diff --git a/include/openssl/dsa.h b/include/openssl/dsa.h
index f992b91..2b4c08b 100644
--- a/include/openssl/dsa.h
+++ b/include/openssl/dsa.h
@@ -71,228 +71,228 @@
 #endif
 
 
-/* DSA contains functions for signing and verifying with the Digital Signature
- * Algorithm. */
+// DSA contains functions for signing and verifying with the Digital Signature
+// Algorithm.
 
 
-/* Allocation and destruction. */
+// Allocation and destruction.
 
-/* DSA_new returns a new, empty DSA object or NULL on error. */
+// DSA_new returns a new, empty DSA object or NULL on error.
 OPENSSL_EXPORT DSA *DSA_new(void);
 
-/* DSA_free decrements the reference count of |dsa| and frees it if the
- * reference count drops to zero. */
+// DSA_free decrements the reference count of |dsa| and frees it if the
+// reference count drops to zero.
 OPENSSL_EXPORT void DSA_free(DSA *dsa);
 
-/* DSA_up_ref increments the reference count of |dsa| and returns one. */
+// DSA_up_ref increments the reference count of |dsa| and returns one.
 OPENSSL_EXPORT int DSA_up_ref(DSA *dsa);
 
 
-/* Properties. */
+// Properties.
 
-/* DSA_get0_key sets |*out_pub_key| and |*out_priv_key|, if non-NULL, to |dsa|'s
- * public and private key, respectively. If |dsa| is a public key, the private
- * key will be set to NULL. */
+// DSA_get0_key sets |*out_pub_key| and |*out_priv_key|, if non-NULL, to |dsa|'s
+// public and private key, respectively. If |dsa| is a public key, the private
+// key will be set to NULL.
 OPENSSL_EXPORT void DSA_get0_key(const DSA *dsa, const BIGNUM **out_pub_key,
                                  const BIGNUM **out_priv_key);
 
-/* DSA_get0_pqg sets |*out_p|, |*out_q|, and |*out_g|, if non-NULL, to |dsa|'s
- * p, q, and g parameters, respectively. */
+// DSA_get0_pqg sets |*out_p|, |*out_q|, and |*out_g|, if non-NULL, to |dsa|'s
+// p, q, and g parameters, respectively.
 OPENSSL_EXPORT void DSA_get0_pqg(const DSA *dsa, const BIGNUM **out_p,
                                  const BIGNUM **out_q, const BIGNUM **out_g);
 
 
-/* Parameter generation. */
+// Parameter generation.
 
-/* DSA_generate_parameters_ex generates a set of DSA parameters by following
- * the procedure given in FIPS 186-4, appendix A.
- * (http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.186-4.pdf)
- *
- * The larger prime will have a length of |bits| (e.g. 2048). The |seed| value
- * allows others to generate and verify the same parameters and should be
- * random input which is kept for reference. If |out_counter| or |out_h| are
- * not NULL then the counter and h value used in the generation are written to
- * them.
- *
- * The |cb| argument is passed to |BN_generate_prime_ex| and is thus called
- * during the generation process in order to indicate progress. See the
- * comments for that function for details. In addition to the calls made by
- * |BN_generate_prime_ex|, |DSA_generate_parameters_ex| will call it with
- * |event| equal to 2 and 3 at different stages of the process.
- *
- * It returns one on success and zero otherwise. */
+// DSA_generate_parameters_ex generates a set of DSA parameters by following
+// the procedure given in FIPS 186-4, appendix A.
+// (http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.186-4.pdf)
+//
+// The larger prime will have a length of |bits| (e.g. 2048). The |seed| value
+// allows others to generate and verify the same parameters and should be
+// random input which is kept for reference. If |out_counter| or |out_h| are
+// not NULL then the counter and h value used in the generation are written to
+// them.
+//
+// The |cb| argument is passed to |BN_generate_prime_ex| and is thus called
+// during the generation process in order to indicate progress. See the
+// comments for that function for details. In addition to the calls made by
+// |BN_generate_prime_ex|, |DSA_generate_parameters_ex| will call it with
+// |event| equal to 2 and 3 at different stages of the process.
+//
+// It returns one on success and zero otherwise.
 OPENSSL_EXPORT int DSA_generate_parameters_ex(DSA *dsa, unsigned bits,
                                               const uint8_t *seed,
                                               size_t seed_len, int *out_counter,
                                               unsigned long *out_h,
                                               BN_GENCB *cb);
 
