/*
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/*
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* Copyright (c) 1990 The Regents of the University of California.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms are permitted
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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*/
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/*
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/*
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FUNCTION
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FUNCTION
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<<rewind>>---reinitialize a file or stream
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<<rewind>>---reinitialize a file or stream
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INDEX
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INDEX
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rewind
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rewind
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INDEX
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INDEX
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_rewind_r
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_rewind_r
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ANSI_SYNOPSIS
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ANSI_SYNOPSIS
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#include <stdio.h>
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#include <stdio.h>
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void rewind(FILE *<[fp]>);
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void rewind(FILE *<[fp]>);
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void _rewind_r(struct _reent *<[ptr]>, FILE *<[fp]>);
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void _rewind_r(struct _reent *<[ptr]>, FILE *<[fp]>);
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TRAD_SYNOPSIS
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TRAD_SYNOPSIS
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#include <stdio.h>
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#include <stdio.h>
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void rewind(<[fp]>)
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void rewind(<[fp]>)
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FILE *<[fp]>;
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FILE *<[fp]>;
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void _rewind_r(<[ptr]>, <[fp]>)
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void _rewind_r(<[ptr]>, <[fp]>)
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struct _reent *<[ptr]>;
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struct _reent *<[ptr]>;
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FILE *<[fp]>;
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FILE *<[fp]>;
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DESCRIPTION
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DESCRIPTION
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<<rewind>> returns the file position indicator (if any) for the file
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<<rewind>> returns the file position indicator (if any) for the file
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or stream identified by <[fp]> to the beginning of the file. It also
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or stream identified by <[fp]> to the beginning of the file. It also
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clears any error indicator and flushes any pending output.
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clears any error indicator and flushes any pending output.
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RETURNS
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RETURNS
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<<rewind>> does not return a result.
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<<rewind>> does not return a result.
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PORTABILITY
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PORTABILITY
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ANSI C requires <<rewind>>.
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ANSI C requires <<rewind>>.
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No supporting OS subroutines are required.
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No supporting OS subroutines are required.
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*/
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "%W% (Berkeley) %G%";
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static char sccsid[] = "%W% (Berkeley) %G%";
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#endif /* LIBC_SCCS and not lint */
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#endif /* LIBC_SCCS and not lint */
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#include <_ansi.h>
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#include <_ansi.h>
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#include <reent.h>
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#include <reent.h>
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#include <stdio.h>
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#include <stdio.h>
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_VOID
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_VOID
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_DEFUN(_rewind_r, (ptr, fp),
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_DEFUN(_rewind_r, (ptr, fp),
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struct _reent * ptr _AND
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struct _reent * ptr _AND
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register FILE * fp)
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register FILE * fp)
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{
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{
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_CAST_VOID _fseek_r (ptr, fp, 0L, SEEK_SET);
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_CAST_VOID _fseek_r (ptr, fp, 0L, SEEK_SET);
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clearerr (fp);
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clearerr (fp);
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}
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}
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#ifndef _REENT_ONLY
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#ifndef _REENT_ONLY
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_VOID
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_VOID
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_DEFUN(rewind, (fp),
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_DEFUN(rewind, (fp),
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register FILE * fp)
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register FILE * fp)
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{
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{
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_rewind_r (_REENT, fp);
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_rewind_r (_REENT, fp);
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}
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}
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#endif /* !_REENT_ONLY */
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#endif /* !_REENT_ONLY */
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