1#ifndef _UNISTD_H
2# include <posix/unistd.h>
3
4# ifndef _ISOMAC
5
6libc_hidden_proto (_exit, __noreturn__)
7rtld_hidden_proto (_exit, __noreturn__)
8libc_hidden_proto (alarm)
9libc_hidden_proto (confstr)
10libc_hidden_proto (execl)
11libc_hidden_proto (execle)
12libc_hidden_proto (execlp)
13libc_hidden_proto (execvp)
14libc_hidden_proto (getpid)
15libc_hidden_proto (getsid)
16libc_hidden_proto (getdomainname)
17extern __typeof (getlogin_r) __getlogin_r __nonnull ((1));
18libc_hidden_proto (__getlogin_r)
19libc_hidden_proto (getlogin_r)
20libc_hidden_proto (seteuid)
21libc_hidden_proto (setegid)
22libc_hidden_proto (tcgetpgrp)
23libc_hidden_proto (readlinkat)
24
25/* Now define the internal interfaces. */
26extern int __access (const char *__name, int __type) attribute_hidden;
27extern int __euidaccess (const char *__name, int __type);
28extern int __faccessat (int __fd, const char *__file, int __type, int __flag);
29extern int __faccessat_noerrno (int __fd, const char *__file, int __type,
30 int __flag);
31extern __off64_t __lseek64 (int __fd, __off64_t __offset, int __whence)
32 attribute_hidden;
33extern __off_t __lseek (int __fd, __off_t __offset, int __whence);
34libc_hidden_proto (__lseek)
35extern __off_t __libc_lseek (int __fd, __off_t __offset, int __whence);
36extern __off64_t __libc_lseek64 (int __fd, __off64_t __offset, int __whence);
37extern ssize_t __pread (int __fd, void *__buf, size_t __nbytes,
38 __off_t __offset);
39libc_hidden_proto (__pread);
40extern ssize_t __libc_pread (int __fd, void *__buf, size_t __nbytes,
41 __off_t __offset);
42extern ssize_t __pread64 (int __fd, void *__buf, size_t __nbytes,
43 __off64_t __offset);
44libc_hidden_proto (__pread64);
45extern ssize_t __libc_pread64 (int __fd, void *__buf, size_t __nbytes,
46 __off64_t __offset) attribute_hidden;
47extern ssize_t __pwrite (int __fd, const void *__buf, size_t __n,
48 __off_t __offset);
49libc_hidden_proto (__pwrite)
50extern ssize_t __libc_pwrite (int __fd, const void *__buf, size_t __n,
51 __off_t __offset);
52extern ssize_t __pwrite64 (int __fd, const void *__buf, size_t __n,
53 __off64_t __offset);
54libc_hidden_proto (__pwrite64)
55extern ssize_t __libc_pwrite64 (int __fd, const void *__buf, size_t __n,
56 __off64_t __offset) attribute_hidden;
57extern ssize_t __libc_read (int __fd, void *__buf, size_t __n);
58libc_hidden_proto (__libc_read)
59libc_hidden_proto (read)
60extern ssize_t __libc_write (int __fd, const void *__buf, size_t __n);
61libc_hidden_proto (__libc_write)
62libc_hidden_proto (write)
63extern int __pipe (int __pipedes[2]);
64libc_hidden_proto (__pipe)
65extern int __pipe2 (int __pipedes[2], int __flags) attribute_hidden;
66extern unsigned int __sleep (unsigned int __seconds) attribute_hidden;
67extern int __chown (const char *__file,
68 __uid_t __owner, __gid_t __group);
69libc_hidden_proto (__chown)
70extern int __fchown (int __fd,
71 __uid_t __owner, __gid_t __group);
72extern int __lchown (const char *__file, __uid_t __owner,
73 __gid_t __group);
74extern int __chdir (const char *__path) attribute_hidden;
75extern int __fchdir (int __fd) attribute_hidden;
76extern char *__getcwd (char *__buf, size_t __size) attribute_hidden;
77extern int __rmdir (const char *__path) attribute_hidden;
78extern int __execvpe (const char *file, char *const argv[],
79 char *const envp[]) attribute_hidden;
80
81/* Get the canonical absolute name of the named directory, and put it in SIZE
82 bytes of BUF. Returns NULL if the directory couldn't be determined or
83 SIZE was too small. If successful, returns BUF. In GNU, if BUF is
84 NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
85 unless SIZE <= 0, in which case it is as big as necessary. */
86
87char *__canonicalize_directory_name_internal (const char *__thisdir,
88 char *__buf,
89 size_t __size) attribute_hidden;
90
91extern int __dup (int __fd);
92libc_hidden_proto (__dup)
93extern int __dup2 (int __fd, int __fd2);
94libc_hidden_proto (__dup2)
95extern int __dup3 (int __fd, int __fd2, int flags);
96libc_hidden_proto (__dup3)
97extern int __execve (const char *__path, char *const __argv[],
