xref: /netbsd-src/lib/libc/include/extern.h (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: extern.h,v 1.17 2009/10/21 01:07:45 snj 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 __BEGIN_DECLS
28 extern char *__minbrk;
29 int __getcwd(char *, size_t);
30 int __getlogin(char *, size_t);
31 int __setlogin(const char *);
32 void _resumecontext(void);
33 const char *__strerror(int , char *, size_t);
34 const char *__strsignal(int , char *, size_t);
35 char *__dtoa(double, int, int, int *, int *, char **);
36 void __freedtoa(char *);
37 int __sysctl(const int *, unsigned int, void *, size_t *, const void *, size_t);
38 
39 struct sigaction;
40 int __sigaction_sigtramp(int, const struct sigaction *,
41     struct sigaction *, const void *, int);
42 
43 #ifdef WIDE_DOUBLE
44 char *__hdtoa(double, const char *, int, int *, int *, char **);
45 char *__hldtoa(long double, const char *, int, int *, int *,  char **);
46 char *__ldtoa(long double *, int, int, int *, int *, char **);
47 #endif
48 
49 struct syslog_data;
50 void	syslog_ss(int, struct syslog_data *, const char *, ...)
51     __attribute__((__format__(__printf__,3,4)));
52 void	vsyslog_ss(int, struct syslog_data *, const char *, _BSD_VA_LIST_);
53 void    vsyslog_ss(int, struct syslog_data *, const char *, _BSD_VA_LIST_)
54     __attribute__((__format__(__printf__,3,0)));
55 void	syslogp_ss(int, struct syslog_data *, const char *, const char *,
56     const char *, ...) __attribute__((__format__(__printf__,5,0)));
57 void	vsyslogp_ss(int, struct syslog_data *, const char *, const char *,
58     const char *, _BSD_VA_LIST_) __attribute__((__format__(__printf__,5,0)));
59 
60 int	snprintf_ss(char * __restrict, size_t, const char * __restrict, ...)
61     __attribute__((__format__(__printf__, 3, 4)));
62 int	vsnprintf_ss(char * __restrict, size_t, const char * __restrict,
63     _BSD_VA_LIST_) __attribute__((__format__(__printf__, 3, 0)));
64 
65 void	_malloc_prefork(void);
66 void	_malloc_postfork(void);
67 
68 __END_DECLS
69