-/* DSAparams_dup returns a freshly allocated |DSA| that contains a copy of the
- * parameters from |dsa|. It returns NULL on error. */
+// DSAparams_dup returns a freshly allocated |DSA| that contains a copy of the
+// parameters from |dsa|. It returns NULL on error.
 OPENSSL_EXPORT DSA *DSAparams_dup(const DSA *dsa);
 
 
-/* Key generation. */
+// Key generation.
 
-/* DSA_generate_key generates a public/private key pair in |dsa|, which must
- * already have parameters setup. It returns one on success and zero on
- * error. */
+// DSA_generate_key generates a public/private key pair in |dsa|, which must
+// already have parameters setup. It returns one on success and zero on
+// error.
 OPENSSL_EXPORT int DSA_generate_key(DSA *dsa);
 
 
-/* Signatures. */
+// Signatures.
 
-/* DSA_SIG_st (aka |DSA_SIG|) contains a DSA signature as a pair of integers. */
+// DSA_SIG_st (aka |DSA_SIG|) contains a DSA signature as a pair of integers.
 struct DSA_SIG_st {
   BIGNUM *r, *s;
 };
 
-/* DSA_SIG_new returns a freshly allocated, DIG_SIG structure or NULL on error.
- * Both |r| and |s| in the signature will be NULL. */
+// DSA_SIG_new returns a freshly allocated, DIG_SIG structure or NULL on error.
+// Both |r| and |s| in the signature will be NULL.
 OPENSSL_EXPORT DSA_SIG *DSA_SIG_new(void);
 
-/* DSA_SIG_free frees the contents of |sig| and then frees |sig| itself. */
+// DSA_SIG_free frees the contents of |sig| and then frees |sig| itself.
 OPENSSL_EXPORT void DSA_SIG_free(DSA_SIG *sig);
 
-/* DSA_do_sign returns a signature of the hash in |digest| by the key in |dsa|
- * and returns an allocated, DSA_SIG structure, or NULL on error. */
+// DSA_do_sign returns a signature of the hash in |digest| by the key in |dsa|
+// and returns an allocated, DSA_SIG structure, or NULL on error.
 OPENSSL_EXPORT DSA_SIG *DSA_do_sign(const uint8_t *digest, size_t digest_len,
                                     DSA *dsa);
 
-/* DSA_do_verify verifies that |sig| is a valid signature, by the public key in
- * |dsa|, of the hash in |digest|. It returns one if so, zero if invalid and -1
- * on error.
- *
- * WARNING: do not use. This function returns -1 for error, 0 for invalid and 1
- * for valid. However, this is dangerously different to the usual OpenSSL
- * convention and could be a disaster if a user did |if (DSA_do_verify(...))|.
- * Because of this, |DSA_check_signature| is a safer version of this.
- *
- * TODO(fork): deprecate. */
+// DSA_do_verify verifies that |sig| is a valid signature, by the public key in
+// |dsa|, of the hash in |digest|. It returns one if so, zero if invalid and -1
+// on error.
+//
+// WARNING: do not use. This function returns -1 for error, 0 for invalid and 1
+// for valid. However, this is dangerously different to the usual OpenSSL
+// convention and could be a disaster if a user did |if (DSA_do_verify(...))|.
+// Because of this, |DSA_check_signature| is a safer version of this.
+//
+// TODO(fork): deprecate.
 OPENSSL_EXPORT int DSA_do_verify(const uint8_t *digest, size_t digest_len,
                                  DSA_SIG *sig, const DSA *dsa);
 
