tt_message_arg_val(library call)           tt_message_arg_val(library call)




 NAME    [Toc]    [Back]
      tt_message_arg_val - return a pointer to the value of a message
      argument

 SYNOPSIS    [Toc]    [Back]
      #include <Tt/tt_c.h>
      char *tt_message_arg_val(
      Tt_message m,
      int n);

 DESCRIPTION    [Toc]    [Back]
      The tt_message_arg_val function returns a pointer to the value of the
      nth message argument.

      The m argument is the opaque handle for the message involved in this
      operation.  The n argument is the number of the argument to be
      returned.  The first argument is numbered zero.

 RETURN VALUE    [Toc]    [Back]
      Upon successful completion, the tt_message_arg_val function returns
      the contents for the message argument.  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_NUM
                The integer value passed was invalid (out of range).

      TT_ERR_POINTER
                The pointer passed does not point to an object of the
                correct type for this operation.

 APPLICATION USAGE    [Toc]    [Back]
      The application can 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