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extern.h revision 1.20 
      1 /*	$NetBSD: extern.h,v 1.20 2012/09/12 02:00:53 manu 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 __BEGIN_DECLS
     31 extern char *__minbrk;
     32 int __getcwd(char *, size_t);
     33 int __getlogin(char *, size_t);
     34 int __setlogin(const char *);
     35 void _resumecontext(void) __dead;
     36 const char *__strerror(int , char *, size_t);
     37 const char *__strsignal(int , char *, size_t);
     38 char *__dtoa(double, int, int, int *, int *, char **);
     39 void __freedtoa(char *);
     40 int __sysctl(const int *, unsigned int, void *, size_t *, const void *, size_t);
     41 
     42 struct sigaction;
     43 int __sigaction_sigtramp(int, const struct sigaction *,
     44     struct sigaction *, const void *, int);
     45 
     46 #ifdef WIDE_DOUBLE
     47 char *__hdtoa(double, const char *, int, int *, int *, char **);
     48 char *__hldtoa(long double, const char *, int, int *, int *,  char **);
     49 char *__ldtoa(long double *, int, int, int *, int *, char **);
     50 #endif
     51 
     52 struct syslog_data;
     53 void	syslog_ss(int, struct syslog_data *, const char *, ...)
     54     __attribute__((__format__(__printf__,3,4)));
     55 void	vsyslog_ss(int, struct syslog_data *, const char *, va_list);
     56 void    vsyslog_ss(int, struct syslog_data *, const char *, va_list)
     57     __attribute__((__format__(__printf__,3,0)));
     58 void	syslogp_ss(int, struct syslog_data *, const char *, const char *,
     59     const char *, ...) __attribute__((__format__(__printf__,5,0)));
     60 void	vsyslogp_ss(int, struct syslog_data *, const char *, const char *,
     61     const char *, va_list) __attribute__((__format__(__printf__,5,0)));
     62 
     63 int	snprintf_ss(char * __restrict, size_t, const char * __restrict, ...)
     64     __attribute__((__format__(__printf__, 3, 4)));
     65 int	vsnprintf_ss(char * __restrict, size_t, const char * __restrict,
     66     va_list) __attribute__((__format__(__printf__, 3, 0)));
     67 
     68 void	_malloc_prefork(void);
     69 void	_malloc_postfork(void);
     70 
     71 int	_sys_setcontext(const ucontext_t *);
     72 
     73 __END_DECLS
     74