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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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