1 /* $OpenBSD: unistd.h,v 1.62 2008/06/25 14:58:54 millert Exp $ */ 2 /* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */ 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. 16 * 3. Neither the name of the University nor the names of its contributors 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 #if __XPG_VISIBLE || __POSIX_VISIBLE >= 200112 47 #define F_ULOCK 0 /* unlock locked section */ 48 #define F_LOCK 1 /* lock a section for exclusive use */ 49 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 50 #define F_TEST 3 /* test a section for locks by other procs */ 51 #endif 52 53 #if __POSIX_VISIBLE 54 #define _POSIX_REENTRANT_FUNCTIONS 1 55 #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L 56 #endif 57 58 #ifndef NULL 59 #ifdef __GNUG__ 60 #define NULL __null 61 #else 62 #define NULL 0L 63 #endif 64 #endif 65 66 __BEGIN_DECLS 67 __dead void _exit(int); 68 int access(const char *, int); 69 unsigned int alarm(unsigned int); 70 int chdir(const char *); 71 int chown(const char *, uid_t, gid_t); 72 int close(int); 73 int dup(int); 74 int dup2(int, int); 75 int execl(const char *, const char *, ...) 76 __attribute__((sentinel)); 77 int execle(const char *, const char *, ...); 78 int execlp(const char *, const char *, ...) 79 __attribute__((sentinel)); 80 int execv(const char *, char * const *); 81 int execve(const char *, char * const *, char * const *); 82 int execvp(const char *, char * const *); 83 pid_t fork(void); 84 long fpathconf(int, int); 85 char *getcwd(char *, size_t) 86 __attribute__((__bounded__(__string__,1,2))) 87 __attribute__((__bounded__(__minbytes__,1,1024))); 88 gid_t getegid(void); 89 uid_t geteuid(void); 90 gid_t getgid(void); 91 int getgroups(int, gid_t *); 92 char *getlogin(void); 93 pid_t getpgrp(void); 94 pid_t getpid(void); 95 pid_t getppid(void); 96 uid_t getuid(void); 97 int isatty(int); 98 int link(const char *, const char *); 99 off_t lseek(int, off_t, int); 100 long pathconf(const char *, int); 101 int pause(void); 102 int pipe(int *); 103 ssize_t read(int, void *, size_t) 104 __attribute__((__bounded__(__buffer__,2,3))); 105 int rmdir(const char *); 106 int setgid(gid_t); 107 int setuid(uid_t); 108 unsigned int sleep(unsigned int); 109 long sysconf(int); 110 pid_t tcgetpgrp(int); 111 int tcsetpgrp(int, pid_t); 112 char *ttyname(int); 113 int unlink(const char *); 114 ssize_t write(int, const void *, size_t) 115 __attribute__((__bounded__(__buffer__,2,3))); 116 117 #if __POSIX_VISIBLE || __XPG_VISIBLE >= 300 118 pid_t setsid(void); 119 int setpgid(pid_t, pid_t); 120 #endif 121 122 #if __POSIX_VISIBLE >= 199209 || __XPG_VISIBLE 123 size_t confstr(int, char *, size_t) 124 __attribute__((__bounded__(__string__,2,3))); 125 #ifndef _GETOPT_DEFINED_ 126 #define _GETOPT_DEFINED_ 127 int getopt(int, char * const *, const char *); 128 extern char *optarg; /* getopt(3) external variables */ 129 extern int opterr, optind, optopt, optreset; 130 /* XXX - getsubopt does not belong here */ 131 int getsubopt(char **, char * const *, char **); 132 extern char *suboptarg; /* getsubopt(3) external variable */ 133 #endif /* _GETOPT_DEFINED_ */ 134 #endif 135 136 #if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE 137 int fsync(int); 138 int ftruncate(int, off_t); 139 int getlogin_r(char *, size_t) 140 __attribute__((__bounded__(__string__,1,2))) 141 __attribute__((__bounded__(__minbytes__,1,32))); 142 #endif 143 144 #if __XPG_VISIBLE || __BSD_VISIBLE 145 char *crypt(const char *, const char *); 146 int encrypt(char *, int); 147 int fchdir(int); 148 int fchown(int, uid_t, gid_t); 149 long gethostid(void); 150 char *getwd(char *) 151 __attribute__ ((__bounded__(__minbytes__,1,1024))); 152 int lchown(const char *, uid_t, gid_t); 153 int mkstemp(char *); 154 char *mktemp(char *); 155 