tt_message_opnum(library call)               tt_message_opnum(library call)




 NAME    [Toc]    [Back]
      tt_message_opnum - retrieve the operation number attribute from a
      message

 SYNOPSIS    [Toc]    [Back]
      #include <Tt/tt_c.h>
      int tt_message_opnum(
      Tt_message m);

 DESCRIPTION    [Toc]    [Back]
      The tt_message_opnum function retrieves the operation number attribute
      from the specified message.

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

 RETURN VALUE    [Toc]    [Back]
      Upon successful completion, the tt_message_opnum function returns the
      number of the operation involved in this message.  The application can
      use tt_int_error(3) to extract one of the following Tt_status values
      from the returned integer:

      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.

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


                                    - 1 -       Formatted:  January 24, 2005