1#ifndef _UNISTD_H
2# include <posix/unistd.h>
3
4# ifndef _ISOMAC
5
6libc_hidden_proto (_exit, __noreturn__)
7# ifndef NO_RTLD_HIDDEN
8rtld_hidden_proto (_exit, __noreturn__)
9# endif
10libc_hidden_proto (alarm)
11extern size_t __confstr (int name, char *buf, size_t len);
12libc_hidden_proto (__confstr)
13libc_hidden_proto (confstr)
14libc_hidden_proto (execl)
15libc_hidden_proto (execle)
16libc_hidden_proto (execlp)
17libc_hidden_proto (execvp)
18libc_hidden_proto (getpid)
19libc_hidden_proto (getsid)
20libc_hidden_proto (getdomainname)
21extern __typeof (getlogin_r) __getlogin_r __nonnull ((1));
22libc_hidden_proto (__getlogin_r)
23libc_hidden_proto (getlogin_r)
24libc_hidden_proto (seteuid)
25libc_hidden_proto (setegid)
26libc_hidden_proto (tcgetpgrp)
27libc_hidden_proto (readlinkat)
28libc_hidden_proto (fsync)
29libc_hidden_proto (fdatasync)
30
31/* Now define the internal interfaces. */
32extern int __access (const char *__name, int __type);
33libc_hidden_proto (__access)
34extern int __euidaccess (const char *__name, int __type);
35extern int __faccessat (int __fd, const char *__file, int __type, int __flag);
36extern int __faccessat_noerrno (int __fd, const char *__file, int __type,
37 int __flag);
38extern __off64_t __lseek64 (int __fd, __off64_t __offset, int __whence);
39extern __off_t __lseek (int __fd, __off_t __offset, int __whence);
40libc_hidden_proto (__lseek)
41extern __off_t __libc_lseek (int __fd, __off_t __offset, int __whence);
42extern __off64_t __libc_lseek64 (int __fd, __off64_t __offset, int __whence);
43extern ssize_t __pread (int __fd, void *__buf, size_t __nbytes,
44 __off_t __offset);
45libc_hidden_proto (__pread);
46extern ssize_t __libc_pread (int __fd, void *__buf, size_t __nbytes,
47 __off_t __offset);
48extern ssize_t __pread64 (int __fd, void *__buf, size_t __nbytes,
49 __off64_t __offset);
50libc_hidden_proto (__pread64);
51extern ssize_t __libc_pread64 (int __fd, void *__buf, size_t __nbytes,
52 __off64_t __offset);
53extern ssize_t __pwrite (int __fd, const void *__buf, size_t __n,
54 __off_t __offset);
55libc_hidden_proto (__pwrite)
56extern ssize_t __libc_pwrite (int __fd, const void *__buf, size_t __n,
57 __off_t __offset);
58extern ssize_t __pwrite64 (int __fd, const void *__buf, size_t __n,
59 __off64_t __offset);
60libc_hidden_proto (__pwrite64)
61extern ssize_t __libc_pwrite64 (int __fd, const void *__buf, size_t __n,
62 __off64_t __offset);
63extern ssize_t __libc_read (int __fd, void *__buf, size_t __n);
64libc_hidden_proto (__libc_read)
65libc_hidden_proto (read)
66extern ssize_t __libc_write (int __fd, const void *__buf, size_t __n);
67libc_hidden_proto (__libc_write)
68libc_hidden_proto (write)
69extern int __pipe (int __pipedes[2]);
70libc_hidden_proto (__pipe)
71extern int __pipe2 (int __pipedes[2], int __flags) attribute_hidden;
72extern unsigned int __sleep (unsigned int __seconds) attribute_hidden;
73extern int __chown (const char *__file,
74 __uid_t __owner, __gid_t __group);
75libc_hidden_proto (__chown)
76extern int __fchown (int __fd,
77 __uid_t __owner, __gid_t __group);
78extern int __lchown (const char *__file, __uid_t __owner,
79 __gid_t __group);
80extern int __chdir (const char *__path) attribute_hidden;
81extern int __fchdir (int __fd) attribute_hidden;
82extern char *__getcwd (char *__buf, size_t __size);
83libc_hidden_proto (__getcwd)
84extern int __rmdir (const char *__path) attribute_hidden;
85extern int __execvpe (const char *file, char *const argv[],
86 char *const envp[]) attribute_hidden;
87extern int __execvpex (const char *file, char *const argv[],
88 char *const envp[]) attribute_hidden;
89
