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tt_message_context_bval(3)
CDE


NAME
  tt_message_context_bval - retrieve the byte-array value and length of a
  message's context

SYNOPSIS
  #include <Tt/tt_c.h>
  Tt_status tt_message_context_bval(Tt_message m,
				    const char *slotname,
				    unsigned char **value,
				    int *len);

DESCRIPTION
  The tt_message_context_bval function retrieves the byte-array value and
  length of a message's context.

  If there is no context slot associated with slotname,
  tt_message_context_bval returns zero in slotname and zero in len.

  The m argument is the opaque handle for the message involved in this
  operation.  The slotname argument describes the context of this message.
  The value argument points to the location to return the value.  The len
  argument is the length of the value in bytes.

RETURN VALUE
  Upon successful completion, the tt_message_context_bval function returns
  the status of the operation as one of the following Tt_status values: The
  operation completed successfully.
  The ttsession1 process is not running and the ToolTalk service cannot
  restart it.
  The pointer passed does not point to an object of the correct type for this
  operation.
  The specified slotname is syntactically invalid.

SEE ALSO
  Tt/tt_c.h5.