tt_message_op(3)

NAME
     tt_message_op - retrieve the operation attribute from a message

SYNOPSIS
     #include <Tt/tt_c.h>
     char *tt_message_op(Tt_message m);

DESCRIPTION
     The tt_message_op() function retrieves the operation attribute from the
     specified message.

     The m argument is the opaque handle for the message involved in this
     operation.

RETURN VALUE
     Upon successful completion, the tt_message_op() function returns the
     operation which the receiving process is to perform.  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_POINTER
                The pointer passed does not point to an object of the correct
                type for this operation.

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

SEE ALSO
     Tttt_c(5), tt_ptr_error(3), tt_free(3).