Add SSL_get_client_certificate_types.

openssl/include/openssl/ssl.h

 /* ssl/ssl.h */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
  * 
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
@@ skipping 1971 matching lines @@
 const char *SSL_alert_desc_string_long(int value);
 const char *SSL_alert_desc_string(int value);
 
 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
 int SSL_add_client_CA(SSL *ssl,X509 *x);
 int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x);
 
+void SSL_get_client_certificate_types(const SSL *s, const unsigned char **ctype,
+        size_t *ctype_num);
+
 void SSL_set_connect_state(SSL *s);
 void SSL_set_accept_state(SSL *s);
 
 long SSL_get_default_timeout(const SSL *s);
 
 int SSL_library_init(void );
 
 char *SSL_CIPHER_description(const SSL_CIPHER *,char *buf,int size);
 STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk);
 
@@ skipping 667 matching lines @@
 #define SSL_R_WRONG_SIGNATURE_TYPE                       370
 #define SSL_R_WRONG_SSL_VERSION                          266
 #define SSL_R_WRONG_VERSION_NUMBER                       267
 #define SSL_R_X509_LIB                                   268
 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS           269
 
 #ifdef  __cplusplus
 }
 #endif
 #endif