-/* DSA_do_check_signature sets |*out_valid| to zero. Then it verifies that |sig|
- * is a valid signature, by the public key in |dsa| of the hash in |digest|
- * and, if so, it sets |*out_valid| to one.
- *
- * It returns one if it was able to verify the signature as valid or invalid,
- * and zero on error. */
+// DSA_do_check_signature sets |*out_valid| to zero. Then it verifies that |sig|
+// is a valid signature, by the public key in |dsa| of the hash in |digest|
+// and, if so, it sets |*out_valid| to one.
+//
+// It returns one if it was able to verify the signature as valid or invalid,
+// and zero on error.
 OPENSSL_EXPORT int DSA_do_check_signature(int *out_valid, const uint8_t *digest,
                                           size_t digest_len, DSA_SIG *sig,
                                           const DSA *dsa);
 
 
-/* ASN.1 signatures.
- *
- * These functions also perform DSA signature operations, but deal with ASN.1
- * encoded signatures as opposed to raw |BIGNUM|s. If you don't know what
- * encoding a DSA signature is in, it's probably ASN.1. */
+// ASN.1 signatures.
+//
+// These functions also perform DSA signature operations, but deal with ASN.1
+// encoded signatures as opposed to raw |BIGNUM|s. If you don't know what
+// encoding a DSA signature is in, it's probably ASN.1.
 
-/* DSA_sign signs |digest| with the key in |dsa| and writes the resulting
- * signature, in ASN.1 form, to |out_sig| and the length of the signature to
- * |*out_siglen|. There must be, at least, |DSA_size(dsa)| bytes of space in
- * |out_sig|. It returns one on success and zero otherwise.
- *
- * (The |type| argument is ignored.) */
+// DSA_sign signs |digest| with the key in |dsa| and writes the resulting
+// signature, in ASN.1 form, to |out_sig| and the length of the signature to
+// |*out_siglen|. There must be, at least, |DSA_size(dsa)| bytes of space in
+// |out_sig|. It returns one on success and zero otherwise.
+//
+// (The |type| argument is ignored.)
 OPENSSL_EXPORT int DSA_sign(int type, const uint8_t *digest, size_t digest_len,
                             uint8_t *out_sig, unsigned int *out_siglen,
                             DSA *dsa);
 
-/* DSA_verify verifies that |sig| is a valid, ASN.1 signature, by the public
- * key in |dsa|, of the hash in |digest|. It returns one if so, zero if invalid
- * and -1 on error.
- *
- * (The |type| argument is ignored.)
- *
- * WARNING: do not use. This function returns -1 for error, 0 for invalid and 1
- * for valid. However, this is dangerously different to the usual OpenSSL
- * convention and could be a disaster if a user did |if (DSA_do_verify(...))|.
- * Because of this, |DSA_check_signature| is a safer version of this.
- *
- * TODO(fork): deprecate. */
+// DSA_verify verifies that |sig| is a valid, ASN.1 signature, by the public
+// key in |dsa|, of the hash in |digest|. It returns one if so, zero if invalid
+// and -1 on error.
+//
+// (The |type| argument is ignored.)
+//
+// WARNING: do not use. This function returns -1 for error, 0 for invalid and 1
+// for valid. However, this is dangerously different to the usual OpenSSL
+// convention and could be a disaster if a user did |if (DSA_do_verify(...))|.
+// Because of this, |DSA_check_signature| is a safer version of this.
+//
+// TODO(fork): deprecate.
 OPENSSL_EXPORT int DSA_verify(int type, const uint8_t *digest,
                               size_t digest_len, const uint8_t *sig,
                               size_t sig_len, const DSA *dsa);
 
-/* DSA_check_signature sets |*out_valid| to zero. Then it verifies that |sig|
- * is a valid, ASN.1 signature, by the public key in |dsa|, of the hash in
- * |digest|. If so, it sets |*out_valid| to one.
- *
- * It returns one if it was able to verify the signature as valid or invalid,
- * and zero on error. */
+// DSA_check_signature sets |*out_valid| to zero. Then it verifies that |sig|
+// is a valid, ASN.1 signature, by the public key in |dsa|, of the hash in
+// |digest|. If so, it sets |*out_valid| to one.
+//
+// It returns one if it was able to verify the signature as valid or invalid,
+// and zero on error.
 OPENSSL_EXPORT int DSA_check_signature(int *out_valid, const uint8_t *digest,
                                        size_t digest_len, const uint8_t *sig,
                                        size_t sig_len, const DSA *dsa);
 
