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   1 /*-
   2  * Copyright (c) 1991, 1993, 1994
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      @(#)unistd.h    8.12 (Berkeley) 4/27/95
  30  */
  32 #ifndef _UNISTD_H_
  33 #define _UNISTD_H_
  35 #include <sys/cdefs.h>
  36 #include <sys/types.h>
  38 #define  STDIN_FILENO   0       /* standard input file descriptor */
  39 #define STDOUT_FILENO   1       /* standard output file descriptor */
  40 #define STDERR_FILENO   2       /* standard error file descriptor */
  42 #ifndef NULL
  43 #define NULL            0       /* null pointer constant */
  44 #endif
__BEGIN_DECLS
  47 int      access(const char *, int);
  48 unsigned int     alarm(unsigned int);
  49 int      chdir(const char *);
  50 int      chown(const char *, uid_t, gid_t);
  51 int      close(int);
size_t   confstr(int, char *, size_t);
  53 int      dup(int);
  54 int      dup2(int, int);
  55 int      execl(const char *, const char *, ...);
  56 int      execle(const char *, const char *, ...);
  57 int      execlp(const char *, const char *, ...);
  58 int      execv(const char *, char * const *);
  59 int      execve(const char *, char * const *, char * const *);
  60 int      execvp(const char *, char * const *);
  61 void    _exit(int) __noreturn;
  62 /* pid_t         fork(void); */
pid_t    vfork(void);
  64 /* long  fpathconf(int, int); */
  65 char    *getcwd(char *, size_t);
gid_t    getegid(void);
uid_t    geteuid(void);
gid_t    getgid(void);
  69 /* int   getgroups(int, gid_t []); */
  70 /* char *getlogin(void); */
pid_t    getpgrp(void);
pid_t    getpid(void);
pid_t    getppid(void);
uid_t    getuid(void);
  75 int      isatty(int);
  76 int      link(const char *, const char *);
off_t    lseek(int, off_t, int);
  78 /* long  pathconf(const char *, int); */
  79 int      pause(void);
  80 int      pipe(int *);
ssize_t  read(int, void *, size_t);
  82 int      rmdir(const char *);
  83 int      setgid(gid_t);
  84 int      setpgid(pid_t, pid_t);
pid_t    setsid(void);
  86 int      setuid(uid_t);
  87 unsigned int     sleep(unsigned int);
  88 /* long  sysconf(int); */
pid_t    tcgetpgrp(int);
  90 int      tcsetpgrp(int, pid_t);
  91 /* char *ttyname(int); */
  92 int      unlink(const char *);
ssize_t  write(int, const void *, size_t);
  95 int      getopt(int, char * const [], const char *);
  97 extern   char *optarg;                  /* getopt(3) external variables */
  98 extern   int opterr;
  99 extern   int optind;
 100 extern   int optopt;
 102 #ifndef _POSIX_SOURCE
 103 #ifdef  __STDC__
 104 struct timeval;                         /* select(2) */
 105 #endif
 106 /* char *brk(const char *); */
 107 /* int   chroot(const char *); */
 108 int      fchdir(int);
 109 /* int   fchown(int, int, int); */
 110 int      fsync(int);
 111 int      ftruncate(int, off_t);
 112 /* int   getdtablesize(void); */
 113 /* long  gethostid(void); */
 114 int      gethostname(char *, size_t);
 115 /* mode_t        getmode(const void *, mode_t); */
 116 int      getpagesize(void);
 117 char    *getpass(const char *);
pid_t    getpgid(pid_t);
 119 /* char *getusershell(void); */
 120 char    *getwd(char *);                 /* obsoleted by getcwd() */
 121 /* int   initgroups(const char *, int); */
 122 /* int   iruserok(unsigned long, int, const char *, const char *); */
 123 int      mknod(const char *, mode_t, dev_t);
 124 int      mkstemp(char *);
 125 char    *mktemp(char *);
 126 /* int   nfssvc(int, void *); */
 127 int      nice(int);
 128 void     psignal(unsigned int, const char *);
 129 extern const char *const sys_siglist[];
 130 /* int   readlink(const char *, char *, int); */
 131 /* int   reboot(int); */
 132 /* int   rresvport(int *); */
 133 /* int   ruserok(const char *, int, const char *, const char *); */
 134 /* char *sbrk(int); */
 135 /* int   select(int, fd_set *, fd_set *, fd_set *, struct timeval *); */
 136 int      setegid(gid_t);
 137 int      seteuid(uid_t);
 138 /* int   setgroups(int, const gid_t *); */
 139 /* void  sethostid(long); */
 140 int      sethostname(const char *, size_t);
 141 int      setpgrp(pid_t, pid_t); /* obsoleted by setpgid() */
 142 /* int   setregid(gid_t, gid_t); */
 143 /* int   setreuid(uid_t, uid_t); */
 144 /* int   setrgid(gid_t); */
 145 /* int   setruid(uid_t); */
 146 /* void  setusershell(void); */
 147 /* int   symlink(const char *, const char *); */
 148 void     sync(void);
 149 int      truncate(const char *, off_t);
 150 /* unsigned int  ualarm(unsigned int, unsigned int); */
 151 void     usleep(unsigned int);
pid_t    getsid(pid_t);
 153 void     strmode(mode_t, char *);
 155 extern char *suboptarg;                 /* getsubopt(3) external variable */
 156 int      getsubopt(char **, char * const *, char **);
 157 #endif /* !_POSIX_SOURCE */
 159 void     fslib_init(void);      /* used by Prex native task */
 160 void     fslib_exit(void);      /* used by Prex native task */
__END_DECLS
 163 /* configurable system strings */
 164 #define _CS_PATH                 1
 166 #endif /* !_UNISTD_H_ */