clrbuf(9F) Kernel Functions for Drivers clrbuf(9F)
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
SunOS 5.11 16 Jan 2006 clrbuf(9F)
