base64_encode
ret = base64_encode(digest, digest_len, enc, true, BASE64_STD);
elen = base64_encode(cryptbuf, len, p, false, BASE64_IMAP);
len = base64_encode(osd_link.name, osd_link.len,
oname->len = base64_encode((const u8 *)&nokey_name, size,
int base64_encode(const u8 *src, int len, char *dst, bool padding, enum base64_variant variant);
EXPORT_SYMBOL_GPL(base64_encode);
base64_encode(data, len, dst, true, variant);
n_std = base64_encode(sample1, sizeof(sample1), std_buf, false, BASE64_STD);
n_url = base64_encode(sample1, sizeof(sample1), url_buf, false, BASE64_URLSAFE);
n_std = base64_encode(sample1, sizeof(sample1), std_buf, false, BASE64_STD);
n_imap = base64_encode(sample1, sizeof(sample1), imap_buf, false, BASE64_IMAP);
int enc_len = base64_encode(in, size, enc, true, variant);
int encoded_len = base64_encode(src, srclen, buf, padding, variant);