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 * $FreeBSD$ 35 */ 36 37 #ifndef _UNISTD_H_ 38 #define _UNISTD_H_ 39 40 #include <sys/cdefs.h> 41 #include <sys/types.h> /* XXX adds too much pollution. */ 42 #include <sys/unistd.h> 43 #include <sys/_types.h> 44 45 #ifdef _BSD_GID_T_ 46 typedef _BSD_GID_T_ gid_t; 47 #undef _BSD_GID_T_ 48 #endif 49 50 #ifdef _BSD_SIZE_T_ 51 typedef _BSD_SIZE_T_ size_t; 52 #undef _BSD_SIZE_T_ 53 #endif 54 55 #ifdef _BSD_SSIZE_T_ 56 typedef _BSD_SSIZE_T_ ssize_t; 57 #undef _BSD_SSIZE_T_ 58 #endif 59 60 #ifdef _BSD_UID_T_ 61 typedef _BSD_UID_T_ uid_t; 62 #undef _BSD_UID_T_ 63 #endif 64 65 /* 66 * XXX missing type definitions for off_t, pid_t and useconds_t. 67 */ 68 69 #define STDIN_FILENO 0 /* standard input file descriptor */ 70 #define STDOUT_FILENO 1 /* standard output file descriptor */ 71 #define STDERR_FILENO 2 /* standard error file descriptor */ 72 73 #ifndef NULL 74 #define NULL 0 /* null pointer constant */ 75 #endif 76 77 #ifndef _POSIX_SOURCE 78 #define F_ULOCK 0 /* unlock locked section */ 79 #define F_LOCK 1 /* lock a section for exclusive use */ 80 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 81 #define F_TEST 3 /* test a section for locks by other procs */ 82 #endif 83 84 __BEGIN_DECLS 85 void _exit(int) __dead2; 86 int access(const char *, int); 87 unsigned int alarm(unsigned int); 88 int chdir(const char *); 89 int chown(const char *, uid_t, gid_t); 90 int close(int); 91 int dup(int); 92 int dup2(int, int); 93 int eaccess(const char *, int); 94 int execl(const char *, const char *, ...); 95 int execle(const char *, const char *, ...); 96 int execlp(const char *, const char *, ...); 97 int execv(const char *, char * const *); 98 int execve(const char *, char * const *, char * const *); 99 int execvp(const char *, char * const *); 100 pid_t fork(void); 101 long fpathconf(int, int); 102 char *getcwd(char *, size_t); 103 gid_t getegid(void); 104 uid_t geteuid(void); 105 gid_t getgid(void); 106 int getgroups(int, gid_t []); 107 char *getlogin(void); 108 pid_t getpgrp(void); 109 pid_t getpid(void); 110 pid_t getppid(void); 111 uid_t getuid(void); 112 int isatty(int); 113 int link(const char *, const char *); 114 #ifndef _LSEEK_DECLARED 115 #define _LSEEK_DECLARED 116 off_t lseek(int, off_t, int); 117 #endif 118 long pathconf(const char *, int); 119 int pause(void); 120 int pipe(int *); 121 ssize_t read(int, void *, size_t); 122 int rmdir(const char *); 123 int setgid(gid_t); 124 int setpgid(pid_t, pid_t); 125 void setproctitle(const char *_fmt, ...) __printf0like(1, 2); 126 pid_t setsid(void); 127 int setuid(uid_t); 128 unsigned int sleep(unsigned int); 129 long sysconf(int); 130 pid_t tcgetpgrp(int); 131 int tcsetpgrp(int, pid_t); 132 char *ttyname(int); 133 int unlink(const char *); 134 ssize_t write(int, const void *, size_t); 135 136 extern char *optarg; /* getopt(3) external variables */ 137 extern int optind, opterr, optopt; 138 int getopt(int, char * const [], const char *); 139 140 #ifndef _POSIX_SOURCE 141 struct timeval; /* select(2) */ 142 int acct(const char *); 143 int async_daemon(void); 144 int brk(const void *); 145 int chroot(const char *); 146 size_t confstr(int, char *, size_t); 147 char *crypt(const char *, const char *); 148 __const char * 149 crypt_get_format(void); 150 int crypt_set_format(const char *); 151 int des_cipher(const char *, char *, long, int); 152 int des_setkey(const char *key); 153 int encrypt(char *, int); 154 void endusershell(void); 155 int exect(const char *, char * const *, char * const *); 156 int fchdir(int); 