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OS/2 Shareware BBS: 10 Tools
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LIBSRC.ZOO
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libsrc
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stdio
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rew.c
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1992-01-23
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/*
* Copyright (c) 1987 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rew.c 5.4 (Berkeley) 6/27/88";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <sys/file.h>
#include <stdio.h>
rewind(iop)
register FILE *iop;
{
off_t lseek();
(void)fflush(iop);
(void)lseek(fileno(iop), 0L, L_SET);
iop->_cnt = 0;
iop->_ptr = iop->_base;
iop->_flag &= ~(_IOERR|_IOEOF);
if (iop->_flag & _IORW)
iop->_flag &= ~(_IOREAD|_IOWRT);
}