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Annotation of src/include/unistd.h, Revision 1.54

1.54    ! millert     1: /*     $OpenBSD: unistd.h,v 1.53 2005/05/27 17:45:56 millert Exp $ */
1.6       deraadt     2: /*     $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $      */
1.1       deraadt     3:
                      4: /*-
                      5:  * Copyright (c) 1991 The Regents of the University of California.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
1.47      millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)unistd.h    5.13 (Berkeley) 6/17/91
                     33:  */
                     34:
                     35: #ifndef _UNISTD_H_
                     36: #define        _UNISTD_H_
                     37:
                     38: #include <sys/cdefs.h>
                     39: #include <sys/types.h>
                     40: #include <sys/unistd.h>
                     41:
                     42: #define        STDIN_FILENO    0       /* standard input file descriptor */
                     43: #define        STDOUT_FILENO   1       /* standard output file descriptor */
                     44: #define        STDERR_FILENO   2       /* standard error file descriptor */
                     45:
                     46: #ifndef NULL
1.26      espie      47: #ifdef         __GNUG__
1.27      espie      48: #define        NULL    __null
1.26      espie      49: #else
1.43      millert    50: #define        NULL    0L
1.26      espie      51: #endif
1.1       deraadt    52: #endif
                     53:
                     54: __BEGIN_DECLS
1.36      millert    55: __dead void     _exit(int);
                     56: int     access(const char *, int);
                     57: unsigned int alarm(unsigned int);
                     58: int     chdir(const char *);
                     59: int     chown(const char *, uid_t, gid_t);
                     60: int     close(int);
1.50      avsm       61: size_t  confstr(int, char *, size_t)
                     62:                __attribute__((__bounded__(__string__,2,3)));
1.36      millert    63: char   *cuserid(char *);
                     64: int     dup(int);
                     65: int     dup2(int, int);
1.40      espie      66: int     execl(const char *, const char *, ...)
                     67:            __attribute__((sentinel));
                     68: int     execle(const char *, const char *, ...)
                     69:            __attribute__((sentinel));
                     70: int     execlp(const char *, const char *, ...)
                     71:            __attribute__((sentinel));
1.36      millert    72: int     execv(const char *, char * const *);
                     73: int     execve(const char *, char * const *, char * const *);
                     74: int     execvp(const char *, char * const *);
                     75: pid_t   fork(void);
                     76: long    fpathconf(int, int);
1.50      avsm       77: char   *getcwd(char *, size_t)
                     78:                __attribute__((__bounded__(__string__,1,2)))
                     79:                __attribute__((__bounded__(__minbytes__,1,1024)));
1.36      millert    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);
1.50      avsm       85: int     getlogin_r(char *, size_t)
                     86:                __attribute__((__bounded__(__string__,1,2)))
                     87:                __attribute__((__bounded__(__minbytes__,1,32)));
1.36      millert    88: pid_t   getpgrp(void);
                     89: pid_t   getpid(void);
                     90: pid_t   getpgid(pid_t);
                     91: pid_t   getppid(void);
                     92: pid_t   getsid(pid_t);
                     93: uid_t   getuid(void);
                     94: int     isatty(int);
                     95: int     link(const char *, const char *);
                     96: off_t   lseek(int, off_t, int);
                     97: long    pathconf(const char *, int);
                     98: int     pause(void);
                     99: int     pipe(int *);
1.50      avsm      100: ssize_t         read(int, void *, size_t)
                    101:                __attribute__((__bounded__(__buffer__,2,3)));
1.36      millert   102: int     rmdir(const char *);
                    103: int     setgid(gid_t);
                    104: int     setpgid(pid_t, pid_t);
                    105: pid_t   setsid(void);
                    106: int     setuid(uid_t);
                    107: unsigned int sleep(unsigned int);
                    108: long    sysconf(int);
                    109: pid_t   tcgetpgrp(int);
                    110: int     tcsetpgrp(int, pid_t);
                    111: char   *ttyname(int);
1.50      avsm      112: int     ttyname_r(int, char *, size_t)
                    113:                __attribute__((__bounded__(__string__,2,3)));
1.36      millert   114: int     unlink(const char *);
1.50      avsm      115: ssize_t         write(int, const void *, size_t)
                    116:                __attribute__((__bounded__(__buffer__,2,3)));
1.1       deraadt   117:
                    118: #ifndef        _POSIX_SOURCE
                    119:
                    120: /* structure timeval required for select() */
                    121: #include <sys/time.h>
                    122:
1.31      deraadt   123: /*
                    124:  * X/Open CAE Specification Issue 5 Version 2
                    125:  */
                    126: #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
                    127:     (_XOPEN_VERSION - 0) >= 500
1.36      millert   128: ssize_t  pread(int, void *, size_t, off_t);
                    129: ssize_t  pwrite(int, const void *, size_t, off_t);
1.31      deraadt   130: #endif
                    131:
1.36      millert   132: int     acct(const char *);
1.54    ! millert   133: void   *brk(void *);
1.36      millert   134: int     chroot(const char *);
1.52      millert   135: #if !defined(_XOPEN_SOURCE)
                    136: int     closefrom(int);
                    137: #endif
1.36      millert   138: char   *crypt(const char *, const char *);
1.51      deraadt   139: int     des_cipher(const char *, char *, int32_t, int);
1.36      millert   140: int     des_setkey(const char *key);
                    141: int     encrypt(char *, int);
                    142: void    endusershell(void);
                    143: int     exect(const char *, char * const *, char * const *);
                    144: int     fchdir(int);
                    145: int     fchown(int, uid_t, gid_t);
