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tt_default_session(library call)	      tt_default_session(library call)

NAME
       tt_default_session — retrieve the current default session identifier

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

DESCRIPTION
       The  tt_default_session	function retrieves the current default session
       identifier.

RETURN VALUE
       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 ser‐
		 vice cannot restart it.

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		 The  current  default	process	 identifier  is out of date or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

APPLICATION USAGE
       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
       Tt/tt_c.h - Tttt_c(5), tt_ptr_error(3), tt_free(3).

					      tt_default_session(library call)

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