Strictly speaking, this only implements the _l variants of the functions we actually have. We're still missing nl_langinfo_l, for example, but we don't have nl_langinfo either. Change-Id: Ie711c7b04e7b9100932a13f5a5d5b28847eb4c12
Even armv5 had CLZ. Change-Id: I51bc8d1166d09940fd0d3f4c7717edf26977082c