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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);
- }
-