-/* DSA_size returns the size, in bytes, of an ASN.1 encoded, DSA signature
- * generated by |dsa|. Parameters must already have been setup in |dsa|. */
+// DSA_size returns the size, in bytes, of an ASN.1 encoded, DSA signature
+// generated by |dsa|. Parameters must already have been setup in |dsa|.
 OPENSSL_EXPORT int DSA_size(const DSA *dsa);
 
 
-/* ASN.1 encoding. */
+// ASN.1 encoding.
 
-/* DSA_SIG_parse parses a DER-encoded DSA-Sig-Value structure from |cbs| and
- * advances |cbs|. It returns a newly-allocated |DSA_SIG| or NULL on error. */
+// DSA_SIG_parse parses a DER-encoded DSA-Sig-Value structure from |cbs| and
+// advances |cbs|. It returns a newly-allocated |DSA_SIG| or NULL on error.
 OPENSSL_EXPORT DSA_SIG *DSA_SIG_parse(CBS *cbs);
 
-/* DSA_SIG_marshal marshals |sig| as a DER-encoded DSA-Sig-Value and appends the
- * result to |cbb|. It returns one on success and zero on error. */
+// DSA_SIG_marshal marshals |sig| as a DER-encoded DSA-Sig-Value and appends the
+// result to |cbb|. It returns one on success and zero on error.
 OPENSSL_EXPORT int DSA_SIG_marshal(CBB *cbb, const DSA_SIG *sig);
 
-/* DSA_parse_public_key parses a DER-encoded DSA public key from |cbs| and
- * advances |cbs|. It returns a newly-allocated |DSA| or NULL on error. */
+// DSA_parse_public_key parses a DER-encoded DSA public key from |cbs| and
+// advances |cbs|. It returns a newly-allocated |DSA| or NULL on error.
 OPENSSL_EXPORT DSA *DSA_parse_public_key(CBS *cbs);
 
-/* DSA_marshal_public_key marshals |dsa| as a DER-encoded DSA public key and
- * appends the result to |cbb|. It returns one on success and zero on
- * failure. */
+// DSA_marshal_public_key marshals |dsa| as a DER-encoded DSA public key and
+// appends the result to |cbb|. It returns one on success and zero on
+// failure.
 OPENSSL_EXPORT int DSA_marshal_public_key(CBB *cbb, const DSA *dsa);
 
-/* DSA_parse_private_key parses a DER-encoded DSA private key from |cbs| and
- * advances |cbs|. It returns a newly-allocated |DSA| or NULL on error. */
+// DSA_parse_private_key parses a DER-encoded DSA private key from |cbs| and
+// advances |cbs|. It returns a newly-allocated |DSA| or NULL on error.
 OPENSSL_EXPORT DSA *DSA_parse_private_key(CBS *cbs);
 
-/* DSA_marshal_private_key marshals |dsa| as a DER-encoded DSA private key and
- * appends the result to |cbb|. It returns one on success and zero on
- * failure. */
+// DSA_marshal_private_key marshals |dsa| as a DER-encoded DSA private key and
+// appends the result to |cbb|. It returns one on success and zero on
+// failure.
 OPENSSL_EXPORT int DSA_marshal_private_key(CBB *cbb, const DSA *dsa);
 
-/* DSA_parse_parameters parses a DER-encoded Dss-Parms structure (RFC 3279)
- * from |cbs| and advances |cbs|. It returns a newly-allocated |DSA| or NULL on
- * error. */
+// DSA_parse_parameters parses a DER-encoded Dss-Parms structure (RFC 3279)
+// from |cbs| and advances |cbs|. It returns a newly-allocated |DSA| or NULL on
+// error.
 OPENSSL_EXPORT DSA *DSA_parse_parameters(CBS *cbs);
 
-/* DSA_marshal_parameters marshals |dsa| as a DER-encoded Dss-Parms structure
- * (RFC 3447) and appends the result to |cbb|. It returns one on success and
- * zero on failure. */
+// DSA_marshal_parameters marshals |dsa| as a DER-encoded Dss-Parms structure
+// (RFC 3447) and appends the result to |cbb|. It returns one on success and
+// zero on failure.
 OPENSSL_EXPORT int DSA_marshal_parameters(CBB *cbb, const DSA *dsa);
 
 
-/* Precomputation. */
+// Precomputation.
 
