+BIO *BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it);
+
+int i2d_ASN1_bio_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
+ const ASN1_ITEM *it);
+int PEM_write_bio_ASN1_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
+ const char *hdr,
+ const ASN1_ITEM *it);
+int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags,
+ int ctype_nid, int econt_nid,
+ STACK_OF(X509_ALGOR) *mdalgs,
+ const ASN1_ITEM *it);
+ASN1_VALUE *SMIME_read_ASN1(BIO *bio, BIO **bcont, const ASN1_ITEM *it);
+int SMIME_crlf_copy(BIO *in, BIO *out, int flags);
+int SMIME_text(BIO *in, BIO *out);
+