Content-type: text/html Man page of clrbuf

clrbuf

Section: Kernel Functions for Drivers (9F)
Updated: 16 Jan 2006
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NAME

clrbuf - erase the contents of a buffer  

SYNOPSIS

#include <sys/types.h>
#include <sys/buf.h>

void clrbuf(struct buf *bp);  

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).  

PARAMETERS

bp Pointer to the buf(9S) structure.

 

DESCRIPTION

The clrbuf() function zeros a buffer and sets the b_resid member of the buf(9S) structure to 0. Zeros are placed in the buffer starting at bp→b_un.b_addr for a length of bp→b_bcount bytes. b_un.b_addr and b_bcount are members of the buf(9S) data structure.  

CONTEXT

The clrbuf() function can be called from user, interrupt, or kernel context.  

SEE ALSO

getrbuf(9F), buf(9S)

Writing Device Drivers


 

Index

NAME
SYNOPSIS
INTERFACE LEVEL
PARAMETERS
DESCRIPTION
CONTEXT
SEE ALSO

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Time: 02:39:46 GMT, October 02, 2010