                    146: char   *fflagstostr(u_int32_t);
                    147: int     fsync(int);
                    148: int     ftruncate(int, off_t);
1.50      avsm      149: int     getdomainname(char *, size_t)
                    150:                __attribute__ ((__bounded__(__string__,1,2)));
1.36      millert   151: int     getdtablesize(void);
                    152: int     getgrouplist(const char *, gid_t, gid_t *, int *);
                    153: long    gethostid(void);
1.50      avsm      154: int     gethostname(char *, size_t)
                    155:                __attribute__ ((__bounded__(__string__,1,2)));
1.36      millert   156: mode_t  getmode(const void *, mode_t);
                    157: int     getpagesize(void);
1.44      millert   158: int     getresgid(gid_t *, gid_t *, gid_t *);
                    159: int     getresuid(uid_t *, uid_t *, uid_t *);
1.36      millert   160: char   *getpass(const char *);
                    161: char   *getusershell(void);
1.50      avsm      162: char   *getwd(char *)
                    163:                __attribute__ ((__bounded__(__minbytes__,1,1024)));
1.36      millert   164: int     initgroups(const char *, gid_t);
                    165: int     iruserok(u_int32_t, int, const char *, const char *);
                    166: int     iruserok_sa(const void *, int, int, const char *, const char *);
                    167: int     lchown(const char *, uid_t, gid_t);
                    168: int     nfssvc(int, void *);
                    169: int     nice(int);
                    170: void    psignal(unsigned int, const char *);
1.1       deraadt   171: extern __const char *__const sys_siglist[];
1.50      avsm      172: int     profil(char *, size_t, unsigned long, unsigned int)
                    173:                __attribute__ ((__bounded__(__string__,1,2)));
1.37      millert   174: int     rcmd(char **, int, const char *,
                    175:            const char *, const char *, int *);
                    176: int     rcmd_af(char **, int, const char *,
                    177:            const char *, const char *, int *, int);
                    178: int     rcmdsh(char **, int, const char *,
                    179:            const char *, const char *, char *);
1.36      millert   180: char   *re_comp(const char *);
                    181: int     re_exec(const char *);
1.50      avsm      182: int     readlink(const char *, char *, size_t)
                    183:                __attribute__ ((__bounded__(__string__,2,3)));
1.36      millert   184: int     reboot(int);
                    185: int     revoke(const char *);
                    186: int     rfork(int opts);
                    187: int     rresvport(int *);
                    188: int     rresvport_af(int *, int);
                    189: int     ruserok(const char *, int, const char *, const char *);
                    190: int     quotactl(const char *, int, int, char *);
1.54    ! millert   191: void   *sbrk(int);
1.31      deraadt   192:
                    193: #if !defined(_XOPEN_SOURCE)
1.36      millert   194: int     select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
1.19      deraadt   195: #endif
1.31      deraadt   196:
1.36      millert   197: int     setdomainname(const char *, size_t);
                    198: int     setegid(gid_t);
                    199: int     seteuid(uid_t);
                    200: int     setgroups(int, const gid_t *);
                    201: int     sethostid(long);
                    202: int     sethostname(const char *, size_t);
                    203: int     setkey(const char *);
                    204: int     setlogin(const char *);
                    205: void   *setmode(const char *);
                    206: int     setpgrp(pid_t pid, pid_t pgrp);        /* obsoleted by setpgid() */
1.44      millert   207: int     setregid(gid_t, gid_t);
                    208: int     setresgid(gid_t, gid_t, gid_t);
                    209: int     setresuid(uid_t, uid_t, uid_t);
                    210: int     setreuid(uid_t, uid_t);
1.36      millert   211: int     setrgid(gid_t);
                    212: int     setruid(uid_t);
                    213: void    setusershell(void);
                    214: int     strtofflags(char **, u_int32_t *, u_int32_t *);
                    215: void    swab(const void *, void *, size_t);
                    216: int     swapctl(int cmd, const void *arg, int misc);
                    217: int     symlink(const char *, const char *);
                    218: void    sync(void);
                    219: int     syscall(int, ...);
                    220: int     truncate(const char *, off_t);
                    221: int     ttyslot(void);
                    222: unsigned int    ualarm(unsigned int, unsigned int);
                    223: int     undelete(const char *);
                    224: int     usleep(useconds_t);
                    225: void   *valloc(size_t);                /* obsoleted by malloc() */
                    226: pid_t   vfork(void);
                    227: int     issetugid(void);
1.1       deraadt   228:
1.45      millert   229: #ifndef _GETOPT_DEFINED_
                    230: #define _GETOPT_DEFINED_
1.36      millert   231: int     getopt(int, char * const *, const char *);
1.1       deraadt   232: extern  char *optarg;                  /* getopt(3) external variables */
                    233: extern  int opterr;
                    234: extern  int optind;
                    235: extern  int optopt;
                    236: extern  int optreset;
1.36      millert   237: int     getsubopt(char **, char * const *, char **);
1.1       deraadt   238: extern  char *suboptarg;               /* getsubopt(3) external variable */
1.45      millert   239: #endif /* _GETOPT_DEFINED_ */
1.1       deraadt   240: #endif /* !_POSIX_SOURCE */
1.15      deraadt   241:
                    242: #if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
                    243:      !defined(_XOPEN_SOURCE)) || \
                    244:     (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1)
                    245: #define F_ULOCK         0
                    246: #define F_LOCK          1
                    247: #define F_TLOCK         2
                    248: #define F_TEST          3
1.36      millert   249: int     lockf(int, int, off_t);
1.15      deraadt   250: #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
1.1       deraadt   251: __END_DECLS
                    252:
                    253: #endif /* !_UNISTD_H_ */