free_rtn(9S)

NAME

     free_rtn - structure  that  specifies  a  driver's  message-
     freeing routine

SYNOPSIS

     #include <sys/stream.h>

INTERFACE LEVEL

     Architecture independent level 1 (DDI/DKI).

DESCRIPTION

     The  free_rtn structure is referenced by the   datab  struc-
     ture.  When   freeb(9F)  is  called to free the message, the
     driver's message-freeing  routine  (referenced  through  the
     free_rtn  structure)  is called, with arguments, to free the
     data buffer.

STRUCTURE MEMBERS

     void     (*free_func)()      /* user's freeing routine */
     char     *free_arg           /* arguments to free_func() */

     The  free_rtn structure is defined as type  frtn_t.

SEE ALSO

     esballoc(9F), freeb(9F), datab(9S)

     STREAMS Programming Guide