>> data = string.ascii_lowercase
>>> l = MemLeak(lambda a: data[a:a+8], reraise=False)
>>> l.d(0) == unpack(\'abcd\', 32)
True
>>> l.d(22) == unpack(\'wxyz\', 32)
True
>>> l.d(23) is None
True'

def d(self, addr, ndx=0):

    return self._b(addr, ndx, 4)
