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free_rtn(9s)

Kernel & Driver Data Structures                                   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 structure. 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



Oracle Solaris 11.4               13 Nov 1996                     free_rtn(9S)
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