1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without

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25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)local.h 8.3 (Berkeley) 7/3/94
33 * $FreeBSD: head/lib/libc/stdio/local.h 178287 2008-04-17 22:17:54Z jhb $
34 */
35
36#include <sys/types.h> /* for off_t */
37#include <pthread.h>
38#include <string.h>
39#include <wchar.h>
40
41/*
42 * Information local to this implementation of stdio,
43 * in particular, macros and private variables.
44 */
45
46extern int _sread(FILE *, char *, int);
47extern int _swrite(FILE *, char const *, int);
48extern fpos_t _sseek(FILE *, fpos_t, int);
49extern int _ftello(FILE *, fpos_t *);
50extern int _fseeko(FILE *, off_t, int, int);
51extern int __fflush(FILE *fp);
52extern void __fcloseall(void);
53extern wint_t __fgetwc(FILE *);
54extern wint_t __fputwc(wchar_t, FILE *);
55extern int __sflush(FILE *);
56extern FILE *__sfp(void);
57extern int __slbexpand(FILE *, size_t);
58extern int __srefill(FILE *);
59extern int __sread(void *, char *, int);
60extern int __swrite(void *, char const *, int);
61extern fpos_t __sseek(void *, fpos_t, int);
62extern int __sclose(void *);
63extern void __sinit(void);
64extern void _cleanup(void);
65extern void __smakebuf(FILE *);
66extern int __swhatbuf(FILE *, size_t *, int *);
67extern int _fwalk(int (*)(FILE *));

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76extern int __vfwscanf(FILE * __restrict, const wchar_t * __restrict,
77 __va_list);
78extern size_t __fread(void * __restrict buf, size_t size, size_t count,
79 FILE * __restrict fp);
80extern int __sdidinit;
81
82
83/*
84 * Prepare the given FILE for writing, and return 0 iff it
85 * can be written now. Otherwise, return EOF and set errno.
86 */
87#define prepwrite(fp) \
88 ((((fp)->_flags & __SWR) == 0 || \
89 ((fp)->_bf._base == NULL && ((fp)->_flags & __SSTR) == 0)) && \
90 __swsetup(fp))
91

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