- *s++ = B64Chars[(*d >> 2) & 0x3f];
- *s++ = B64Chars[((*d & 0x03) << 4) | ((d[1] >> 4) & 0x0f)];
- *s++ = B64Chars[((d[1] & 0x0f) << 2) | ((d[2] >> 6) & 0x03)];
- *s++ = B64Chars[d[2] & 0x3f];
+ *s++ = __m_b64chars[(*d >> 2) & 0x3f];
+ *s++ = __m_b64chars[((*d & 0x03) << 4) | ((d[1] >> 4) & 0x0f)];
+ *s++ = __m_b64chars[((d[1] & 0x0f) << 2) | ((d[2] >> 6) & 0x03)];
+ *s++ = __m_b64chars[d[2] & 0x3f];