98 char *const __envp[]) attribute_hidden;
99extern long int __pathconf (const char *__path, int __name);
100extern long int __fpathconf (int __fd, int __name);
101extern long int __sysconf (int __name);
102libc_hidden_proto (__sysconf)
103extern __pid_t __getpid (void);
104libc_hidden_proto (__getpid)
105extern __pid_t __getppid (void);
106extern __pid_t __setsid (void) attribute_hidden;
107extern __uid_t __getuid (void) attribute_hidden;
108extern __uid_t __geteuid (void) attribute_hidden;
109extern __gid_t __getgid (void) attribute_hidden;
110extern __gid_t __getegid (void) attribute_hidden;
111extern int __getgroups (int __size, __gid_t __list[]) attribute_hidden;
112libc_hidden_proto (__getpgid)
113extern int __group_member (__gid_t __gid) attribute_hidden;
114extern int __setuid (__uid_t __uid);
115extern int __setreuid (__uid_t __ruid, __uid_t __euid);
116extern int __setgid (__gid_t __gid);
117extern int __setpgid (__pid_t __pid, __pid_t __pgid);
118libc_hidden_proto (__setpgid)
119extern int __setregid (__gid_t __rgid, __gid_t __egid);
120extern int __getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid);
121extern int __getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid);
122extern int __setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid);
123extern int __setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid);
124libc_hidden_proto (__getresuid)
125libc_hidden_proto (__getresgid)
126libc_hidden_proto (__setresuid)
127libc_hidden_proto (__setresgid)
128extern __pid_t __vfork (void);
129libc_hidden_proto (__vfork)
130extern int __ttyname_r (int __fd, char *__buf, size_t __buflen)
131 attribute_hidden;
132extern int __isatty (int __fd) attribute_hidden;
133extern int __link (const char *__from, const char *__to);
134extern int __symlink (const char *__from, const char *__to);
135extern ssize_t __readlink (const char *__path, char *__buf, size_t __len)
136 attribute_hidden;
137extern int __unlink (const char *__name) attribute_hidden;
138extern int __gethostname (char *__name, size_t __len) attribute_hidden;
139extern int __revoke (const char *__file);
140extern int __profil (unsigned short int *__sample_buffer, size_t __size,
141 size_t __offset, unsigned int __scale)
142 attribute_hidden;
143extern int __getdtablesize (void) attribute_hidden;
144extern int __brk (void *__addr) attribute_hidden;
145extern int __close (int __fd);
146libc_hidden_proto (__close)
147extern int __libc_close (int __fd);
148extern ssize_t __read (int __fd, void *__buf, size_t __nbytes);
149libc_hidden_proto (__read)
150extern ssize_t __write (int __fd, const void *__buf, size_t __n);
151libc_hidden_proto (__write)
152extern __pid_t __fork (void);
153libc_hidden_proto (__fork)
154extern int __getpagesize (void) __attribute__ ((__const__));
155libc_hidden_proto (__getpagesize)
156extern int __ftruncate (int __fd, __off_t __length) attribute_hidden;
157extern int __ftruncate64 (int __fd, __off64_t __length) attribute_hidden;
158extern int __truncate (const char *path, __off_t __length);
159extern void *__sbrk (intptr_t __delta);
160libc_hidden_proto (__sbrk)
161
162
163/* This variable is set nonzero at startup if the process's effective
164 IDs differ from its real IDs, or it is otherwise indicated that
165 extra security should be used. When this is set the dynamic linker
166 and some functions contained in the C library ignore various
167 environment variables that normally affect them. */
168extern int __libc_enable_secure attribute_relro;
169extern int __libc_enable_secure_decided;
170rtld_hidden_proto (__libc_enable_secure)
171
172
173/* Various internal function. */
174extern void __libc_check_standard_fds (void) attribute_hidden;
175
176
177/* Internal name for fork function. */
178extern __pid_t __libc_fork (void);
179
180/* Suspend the process until a signal arrives.
181 This always returns -1 and sets `errno' to EINTR. */
182extern int __libc_pause (void);
183
184extern int __getlogin_r_loginuid (char *name, size_t namesize)
185 attribute_hidden;
186
187# if IS_IN (rtld)
188# include <dl-unistd.h>
189# endif
190
191# endif
192#endif
193