-/* DSA_sign_setup precomputes the message independent part of the DSA signature
- * and writes them to |*out_kinv| and |*out_r|. Returns one on success, zero on
- * error.
- *
- * TODO(fork): decide what to do with this. Since making DSA* opaque there's no
- * way for the user to install them. Also, it forces the DSA* not to be const
- * when passing to the signing function. */
+// DSA_sign_setup precomputes the message independent part of the DSA signature
+// and writes them to |*out_kinv| and |*out_r|. Returns one on success, zero on
+// error.
+//
+// TODO(fork): decide what to do with this. Since making DSA* opaque there's no
+// way for the user to install them. Also, it forces the DSA* not to be const
+// when passing to the signing function.
 OPENSSL_EXPORT int DSA_sign_setup(const DSA *dsa, BN_CTX *ctx,
                                   BIGNUM **out_kinv, BIGNUM **out_r);
 
 
-/* Conversion. */
+// Conversion.
 
-/* DSA_dup_DH returns a |DH| constructed from the parameters of |dsa|. This is
- * sometimes needed when Diffie-Hellman parameters are stored in the form of
- * DSA parameters. It returns an allocated |DH| on success or NULL on error. */
+// DSA_dup_DH returns a |DH| constructed from the parameters of |dsa|. This is
+// sometimes needed when Diffie-Hellman parameters are stored in the form of
+// DSA parameters. It returns an allocated |DH| on success or NULL on error.
 OPENSSL_EXPORT DH *DSA_dup_DH(const DSA *dsa);
 
 
-/* ex_data functions.
- *
- * See |ex_data.h| for details. */
+// ex_data functions.
+//
+// See |ex_data.h| for details.
 
 OPENSSL_EXPORT int DSA_get_ex_new_index(long argl, void *argp,
                                         CRYPTO_EX_unused *unused,
@@ -302,84 +302,84 @@
 OPENSSL_EXPORT void *DSA_get_ex_data(const DSA *dsa, int idx);
 
 
-/* Deprecated functions. */
+// Deprecated functions.
 
-/* d2i_DSA_SIG parses an ASN.1, DER-encoded, DSA signature from |len| bytes at
- * |*inp|. If |out_sig| is not NULL then, on exit, a pointer to the result is
- * in |*out_sig|. Note that, even if |*out_sig| is already non-NULL on entry, it
- * will not be written to. Rather, a fresh |DSA_SIG| is allocated and the
- * previous one is freed. On successful exit, |*inp| is advanced past the DER
- * structure. It returns the result or NULL on error.
- *
- * Use |DSA_SIG_parse| instead. */
+// d2i_DSA_SIG parses an ASN.1, DER-encoded, DSA signature from |len| bytes at
+// |*inp|. If |out_sig| is not NULL then, on exit, a pointer to the result is
+// in |*out_sig|. Note that, even if |*out_sig| is already non-NULL on entry, it
+// will not be written to. Rather, a fresh |DSA_SIG| is allocated and the
+// previous one is freed. On successful exit, |*inp| is advanced past the DER
+// structure. It returns the result or NULL on error.
+//
+// Use |DSA_SIG_parse| instead.
 OPENSSL_EXPORT DSA_SIG *d2i_DSA_SIG(DSA_SIG **out_sig, const uint8_t **inp,
                                     long len);
 
-/* i2d_DSA_SIG marshals |in| to an ASN.1, DER structure. If |outp| is not NULL
- * then the result is written to |*outp| and |*outp| is advanced just past the
- * output. It returns the number of bytes in the result, whether written or not,
- * or a negative value on error.
- *
- * Use |DSA_SIG_marshal| instead. */
+// i2d_DSA_SIG marshals |in| to an ASN.1, DER structure. If |outp| is not NULL
+// then the result is written to |*outp| and |*outp| is advanced just past the
+// output. It returns the number of bytes in the result, whether written or not,
+// or a negative value on error.
+//
+// Use |DSA_SIG_marshal| instead.
 OPENSSL_EXPORT int i2d_DSA_SIG(const DSA_SIG *in, uint8_t **outp);
 
