* Calling errors:
   */
  #define GSS_S_CALL_INACCESSIBLE_READ \
                               (1ul << GSS_C_CALLING_ERROR_OFFSET)
  #define GSS_S_CALL_INACCESSIBLE_WRITE \
                               (2ul << GSS_C_CALLING_ERROR_OFFSET)




 
RFC 1509            GSSAPI - Overview and C bindings      September 1993


  #define GSS_S_CALL_BAD_STRUCTURE \
                               (3ul << GSS_C_CALLING_ERROR_OFFSET)

  /*
   * Routine errors:
   */
  #define GSS_S_BAD_MECH (1ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_BAD_NAME (2ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_BAD_NAMETYPE (3ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_BAD_BINDINGS (4ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_BAD_STATUS (5ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_BAD_SIG (6ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_NO_CRED (7ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_NO_CONTEXT (8ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_DEFECTIVE_TOKEN (9ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_DEFECTIVE_CREDENTIAL (10ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_CREDENTIALS_EXPIRED (11ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_CONTEXT_EXPIRED (12ul << GSS_C_ROUTINE_ERROR_OFFSET)
  #define GSS_S_FAILURE (13ul << GSS_C_ROUTINE_ERROR_OFFSET)

  /*
   * Supplementary info bits:
   */
  #define GSS_S_CONTINUE_NEEDED (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 0))
  #define GSS_S_DUPLICATE_TOKEN (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 1))
  #define GSS_S_OLD_TOKEN (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 2))
  #define GSS_S_UNSEQ_TOKEN (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 3))


  /*
   * Finally, function prototypes for the GSSAPI routines.
   */

  OM_uint32 gss_acquire_cred
             (OM_uint32*,       /* minor_status */
              gss_name_t,       /* desired_name */
              OM_uint32,        /* time_req */
              gss_OID_set,      /* desired_mechs */
              int,              /* cred_usage */
              gss_cred_id_t*,   /* output_cred_handle */
              gss_OID_set*,     /* actual_mechs */
              OM_uint32*        /* time_rec */
             );

  OM_uint32 gss_release_cred,
             (OM_uint32*,       /* minor_status */
              gss_cred_id_t*    /* cred_handle */
             );




 
RFC 1509            GSSAPI - Overview and C bindings      September 1993


  OM_uint32 gss_init_sec_context
             (OM_uint32*,       /* minor_status */
              gss_cred_id_t,    /* claimant_cred_handle */
              gss_ctx_id_t*,    /* context_handle */
              gss_name_t,       /* target_name */
              gss_OID,          /* mech_type */
              int,              /* req_flags */
              OM_uint32,        /* time_req */
              gss_channel_bindings_t,
                                /* input_chan_bindings */
              gss_buffer_t,     /* input_token */
              gss_OID*,         /* actual_mech_type */
              gss_buffer_t,     /* output_token */
              int*,             /* ret_flags */
              OM_uint32*        /* time_rec */
             );

  OM_uint32 gss_accept_sec_context
             (OM_uint32*,       /* minor_status */
              gss_ctx_id_t*,    /* context_handle */
              gss_cred_id_t,    /* verifier_cred_handle */
              gss_buffer_t,     /* input_token_buffer */
              gss_channel_bindings_t,
                                /* input_chan_bindings */
              gss_name_t*,      /* src_name */
              gss_OID*,         /* mech_type */
              gss_buffer_t,     /* output_token */
              int*,             /* ret_flags */
              OM_uint32*,       /* time_rec */
              gss_cred_id_t*    /* delegated_cred_handle */