text: #ifndef HEADER_CURL_GSSAPI_H
  #define HEADER_CURL_GSSAPI_H
  /***************************************************************************
   *                                  _   _ ____  _
   *  Project                     ___| | | |  _ \| |
   *                             / __| | | | |_) | |
   *                            | (__| |_| |  _ <| |___
   *                             \___|\___/|_| \_\_____|
   *
   * Copyright (C) 2011 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
   *
   * This software is licensed as described in the file COPYING, which
   * you should have received as part of this distribution. The terms
   * are also available at https://curl.haxx.se/docs/copyright.html.
   *
   * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   * copies of the Software, and permit persons to whom the Software is
   * furnished to do so, under the terms of the COPYING file.
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   * KIND, either express or implied.
   *
   ***************************************************************************/
  
  #include "curl_setup.h"
  #include "urldata.h"
  
  #ifdef HAVE_GSSAPI
  extern gss_OID_desc Curl_spnego_mech_oid;
  extern gss_OID_desc Curl_krb5_mech_oid;
  
  /* Common method for using GSS-API */
  OM_uint32 Curl_gss_init_sec_context(
      struct Curl_easy* data,
      OM_uint32* minor_status,
      gss_ctx_id_t* context,
      gss_name_t target_name,
      gss_OID mech_type,
      gss_channel_bindings_t input_chan_bindings,
      gss_buffer_t input_token,
      gss_buffer_t output_token,
      const bool mutual_auth,
      OM_uint32* ret_flags);
  
  /* Helper to log a GSS-API error status */
  void Curl_gss_log_error(
      struct Curl_easy* data, const char* prefix, OM_uint32 major, OM_uint32 minor);
  
  /* Provide some definitions missing in old headers */
  #ifdef HAVE_OLD_GSSMIT
  #define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
  #define NCOMPAT 1
  #endif
  
  /* Define our privacy and integrity protection values */
  #define GSSAUTH_P_NONE 1
  #define GSSAUTH_P_INTEGRITY 2
  #define GSSAUTH_P_PRIVACY 4
  
  #endif /* HAVE_GSSAPI */
  #endif /* HEADER_CURL_GSSAPI_H */
  