include/unistd.h

   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. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)unistd.h    8.12 (Berkeley) 4/27/95
  34  * $FreeBSD: src/include/unistd.h,v 1.35.2.10 2002/04/15 12:52:28 nectar Exp $
  35  * $DragonFly: src/include/unistd.h,v 1.18 2007/01/08 21:41:50 dillon Exp $
  36  */
  37
  38 #ifndef _UNISTD_H_
  39 #define _UNISTD_H_
  40
  41 #include <sys/cdefs.h>
  42 #include <sys/types.h>
  43 #include <sys/unistd.h>
  44
  45 #define STDIN_FILENO    0       /* standard input file descriptor */
  46 #define STDOUT_FILENO   1       /* standard output file descriptor */
  47 #define STDERR_FILENO   2       /* standard error file descriptor */
  48
  49 #ifndef NULL
  50 #define NULL            0       /* null pointer constant */
  51 #endif
  52
  53 #ifndef _POSIX_SOURCE
  54 #define F_ULOCK         0       /* unlock locked section */
  55 #define F_LOCK          1       /* lock a section for exclusive use */
  56 #define F_TLOCK         2       /* test and lock a section for exclusive use */
  57 #define F_TEST          3       /* test a section for locks by other procs */
  58 #endif
  59
  60 struct iovec;
  61
  62 __BEGIN_DECLS
  63 void     _exit(int) __dead2;
  64 int      access(const char *, int);
  65 unsigned int     alarm(unsigned int);
  66 int      chdir(const char *);
  67 int      chown(const char *, uid_t, gid_t);
  68 int      close(int);
  69 int      dup(int);
  70 int      dup2(int, int);
  71 int      execl(const char *, const char *, ...);
  72 int      execle(const char *, const char *, ...);
  73 int      execlp(const char *, const char *, ...);
  74 int      execv(const char *, char * const *);
  75 int      execve(const char *, char * const *, char * const *);
  76 int      execvp(const char *, char * const *);
  77 pid_t    fork(void);
  78 long     fpathconf(int, int);
  79 char    *getcwd(char *, size_t);
  80 gid_t    getegid(void);
  81 uid_t    geteuid(void);
  82 gid_t    getgid(void);
  83 int      getgroups(int, gid_t []);
  84 char    *getlogin(void);
  85 pid_t    getpgrp(void);
  86 pid_t    getpid(void);
  87 pid_t    getppid(void);
  88 uid_t    getuid(void);
  89 int      isatty(int);
  90 int      link(const char *, const char *);
  91 #ifndef _LSEEK_DECLARED
  92 #define _LSEEK_DECLARED
  93 off_t    lseek(int, off_t, int);
  94 #endif
  95 long     pathconf(const char *, int);
  96 int      pause(void);
  97 int      pipe(int *);
  98 ssize_t  read(int, void *, size_t);
  99 int      rmdir(const char *);
 100 int      setgid(gid_t);
 101 int      setpgid(pid_t, pid_t);
 102 void     setproctitle(const char *, ...) __printf0like(1, 2);
 103 pid_t    setsid(void);
 104 int      setuid(uid_t);
 105 unsigned int     sleep(unsigned int);
 106 long     sysconf(int);
 107 pid_t    tcgetpgrp(int);
 108 int      tcsetpgrp(int, pid_t);
 109 char    *ttyname(int);
 110 char    *ttyname_r(int, char *, size_t);
 111 int      unlink(const char *);
 112 ssize_t  write(int, const void *, size_t);
 113
 114 extern char *optarg;                    /* getopt(3) external variables */
 115 extern int optind, opterr, optopt;
 116 int      getopt(int, char * const [], const char *);
 117
 118 #ifndef _POSIX_SOURCE
 119 int      acct(const char *);
 120 int      async_daemon (void);
 121 int      brk(const void *);
 122 int      chroot(const char *);
 123 int      closefrom(int);
 124 size_t   confstr(int, char *, size_t);
 125 char    *crypt(const char *, const char *);
 126 const char *crypt_get_format(void);
 127 int      crypt_set_format(const char *);
 128 void     endusershell(void);
 129 int      exect(const char *, char * const *, char * const *);
 130 int      fchdir(int);
 131 int      fchown(int, uid_t, gid_t);
 132 char    *fflagstostr(u_long);
 133 int      fsync(int);
 134 #ifndef _FTRUNCATE_DECLARED
 135 #define _FTRUNCATE_DECLARED
 136 int      ftruncate(int, off_t);
 137 #endif
 138 int      getdomainname(char *, int);
 139 int      getdtablesize(void);
 140 int      getgrouplist(const char *, gid_t, gid_t *, int *);
 141 long     gethostid(void);
 142 int      gethostname(char *, int);
 143 int      getlogin_r(char *, int);
 144 mode_t   getmode(const void *, mode_t);
 145 int      getpagesize(void) __pure2;
 146 char    *getpass(const char *);