-/* d2i_DSAPublicKey parses an ASN.1, DER-encoded, DSA public key from |len|
- * bytes at |*inp|. If |out| is not NULL then, on exit, a pointer to the result
- * is in |*out|. Note that, even if |*ou| is already non-NULL on entry, it will
- * not be written to. Rather, a fresh |DSA| is allocated and the previous one is
- * freed. On successful exit, |*inp| is advanced past the DER structure. It
- * returns the result or NULL on error.
- *
- * Use |DSA_parse_public_key| instead. */
+// d2i_DSAPublicKey parses an ASN.1, DER-encoded, DSA public key from |len|
+// bytes at |*inp|. If |out| is not NULL then, on exit, a pointer to the result
+// is in |*out|. Note that, even if |*ou| is already non-NULL on entry, it will
+// not be written to. Rather, a fresh |DSA| is allocated and the previous one is
+// freed. On successful exit, |*inp| is advanced past the DER structure. It
+// returns the result or NULL on error.
+//
+// Use |DSA_parse_public_key| instead.
 OPENSSL_EXPORT DSA *d2i_DSAPublicKey(DSA **out, const uint8_t **inp, long len);
 
-/* i2d_DSAPublicKey marshals a public key from |in| to an ASN.1, DER structure.
- * If |outp| is not NULL then the result is written to |*outp| and |*outp| is
- * advanced just past the output. It returns the number of bytes in the result,
- * whether written or not, or a negative value on error.
- *
- * Use |DSA_marshal_public_key| instead. */
+// i2d_DSAPublicKey marshals a public key from |in| to an ASN.1, DER structure.
+// If |outp| is not NULL then the result is written to |*outp| and |*outp| is
+// advanced just past the output. It returns the number of bytes in the result,
+// whether written or not, or a negative value on error.
+//
+// Use |DSA_marshal_public_key| instead.
 OPENSSL_EXPORT int i2d_DSAPublicKey(const DSA *in, uint8_t **outp);
 
-/* d2i_DSAPrivateKey parses an ASN.1, DER-encoded, DSA private key from |len|
- * bytes at |*inp|. If |out| is not NULL then, on exit, a pointer to the result
- * is in |*out|. Note that, even if |*out| is already non-NULL on entry, it will
- * not be written to. Rather, a fresh |DSA| is allocated and the previous one is
- * freed. On successful exit, |*inp| is advanced past the DER structure. It
- * returns the result or NULL on error.
- *
- * Use |DSA_parse_private_key| instead. */
+// d2i_DSAPrivateKey parses an ASN.1, DER-encoded, DSA private key from |len|
+// bytes at |*inp|. If |out| is not NULL then, on exit, a pointer to the result
+// is in |*out|. Note that, even if |*out| is already non-NULL on entry, it will
+// not be written to. Rather, a fresh |DSA| is allocated and the previous one is
+// freed. On successful exit, |*inp| is advanced past the DER structure. It
+// returns the result or NULL on error.
+//
+// Use |DSA_parse_private_key| instead.
 OPENSSL_EXPORT DSA *d2i_DSAPrivateKey(DSA **out, const uint8_t **inp, long len);
 
-/* i2d_DSAPrivateKey marshals a private key from |in| to an ASN.1, DER
- * structure. If |outp| is not NULL then the result is written to |*outp| and
- * |*outp| is advanced just past the output. It returns the number of bytes in
- * the result, whether written or not, or a negative value on error.
- *
- * Use |DSA_marshal_private_key| instead. */
+// i2d_DSAPrivateKey marshals a private key from |in| to an ASN.1, DER
+// structure. If |outp| is not NULL then the result is written to |*outp| and
+// |*outp| is advanced just past the output. It returns the number of bytes in
+// the result, whether written or not, or a negative value on error.
+//
+// Use |DSA_marshal_private_key| instead.
 OPENSSL_EXPORT int i2d_DSAPrivateKey(const DSA *in, uint8_t **outp);
 
