doc: Fix some function signature errors

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16874)

doc/man3/BN_rand.pod

@@ -19,20 +19,20 @@ BN_pseudo_rand_range
                      unsigned int strength, BN_CTX *ctx);
  int BN_priv_rand(BIGNUM *rnd, int bits, int top, int bottom);
 
- int BN_rand_range_ex(BIGNUM *rnd, BIGNUM *range, unsigned int strength,
+ int BN_rand_range_ex(BIGNUM *rnd, const BIGNUM *range, unsigned int strength,
                       BN_CTX *ctx);
- int BN_rand_range(BIGNUM *rnd, BIGNUM *range);
+ int BN_rand_range(BIGNUM *rnd, const BIGNUM *range);
 
- int BN_priv_rand_range_ex(BIGNUM *rnd, BIGNUM *range, unsigned int strength,
+ int BN_priv_rand_range_ex(BIGNUM *rnd, const BIGNUM *range, unsigned int strength,
                            BN_CTX *ctx);
- int BN_priv_rand_range(BIGNUM *rnd, BIGNUM *range);
+ int BN_priv_rand_range(BIGNUM *rnd, const BIGNUM *range);
 
 Deprecated since OpenSSL 3.0, can be hidden entirely by defining
 OPENSSL_API_COMPAT with a suitable version value, see
 openssl_user_macros(7):
 
  int BN_pseudo_rand(BIGNUM *rnd, int bits, int top, int bottom);
- int BN_pseudo_rand_range(BIGNUM *rnd, BIGNUM *range);
+ int BN_pseudo_rand_range(BIGNUM *rnd, const BIGNUM *range);
 
 =head1 DESCRIPTION
 

doc/man3/DSA_set_method.pod

@@ -21,7 +21,7 @@ L<openssl_user_macros(7)>:
 
  DSA *DSA_new_method(ENGINE *engine);
 
- DSA_METHOD *DSA_OpenSSL(void);
+ const DSA_METHOD *DSA_OpenSSL(void);
 
 =head1 DESCRIPTION
 

doc/man3/SHA256_Init.pod

@@ -11,11 +11,11 @@ SHA512_Final - Secure Hash Algorithm
 
  #include <openssl/sha.h>
 
- unsigned char *SHA1(const void *data, size_t count, unsigned char *md_buf);
- unsigned char *SHA224(const void *data, size_t count, unsigned char *md_buf);
- unsigned char *SHA256(const void *data, size_t count, unsigned char *md_buf);
- unsigned char *SHA384(const void *data, size_t count, unsigned char *md_buf);
- unsigned char *SHA512(const void *data, size_t count, unsigned char *md_buf);
+ unsigned char *SHA1(const unsigned char *data, size_t count, unsigned char *md_buf);
+ unsigned char *SHA224(const unsigned char *data, size_t count, unsigned char *md_buf);
+ unsigned char *SHA256(const unsigned char *data, size_t count, unsigned char *md_buf);
+ unsigned char *SHA384(const unsigned char *data, size_t count, unsigned char *md_buf);
+ unsigned char *SHA512(const unsigned char *data, size_t count, unsigned char *md_buf);
 
 Deprecated since OpenSSL 3.0, can be hidden entirely by defining
 B<OPENSSL_API_COMPAT> with a suitable version value, see

doc/man3/SSL_CTX_set_client_hello_cb.pod

@@ -18,7 +18,7 @@ SSL_CTX_set_client_hello_cb, SSL_client_hello_cb_fn, SSL_client_hello_isv2, SSL_
                                                   const unsigned char **out);
  int SSL_client_hello_get1_extensions_present(SSL *s, int **out,
                                               size_t *outlen);
- int SSL_client_hello_get0_ext(SSL *s, int type, const unsigned char **out,
+ int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out,
                                size_t *outlen);
 
 =head1 DESCRIPTION

doc/man3/SSL_CTX_set_num_tickets.pod

@@ -14,9 +14,9 @@ SSL_new_session_ticket
  #include <openssl/ssl.h>
 
  int SSL_set_num_tickets(SSL *s, size_t num_tickets);
- size_t SSL_get_num_tickets(SSL *s);
+ size_t SSL_get_num_tickets(const SSL *s);
  int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
- size_t SSL_CTX_get_num_tickets(SSL_CTX *ctx);
+ size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
  int SSL_new_session_ticket(SSL *s);
 
 =head1 DESCRIPTION

doc/man3/SSL_CTX_set_split_send_fragment.pod

@@ -28,7 +28,7 @@ SSL_SESSION_get_max_fragment_length - Control fragment size settings and pipelin
 
  int SSL_CTX_set_tlsext_max_fragment_length(SSL_CTX *ctx, uint8_t mode);
  int SSL_set_tlsext_max_fragment_length(SSL *ssl, uint8_t mode);
- uint8_t SSL_SESSION_get_max_fragment_length(SSL_SESSION *session);
+ uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *session);
 
 =head1 DESCRIPTION