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tt_message_arg_mode(3)
CDE


NAME
  tt_message_arg_mode - return the mode of a message argument

SYNOPSIS
  #include <Tt/tt_c.h>
  Tt_mode tt_message_arg_mode(Tt_message m,				int
  n);

DESCRIPTION
  The tt_message_arg_mode function returns the mode 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
  Upon successful completion, the tt_message_arg_mode function returns a
  value that specifies who (sender, handler, observers) writes and reads a
  message argument.  The following modes are defined: The argument is written
  by the sender and read by the handler and any observers.
  The argument is written by the handler and read by the sender and any reply
  observers.
  The argument is written by the sender and the handler and read by all.

  The application can use tt_int_error3 to extract one of the following
  Tt_status values from the Tt_mode integer return value: The operation
  completed successfully.
  The ttsession1 process is not running and the ToolTalk service cannot
  restart it.
  The integer value passed was invalid (out of range).
  The pointer passed does not point to an object of the correct type for this
  operation.

SEE ALSO
  Tt/tt_c.h5, tt_int_error3.