-/* d2i_DSAparams parses ASN.1, DER-encoded, DSA parameters from |len| bytes at
- * |*inp|. If |out| is not NULL then, on exit, a pointer to the result is in
- * |*out|. Note that, even if |*out| is already non-NULL on entry, it will not
- * be written to. Rather, a fresh |DSA| is allocated and the previous one is
- * freed. On successful exit, |*inp| is advanced past the DER structure. It
- * returns the result or NULL on error.
- *
- * Use |DSA_parse_parameters| instead. */
+// d2i_DSAparams parses ASN.1, DER-encoded, DSA parameters from |len| bytes at
+// |*inp|. If |out| is not NULL then, on exit, a pointer to the result is in
+// |*out|. Note that, even if |*out| is already non-NULL on entry, it will not
+// be written to. Rather, a fresh |DSA| is allocated and the previous one is
+// freed. On successful exit, |*inp| is advanced past the DER structure. It
+// returns the result or NULL on error.
+//
+// Use |DSA_parse_parameters| instead.
 OPENSSL_EXPORT DSA *d2i_DSAparams(DSA **out, const uint8_t **inp, long len);
 
-/* i2d_DSAparams marshals DSA parameters from |in| to an ASN.1, DER structure.
- * If |outp| is not NULL then the result is written to |*outp| and |*outp| is
- * advanced just past the output. It returns the number of bytes in the result,
- * whether written or not, or a negative value on error.
- *
- * Use |DSA_marshal_parameters| instead. */
+// i2d_DSAparams marshals DSA parameters from |in| to an ASN.1, DER structure.
+// If |outp| is not NULL then the result is written to |*outp| and |*outp| is
+// advanced just past the output. It returns the number of bytes in the result,
+// whether written or not, or a negative value on error.
+//
+// Use |DSA_marshal_parameters| instead.
 OPENSSL_EXPORT int i2d_DSAparams(const DSA *in, uint8_t **outp);
 
-/* DSA_generate_parameters is a deprecated version of
- * |DSA_generate_parameters_ex| that creates and returns a |DSA*|. Don't use
- * it. */
+// DSA_generate_parameters is a deprecated version of
+// |DSA_generate_parameters_ex| that creates and returns a |DSA*|. Don't use
+// it.
 OPENSSL_EXPORT DSA *DSA_generate_parameters(int bits, unsigned char *seed,
                                             int seed_len, int *counter_ret,
                                             unsigned long *h_ret,
@@ -390,17 +390,17 @@
 struct dsa_st {
   long version;
   BIGNUM *p;
-  BIGNUM *q; /* == 20 */
+  BIGNUM *q;  // == 20
   BIGNUM *g;
 
-  BIGNUM *pub_key;  /* y public key */
-  BIGNUM *priv_key; /* x private key */
+  BIGNUM *pub_key;   // y public key
+  BIGNUM *priv_key;  // x private key
 
-  BIGNUM *kinv; /* Signing pre-calc */
-  BIGNUM *r;    /* Signing pre-calc */
+  BIGNUM *kinv;  // Signing pre-calc
+  BIGNUM *r;     // Signing pre-calc
 
   int flags;
-  /* Normally used to cache montgomery values */
+  // Normally used to cache montgomery values
   CRYPTO_MUTEX method_mont_lock;
   BN_MONT_CTX *method_mont_p;
   BN_MONT_CTX *method_mont_q;
@@ -410,7 +410,7 @@
 
 
 #if defined(__cplusplus)
-}  /* extern C */
+}  // extern C
 
 extern "C++" {
 
@@ -421,7 +421,7 @@
 
 }  // namespace bssl
 
-}  /* extern C++ */
+}  // extern C++
 
 #endif
 
@@ -433,4 +433,4 @@
 #define DSA_R_DECODE_ERROR 105
 #define DSA_R_ENCODE_ERROR 106
 
-#endif  /* OPENSSL_HEADER_DSA_H */
+#endif  // OPENSSL_HEADER_DSA_H