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tt_message_arg_xval_set(3)


CDE


NAME

  tt_message_arg_xval_set - serialize and set data into an existing message
  argument


SYNOPSIS

  #include <Tt/tt_c.h>
  Tt_status tt_message_arg_xval_set(Tt_message m,
				    int n,
				    xdrproc_t xdr_proc,
				    void *value);


DESCRIPTION

  The tt_message_arg_xval_set function serializes and sets data into an
  existing 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 changed. The
  first argument is numbered zero. The xdr_proc argument causes
  tt_message_arg_xval_set to serialize the data pointed to by value and store
  it as a byte string value of the nth argument of the message. The value
  argument is the data to be serialized.


RETURN VALUE

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

  TT_OK
      The operation completed successfully.

  TT_ERR_MODE
      The specified Tt_mode is invalid.

  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.

  TT_ERR_NUM
      The integer value passed was invalid (out of range).

  TT_ERR_XDR
      The XDR procedure failed on the given data, or evaluated to a zero-
      length expression.


SEE ALSO

  Tttt_c(5)

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