usr/src/lib/libc/stdio/rewind.c

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Chris Torek.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rewind.c    5.6 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <errno.h>
#include <stdio.h>

void
rewind(fp)
        register FILE *fp;
{
        (void) fseek(fp, 0L, SEEK_SET);
        clearerr(fp);
        errno = 0;      /* not required, but seems reasonable */
}