'\" te
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.TH BIOSIZE 9F "Nov 20, 1996"
.SH NAME
biosize \- returns size of a buffer structure
.SH SYNOPSIS
.nf
#include <sys/ddi.h>
#include <sys/sunddi.h>

\fBsize_t\fR \fBbiosize\fR(void)
.fi

.SH INTERFACE LEVEL
illumos DDI specific (illumos DDI).
.SH DESCRIPTION
The  \fBbiosize()\fR function returns the size in bytes of the \fBbuf\fR(9S)
structure. The  \fBbiosize()\fR function is used by drivers in combination with
\fBkmem_alloc\fR(9F) and \fBbioinit\fR(9F) to allocate buffer structures
embedded in other data structures.
.SH CONTEXT
The \fBbiosize()\fR function can be called from any context.
.SH SEE ALSO
\fBbiofini\fR(9F), \fBbioinit\fR(9F), \fBgetrbuf\fR(9F), \fBkmem_alloc\fR(9F),
\fBbuf\fR(9S)
.sp
.LP
\fIWriting Device Drivers\fR