int nice(int); 156 int readlink(const char *, char *, size_t) 157 __attribute__ ((__bounded__(__string__,2,3))); 158 int setkey(const char *); 159 int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */ 160 int setregid(gid_t, gid_t); 161 int setreuid(uid_t, uid_t); 162 void swab(const void *, void *, size_t); 163 void sync(void); 164 int truncate(const char *, off_t); 165 unsigned int ualarm(unsigned int, unsigned int); 166 int usleep(useconds_t); 167 pid_t vfork(void); 168 #endif 169 170 #if __XPG_VISIBLE >= 420 171 pid_t getpgid(pid_t); 172 pid_t getsid(pid_t); 173 #endif 174 175 #if __XPG_VISIBLE >= 500 176 ssize_t pread(int, void *, size_t, off_t); 177 ssize_t pwrite(int, const void *, size_t, off_t); 178 int ttyname_r(int, char *, size_t) 179 __attribute__((__bounded__(__string__,2,3))); 180 #endif 181 182 #if __BSD_VISIBLE || __XPG_VISIBLE <= 500 183 /* Interfaces withdrawn by X/Open Issue 5 Version 0 */ 184 int brk(void *); 185 int chroot(const char *); 186 int getdtablesize(void); 187 int getpagesize(void); 188 char *getpass(const char *); 189 void *sbrk(int); 190 #endif 191 192 #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 193 int lockf(int, int, off_t); 194 #endif 195 196 #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 || __BSD_VISIBLE 197 int symlink(const char *, const char *); 198 int gethostname(char *, size_t) 199 __attribute__ ((__bounded__(__string__,1,2))); 200 int setegid(gid_t); 201 int seteuid(uid_t); 202 #endif 203 204 #if __BSD_VISIBLE 205 int acct(const char *); 206 int closefrom(int); 207 int des_cipher(const char *, char *, int32_t, int); 208 int des_setkey(const char *); 209 void endusershell(void); 210 int exect(const char *, char * const *, char * const *); 211 char *fflagstostr(u_int32_t); 212 int getdomainname(char *, size_t) 213 __attribute__ ((__bounded__(__string__,1,2))); 214 int getgrouplist(const char *, gid_t, gid_t *, int *); 215 mode_t getmode(const void *, mode_t); 216 int getresgid(gid_t *, gid_t *, gid_t *); 217 int getresuid(uid_t *, uid_t *, uid_t *); 218 char *getusershell(void); 219 int initgroups(const char *, gid_t); 220 int iruserok(u_int32_t, int, const char *, const char *); 221 int iruserok_sa(const void *, int, int, const char *, const char *); 222 int issetugid(void); 223 char *mkdtemp(char *); 224 int mkstemps(char *, int); 225 int nfssvc(int, void *); 226 int profil(char *, size_t, unsigned long, unsigned int) 227 __attribute__ ((__bounded__(__string__,1,2))); 228 int quotactl(const char *, int, int, char *); 229 int rcmd(char **, int, const char *, 230 const char *, const char *, int *); 231 int rcmd_af(char **, int, const char *, 232 const char *, const char *, int *, int); 233 int rcmdsh(char **, int, const char *, 234 const char *, const char *, char *); 235 char *re_comp(const char *); 236 int re_exec(const char *); 237 int reboot(int); 238 int revoke(const char *); 239 int rfork(int opts); 240 int rresvport(int *); 241 int rresvport_af(int *, int); 242 int ruserok(const char *, int, const char *, const char *); 243 #ifndef _SELECT_DEFINED_ 244 #define _SELECT_DECLARED 245 struct timeval; 246 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 247 #endif 248 int setdomainname(const char *, size_t); 249 int setgroups(int, const gid_t *); 250 int sethostid(long); 251 int sethostname(const char *, size_t); 252 int setlogin(const char *); 253 void *setmode(const char *); 254 int setresgid(gid_t, gid_t, gid_t); 255 int setresuid(uid_t, uid_t, uid_t); 256 int setrgid(gid_t); 257 int setruid(uid_t); 258 void setusershell(void); 259 int strtofflags(char **, u_int32_t *, u_int32_t *); 260 int swapctl(int cmd, const void *arg, int misc); 261 int syscall(int, ...); 262 #endif /* __BSD_VISIBLE */ 263 __END_DECLS 264 265 #endif /* !_UNISTD_H_ */ 266