lib/libc/include/extern.h

   1 /*      $NetBSD: extern.h,v 1.21 2012/10/11 17:09:56 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 #ifdef __minix
  28 #include <sys/types.h>
  29 #endif
  30 #include <stdarg.h>
  31 #include <ucontext.h>
  32
  33 __BEGIN_DECLS
  34 extern char *__minbrk;
  35 int __getcwd(char *, size_t);
  36 int __getlogin(char *, size_t);
  37 int __setlogin(const char *);
  38 void _resumecontext(void) __dead;
  39 const char *__strerror(int , char *, size_t);
  40 const char *__strsignal(int , char *, size_t);
  41 char *__dtoa(double, int, int, int *, int *, char **);
  42 void __freedtoa(char *);
  43 int __sysctl(const int *, unsigned int, void *, size_t *, const void *, size_t);
  44
  45 struct sigaction;
  46 int __sigaction_sigtramp(int, const struct sigaction *,
  47     struct sigaction *, const void *, int);
  48
  49 #ifdef WIDE_DOUBLE
  50 char *__hdtoa(double, const char *, int, int *, int *, char **);
  51 char *__hldtoa(long double, const char *, int, int *, int *,  char **);
  52 char *__ldtoa(long double *, int, int, int *, int *, char **);
  53 #endif
  54
  55 #ifndef __LIBC12_SOURCE__
  56 struct syslog_data;
  57 void    syslog_ss(int, struct syslog_data *, const char *, ...)
  58     __RENAME(__syslog_ss60) __printflike(3, 4);
  59 void    vsyslog_ss(int, struct syslog_data *, const char *, va_list)
  60     __RENAME(__vsyslog_ss60) __printflike(3, 0);
  61 void    syslogp_ss(int, struct syslog_data *, const char *, const char *,
  62     const char *, ...) __RENAME(__syslogp_ss60) __printflike(5, 0);
  63 void    vsyslogp_ss(int, struct syslog_data *, const char *, const char *,
  64     const char *, va_list) __RENAME(__vsyslogp_ss60) __printflike(5, 0);
  65 #endif
  66
  67 int     snprintf_ss(char * __restrict, size_t, const char * __restrict, ...)
  68     __printflike(3, 4);
  69 int     vsnprintf_ss(char * __restrict, size_t, const char * __restrict,
  70     va_list) __printflike(3, 0);
  71
  72 void    _malloc_prefork(void);
  73 void    _malloc_postfork(void);
  74
  75 int     _sys_setcontext(const ucontext_t *);
  76
  77 __END_DECLS