_nolibc_u64toa_base
len = _nolibc_u64toa_base(v, out, base, recip);
return _nolibc_u64toa_base(in, buffer, 16, _NOLIBC_U64TOA_RECIP(16));
return _nolibc_u64toa_base(in, buffer, 10, _NOLIBC_U64TOA_RECIP(10));
return _nolibc_u64toa_base(in, buffer, 16, _NOLIBC_U64TOA_RECIP(16));
return _nolibc_u64toa_base(in, buffer, 10, _NOLIBC_U64TOA_RECIP(10));