/*- * 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. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * *	@(#)local.h	5.3 (Berkeley) 5/6/93 *//* * Information local to this implementation of stdio, * in particular, macros and private variables. */int	__sflush __P((FILE *));FILE	*__sfp __P((void));int	__srefill __P((FILE *));int	__sread __P((void *, char *, int));int	__swrite __P((void *, char const *, int));fpos_t	__sseek __P((void *, fpos_t, int));int	__sclose __P((void *));void	__sinit __P((void));void	_cleanup __P((void));void	(*__cleanup) __P((void));void	__smakebuf __P((FILE *));int	__swhatbuf __P((FILE *, size_t *, int *));int	_fwalk __P((int (*)(FILE *)));int	__swsetup __P((FILE *));int	__sflags __P((const char *, int *));extern int __sdidinit;/* * Return true iff the given FILE cannot be written now. */#define	cantwrite(fp) \	((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \	 __swsetup(fp))/* * Test whether the given stdio file has an active ungetc buffer; * release such a buffer, without restoring ordinary unread data. */#define	HASUB(fp) ((fp)->_ub._base != NULL)#define	FREEUB(fp) { \	if ((fp)->_ub._base != (fp)->_ubuf) \		free((char *)(fp)->_ub._base); \	(fp)->_ub._base = NULL; \}/* * test for an fgetline() buffer. */#define	HASLB(fp) ((fp)->_lb._base != NULL)#define	FREELB(fp) { \	free((char *)(fp)->_lb._base); \	(fp)->_lb._base = NULL; \}