 147 int      getpeereid(int, uid_t *, gid_t *);
 148 int      getpgid(pid_t _pid);
 149 int      getresgid(gid_t *, gid_t *, gid_t *);
 150 int      getresuid(uid_t *, uid_t *, uid_t *);
 151 int      getsid(pid_t _pid);
 152 char    *getusershell(void);
 153 char    *getwd(char *);                         /* obsoleted by getcwd() */
 154 int      initgroups(const char *, int);
 155 int      iruserok(unsigned long, int, const char *, const char *);
 156 int      iruserok_sa(const void *, int, int, const char *, const char *);
 157 int      issetugid(void);
 158 int      lchown(const char *, uid_t, gid_t);
 159 int      lockf(int, int, off_t);
 160 char    *mkdtemp(char *);
 161 int      mknod(const char *, mode_t, dev_t);
 162 int      mkstemp(char *);
 163 int      mkstemps(char *, int);
 164 char    *mktemp(char *);
 165 int      nfssvc(int, void *);
 166 int      nice(int);
 167 ssize_t  pread(int, void *, size_t, off_t);
 168 ssize_t  extpread(int, void *, size_t, int, off_t);
 169 ssize_t  extpreadv(int, const struct iovec *, u_int, int, off_t);
 170 int      profil(char *, size_t, vm_offset_t, int);
 171 ssize_t  pwrite(int, const void *, size_t, off_t);
 172 ssize_t  extpwrite(int, const void *, size_t, int, off_t);
 173 ssize_t  extpwritev(int, const struct iovec *, u_int, int, off_t);
 174 int      rcmd(char **, int, const char *, const char *, const char *, int *);
 175 int      rcmd_af(char **, int, const char *, const char *, const char *, int *,
 176                  int);
 177 int      rcmdsh(char **, int, const char *, const char *, const char *,
 178                 const char *);
 179 char    *re_comp(const char *);
 180 int      re_exec(const char *);
 181 int      readlink(const char *, char *, int);
 182 int      reboot(int);
 183 int      revoke(const char *);
 184 pid_t    rfork(int);
 185 pid_t    rfork_thread(int, void *, int (*) (void *), void *);
 186 int      rresvport(int *);
 187 int      rresvport_af(int *, int);
 188 int      ruserok(const char *, int, const char *, const char *);
 189 void    *sbrk(intptr_t);
 190 #ifndef _SELECT_DECLARED        /* bleh BSD compatibility */
 191 #define _SELECT_DECLARED
 192 struct timeval;                         /* select(2) */
 193 int      select(int, fd_set * __restrict, fd_set * __restrict,
 194                 fd_set * __restrict, struct timeval * __restrict);
 195 #endif
 196 int      setdomainname(const char *, int);
 197 int      setegid(gid_t);
 198 int      seteuid(uid_t);
 199 int      setgroups(int, const gid_t *);
 200 void     sethostid(long);
 201 int      sethostname(const char *, int);
 202 int      setlogin(const char *);
 203 void    *setmode(const char *);
 204 int      setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
 205 int      setregid(gid_t, gid_t);
 206 int      setresgid(gid_t, gid_t, gid_t);
 207 int      setresuid(uid_t, uid_t, uid_t);
 208 int      setreuid(uid_t, uid_t);
 209 int      setrgid(gid_t);
 210 int      setruid(uid_t);
 211 void     setusershell(void);
 212 int      strtofflags(char **, u_long *, u_long *);
 213 int      swapon(const char *);
 214 int      symlink(const char *, const char *);
 215 void     sync(void);
 216 int      syscall(int, ...);
 217 off_t    __syscall(quad_t, ...);
 218 #ifndef _TRUNCATE_DECLARED
 219 #define _TRUNCATE_DECLARED
 220 int      truncate(const char *, off_t);
 221 #endif
 222 int      ttyslot(void);
 223 unsigned int     ualarm(unsigned int, unsigned int);
 224 int      umtx_sleep(volatile const int *, int , int);
 225 int      umtx_wakeup(volatile const int *, int);
 226 int      undelete(const char *);
 227 int      unwhiteout(const char *);
 228 int      usleep(unsigned int);
 229 void    *valloc(size_t);                        /* obsoleted by malloc() */
 230 pid_t    vfork(void);
 231 int      varsym_set(int, const char *, const char *);
 232 int      varsym_get(int, const char *, char *, int);
 233 int      varsym_list(int, char *, int, int *);
 234
 235 extern char *suboptarg;                 /* getsubopt(3) external variable */
 236 int      getsubopt(char **, char * const *, char **);
 237 #endif /* !_POSIX_SOURCE */
 238 extern int optreset;                    /* getopt(3) external variable */
 239 __END_DECLS
 240
 241 #endif /* !_UNISTD_H_ */