157 int fchown(int, uid_t, gid_t); 158 char *fflagstostr(u_long); 159 int fsync(int); 160 #ifndef _FTRUNCATE_DECLARED 161 #define _FTRUNCATE_DECLARED 162 int ftruncate(int, off_t); 163 #endif 164 int getdomainname(char *, int); 165 int getdtablesize(void); 166 int getgrouplist(const char *, gid_t, gid_t *, int *); 167 long gethostid(void); 168 int gethostname(char *, int); 169 int getlogin_r(char *, int); 170 mode_t getmode(const void *, mode_t); 171 int getpagesize(void) __pure2; 172 char *getpass(const char *); 173 int getpeereid(int, uid_t *, gid_t *); 174 int getpgid(pid_t _pid); 175 int getresgid(gid_t *, gid_t *, gid_t *); 176 int getresuid(uid_t *, uid_t *, uid_t *); 177 int getsid(pid_t _pid); 178 char *getusershell(void); 179 char *getwd(char *); /* obsoleted by getcwd() */ 180 int initgroups(const char *, gid_t); 181 int iruserok(unsigned long, int, const char *, const char *); 182 int iruserok_sa(const void *, int, int, const char *, const char *); 183 int issetugid(void); 184 int lchown(const char *, uid_t, gid_t); 185 int lockf(int, int, off_t); 186 char *mkdtemp(char *); 187 int mknod(const char *, mode_t, dev_t); 188 int mkstemp(char *); 189 int mkstemps(char *, int); 190 char *mktemp(char *); 191 int nfsclnt(int, void *); 192 int nfssvc(int, void *); 193 int nice(int); 194 ssize_t pread(int, void *, size_t, off_t); 195 int profil(char *, size_t, vm_offset_t, int); 196 ssize_t pwrite(int, const void *, size_t, off_t); 197 int rcmd(char **, int, const char *, const char *, const char *, int *); 198 int rcmd_af(char **, int, const char *, 199 const char *, const char *, int *, int); 200 int rcmdsh(char **, int, const char *, 201 const char *, const char *, const char *); 202 char *re_comp(const char *); 203 int re_exec(const char *); 204 int readlink(const char *, char *, int); 205 int reboot(int); 206 int revoke(const char *); 207 pid_t rfork(int); 208 pid_t rfork_thread(int, void *, int (*)(void *), void *); 209 int rresvport(int *); 210 int rresvport_af(int *, int); 211 int ruserok(const char *, int, const char *, const char *); 212 void *sbrk(intptr_t); 213 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 214 int setdomainname(const char *, int); 215 int setegid(gid_t); 216 int seteuid(uid_t); 217 int setgroups(int, const gid_t *); 218 void sethostid(long); 219 int sethostname(const char *, int); 220 int setkey(const char *); 221 int setlogin(const char *); 222 void *setmode(const char *); 223 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 224 int setregid(gid_t, gid_t); 225 int setresgid(gid_t, gid_t, gid_t); 226 int setresuid(uid_t, uid_t, uid_t); 227 int setreuid(uid_t, uid_t); 228 int setrgid(gid_t); 229 int setruid(uid_t); 230 void setusershell(void); 231 int strtofflags(char **, u_long *, u_long *); 232 int swapon(const char *); 233 int symlink(const char *, const char *); 234 void sync(void); 235 int syscall(int, ...); 236 off_t __syscall(quad_t, ...); 237 #ifndef _TRUNCATE_DECLARED 238 #define _TRUNCATE_DECLARED 239 int truncate(const char *, off_t); 240 #endif 241 int ttyslot(void); 242 unsigned int ualarm(unsigned int, unsigned int); 243 int undelete(const char *); 244 int unwhiteout(const char *); 245 int usleep(unsigned int); 246 void *valloc(size_t); /* obsoleted by malloc() */ 247 pid_t vfork(void); 248 249 extern char *suboptarg; /* getsubopt(3) external variable */ 250 int getsubopt(char **, char * const *, char **); 251 #endif /* !_POSIX_SOURCE */ 252 extern int optreset; /* getopt(3) external variable */ 253 __END_DECLS 254 255 #endif /* !_UNISTD_H_ */ 256