NAME    [Toc]    [Back]

       getnewbuf - General: Allocates a buf structure

SYNOPSIS    [Toc]    [Back]

       struct buf * getnewbuf(
               void );

ARGUMENTS    [Toc]    [Back]

       None

DESCRIPTION    [Toc]    [Back]

       The  getnewbuf  routine allocates a buf structure for performing
 I/O operations. This routine guarantees  that  the
       members of the structure are properly initialized prior to
       initiating the I/O request. Device drivers call this  routine
 prior to calling

       physio, which performs the I/O operation.

RETURN VALUES    [Toc]    [Back]

       Upon successful completion, getnewbuf returns a pointer to
       the allocated buf structure.  On  failure,  it  returns  a
       NULL pointer.



                                                    getnewbuf(9r)