* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid
[] = "@(#)setbuf.c 5.2 (Berkeley) %G%";
#endif LIBC_SCCS and not lint
if (iop
->_base
!= NULL
&& iop
->_flag
&_IOMYBUF
)
iop
->_flag
&= ~(_IOMYBUF
|_IONBF
|_IOLBF
);
if ((iop
->_base
= buf
) == NULL
) {