NAME

biosize - returns size of a buffer structure

SYNOPSIS

#include <sys/ddi.h>

#include <sys/sunddi.h>

size_t biosize(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 bionit(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