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tt_pattern_arg_add(3)
CDE
NAME
  tt_pattern_arg_add - add an argument to a pattern

SYNOPSIS
  #include <tt_c.h>
  Tt_status tt_pattern_arg_add(Tt_pattern p,
			       Tt_mode n,
			       const char *vtype,
			       const char *value);

DESCRIPTION
  The tt_pattern_arg_add function adds an argument to a pattern. The
  application must add pattern arguments before it registers the pattern with
  the ToolTalk service.

  The p argument is the opaque handle for the pattern involved in this
  operation The n argument specifies who (sender, handler, observers) writes
  and reads a message argument.	 The following modes are defined:

  TT_IN
      The argument is written by the sender and read by the handler and any
      observers.

  TT_OUT
      The argument is written by the handler and read by the sender and any
      reply observers.

  TT_INOUT
      The argument is written by the sender and the handler and read by all.

  The vtype argument describes the type of argument data being added. The
  type ALL matches any argument value type. The value argument is the value
  to fill in. This value must be an unsigned character string. A NULL matches
  any value.

RETURN VALUE
  Upon successful completion, the tt_pattern_arg_add function returns the
  status of the operation as one of the following Tt_status values:

  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
  tt_c.h(5), tt_pattern_register(3), tt_pattern_barg_add(3),
  tt_pattern_iarg_add(3)

Index for Section 3

Alphabetical listing for T

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