tt_default_session(library call)           tt_default_session(library call)




 NAME    [Toc]    [Back]
      tt_default_session - retrieve the current default session identifier

 SYNOPSIS    [Toc]    [Back]
      #include <Tt/tt_c.h>
      char *tt_default_session(void)

 DESCRIPTION    [Toc]    [Back]
      The tt_default_session function retrieves the current default session
      identifier.

 RETURN VALUE    [Toc]    [Back]
      Upon successful completion, the tt_default_session function returns
      the pointer to the unique identifier for the current default session.
      If the pointer is NULL, no default session is set.  The application
      can use tt_ptr_error(3) to extract one of the following Tt_status
      values from the returned pointer:

      TT_OK     The operation completed successfully.

      TT_ERR_NOMP
                The ttsession(1) process is not running and the ToolTalk
                service cannot restart it.

      TT_ERR_PROCID
                The current default process identifier is out of date or
                invalid.

 APPLICATION USAGE    [Toc]    [Back]
      A session can have more than one session identifier.  This means that
      the application cannot compare the result of tt_default_session with
      the result of tt_message_session(3) to verify that the message was
      sent in the default session.

      The application should use tt_free(3) to free any data stored in the
      address returned by the ToolTalk API.

 SEE ALSO    [Toc]    [Back]
      Tt/tt_c.h - Tttt_c(5), tt_ptr_error(3), tt_free(3).


                                    - 1 -       Formatted:  January 24, 2005