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/*-
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 * Copyright (c) 1990, 1993
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 *        The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Chris Torek.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *        @(#)local.h        8.3 (Berkeley) 7/3/94
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 */
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#include <sys/cdefs.h>
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/*
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 * Information local to this implementation of stdio,
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 * in particular, macros and private variables.
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 */
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__BEGIN_DECLS
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int        __sflush(FILE *);
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FILE        *__sfp(void);
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int        __srefill(FILE *);
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int        __sread(FILE *, char *, int);
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int        __swrite(FILE *, char const *, int);
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fpos_t        __sseek(FILE *, fpos_t, int);
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int        __sclose(FILE *);
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void        __sinit(void);
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void        _cleanup(void);
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void        (*__cleanup)(void);
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void        __smakebuf(FILE *);
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int        _fwalk(int (*)(FILE *));
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int        __swsetup(FILE *);
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int        __sflags(const char *, int *);
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int        __sdidinit;
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__END_DECLS
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/*
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 * Return true iff the given FILE cannot be written now.
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 */
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#define        cantwrite(fp) \
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        ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
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         __swsetup(fp))
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/*
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 * Test whether the given stdio file has an active ungetc buffer;
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 * release such a buffer, without restoring ordinary unread data.
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 */
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#define        HASUB(fp) ((fp)->_ub._base != NULL)
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#define        FREEUB(fp) { \
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        (fp)->_ub._base = NULL; \
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}