brelse man page on DigitalUNIX

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brelse(9r)							    brelse(9r)

NAME
       brelse - General: Deallocates a buf structure

SYNOPSIS
       void brelse(
	       register struct buf *bp );

ARGUMENTS
       Specifies a pointer to a buf structure.	This structure contains infor‐
       mation such as the binary status flags, the major/minor device numbers,
       and  the address of the associated buffer. This buffer is always a spe‐
       cial buffer header owned exclusively by the  device  for	 handling  I/O
       requests.

DESCRIPTION
       The  brelse  routine  deallocates  a  buf structure that was previously
       allocated by the getnewbuf routine. The buf structure contains informa‐
       tion  describing an I/O request. Device drivers call the brelse routine
       after the I/O request has completed to free the memory used by the  buf
       structure.

RETURN VALUES
       None

SEE ALSO
       Routines: getnewbuf(9r)

       Data Structures: buf(9s)

								    brelse(9r)
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