extern.h revision 1.29 
1/*	$NetBSD: extern.h,v 1.29 2024/01/19 19:31:41 christos Exp $	*/
2
3/*
4 * Copyright (c) 1997 Christos Zoulas.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <stdarg.h>
28#include <ucontext.h>
29
30#ifndef __LOCALE_T_DECLARED
31typedef struct _locale		*locale_t;
32#define __LOCALE_T_DECLARED
33#endif /* __LOCALE_T_DECLARED */
34
35__BEGIN_DECLS
36extern char *__minbrk;
37extern sigset_t __sigintr;
38extern char **environ;
39int __getcwd(char *, size_t);
40int __getlogin(char *, size_t);
41int __setlogin(const char *);
42int __posix_fadvise50(int, int, __off_t, __off_t, int);
43void  __section(".text.startup") __attribute__((__visibility__("hidden")))
44    __libc_atomic_init(void);
45void _resumecontext(void) __dead;
46__dso_hidden int	_strerror_lr(int, char *, size_t, locale_t);
47const char *__strerror(int , char *, size_t);
48const char *__strsignal(int , char *, size_t);
49char *__dtoa(double, int, int, int *, int *, char **);
50void __freedtoa(char *);
51int __sysctl(const int *, unsigned int, void *, size_t *, const void *, size_t);
52
53struct sigaction;
54int __sigaction_sigtramp(int, const struct sigaction *,
55    struct sigaction *, const void *, int);
56
57/* is "long double" and "double" different? */
58#if (__LDBL_MANT_DIG__ != __DBL_MANT_DIG__) || \
59    (__LDBL_MAX_EXP__ != __DBL_MAX_EXP__)
60#define WIDE_DOUBLE
61#endif
62
63#ifdef WIDE_DOUBLE
64char *__hldtoa(long double, const char *, int, int *, int *,  char **);
65char *__ldtoa(long double *, int, int, int *, int *, char **);
66#endif
67char *__hdtoa(double, const char *, int, int *, int *, char **);
68
69#ifndef __LIBC12_SOURCE__
70struct syslog_data;
71void	syslog_ss(int, struct syslog_data *, const char *, ...)
72    __RENAME(__syslog_ss60) __printflike(3, 4);
73void    vsyslog_ss(int, struct syslog_data *, const char *, va_list)
74    __RENAME(__vsyslog_ss60) __printflike(3, 0);
75void	syslogp_ss(int, struct syslog_data *, const char *, const char *,
76    const char *, ...) __RENAME(__syslogp_ss60) __printflike(5, 0);
77void	vsyslogp_ss(int, struct syslog_data *, const char *, const char *,
78    const char *, va_list) __RENAME(__vsyslogp_ss60) __printflike(5, 0);
79#endif
80
81void	_malloc_prefork(void);
82void	_malloc_postfork(void);
83void	_malloc_postfork_child(void);
84
85int	_sys_setcontext(const ucontext_t *);
86
87int	strerror_r_ss(int, char *, size_t);
88__aconst char *strerror_ss(int);
89
90__END_DECLS
91