BIOSIZE(9F) Kernel Functions for Drivers BIOSIZE(9F)

NAME

biosize - returns size of a buffer structure

SYNOPSIS

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

size_t biosize(void)

INTERFACE LEVEL

illumos DDI specific (illumos 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 structures.

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

November 20, 1996 BIOSIZE(9F)