clrbuf man page on SmartOS

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CLRBUF(9F)							    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

				 Jan 16, 2006			    CLRBUF(9F)
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