Annotation of src/include/unistd.h, Revision 1.53
1.53 ! millert 1: /* $OpenBSD: unistd.h,v 1.52 2004/01/13 18:10:53 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 *);
133: char *brk(const char *);
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 *);
191: char *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_ */