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BSD 4.3

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rew.c	5.2 (Berkeley) 3/9/86";
#endif LIBC_SCCS and not lint

#include	<stdio.h>

rewind(iop)
register FILE *iop;
{
	fflush(iop);
	lseek(fileno(iop), 0L, 0);
	iop->_cnt = 0;
	iop->_ptr = iop->_base;
	iop->_flag &= ~(_IOERR|_IOEOF);
	if (iop->_flag & _IORW)
		iop->_flag &= ~(_IOREAD|_IOWRT);
}

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