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clrbuf(9f)

clrbuf(9F)                     Kernel Functions                     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 in Oracle Solaris 11.4



Oracle Solaris 11.4               16 Jan 2006                       clrbuf(9F)
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