tt_message_context_bval(library call) tt_message_context_bval(library call)




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

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

 DESCRIPTION    [Toc]    [Back]
      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    [Toc]    [Back]
      Upon successful completion, the tt_message_context_bval 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.

      TT_ERR_SLOTNAME
                The specified slotname is syntactically invalid.

 SEE ALSO    [Toc]    [Back]
      Tt/tt_c.h - Tttt_c(5).


                                    - 1 -       Formatted:  January 24, 2005