biosize(9F)

NAME

     biosize - returns size of a buffer structure

SYNOPSIS

     #include <sys/ddi.h>
     #include <sys/sunddi.h>

     size_tbiosize(void);

INTERFACE LEVEL

     Solaris DDI specific (Solaris DDI).

DESCRIPTION

     The  biosize() function returns the size  in  bytes  of  the
     buf(9S)  structure.  The   biosize()  function  is  used  by
     drivers in combination with kmem_alloc(9F)  and  bioinit(9F)
     to  allocate buffer structures embedded in other data struc-
     tures.

CONTEXT

     The biosize() function can be called from any context.

SEE ALSO

     biofini(9F),   bioinit(9F),   getrbuf(9F),   kmem_alloc(9F),
     buf(9S)

     Writing Device Drivers