90/* Get the canonical absolute name of the named directory, and put it in SIZE
91 bytes of BUF. Returns NULL if the directory couldn't be determined or
92 SIZE was too small. If successful, returns BUF. In GNU, if BUF is
93 NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
94 unless SIZE <= 0, in which case it is as big as necessary. */
95
96char *__canonicalize_directory_name_internal (const char *__thisdir,
97 char *__buf,
98 size_t __size) attribute_hidden;
99
100extern int __dup (int __fd);
101libc_hidden_proto (__dup)
102extern int __dup2 (int __fd, int __fd2);
103libc_hidden_proto (__dup2)
104extern int __dup3 (int __fd, int __fd2, int flags);
105libc_hidden_proto (__dup3)
106extern int __execve (const char *__path, char *const __argv[],
107 char *const __envp[]) attribute_hidden;
108extern int __execveat (int dirfd, const char *__path, char *const __argv[],
109 char *const __envp[], int flags) attribute_hidden;
110extern long int __pathconf (const char *__path, int __name);
111extern long int __fpathconf (int __fd, int __name);
112extern long int __sysconf (int __name);
113libc_hidden_proto (__sysconf)
114extern __pid_t __getpid (void);
115libc_hidden_proto (__getpid)
116extern __pid_t __getppid (void);
117extern __pid_t __setsid (void) attribute_hidden;
118extern __uid_t __getuid (void) attribute_hidden;
119extern __uid_t __geteuid (void) attribute_hidden;
120extern __gid_t __getgid (void) attribute_hidden;
121extern __gid_t __getegid (void) attribute_hidden;
122extern int __getgroups (int __size, __gid_t __list[]) attribute_hidden;
123libc_hidden_proto (__getpgid)
124extern int __group_member (__gid_t __gid) attribute_hidden;
125extern int __setuid (__uid_t __uid);
126extern int __setreuid (__uid_t __ruid, __uid_t __euid);
127extern int __setgid (__gid_t __gid);
128extern int __setpgid (__pid_t __pid, __pid_t __pgid);
129libc_hidden_proto (__setpgid)
130extern int __setregid (__gid_t __rgid, __gid_t __egid);
131extern int __getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid);
132extern int __getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid);
133extern int __setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid);
134extern int __setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid);
135libc_hidden_proto (__getresuid)
136libc_hidden_proto (__getresgid)
137libc_hidden_proto (__setresuid)
138libc_hidden_proto (__setresgid)
139extern __pid_t __vfork (void);
140libc_hidden_proto (__vfork)
141extern int __ttyname_r (int __fd, char *__buf, size_t __buflen);
142libc_hidden_proto (__ttyname_r)
143extern __pid_t _Fork (void);
144libc_hidden_proto (_Fork);
145extern int __isatty (int __fd) attribute_hidden;
146extern int __link (const char *__from, const char *__to);
147extern int __symlink (const char *__from, const char *__to);
148extern ssize_t __readlink (const char *__path, char *__buf, size_t __len)
149 attribute_hidden;
150extern int __unlink (const char *__name) attribute_hidden;
151extern int __gethostname (char *__name, size_t __len) attribute_hidden;
152extern int __revoke (const char *__file);
153extern int __profil (unsigned short int *__sample_buffer, size_t __size,
154 size_t __offset, unsigned int __scale)
155 attribute_hidden;
156extern int __getdtablesize (void) attribute_hidden;
157extern int __brk (void *__addr) attribute_hidden;
158extern int __close (int __fd);
159libc_hidden_proto (__close)
160extern int __libc_close (int __fd);
161extern _Bool __closefrom_fallback (int __lowfd, _Bool) attribute_hidden;
162extern ssize_t __read (int __fd, void *__buf, size_t __nbytes);
163libc_hidden_proto (__read)
164extern ssize_t __write (int __fd, const void *__buf, size_t __n);
165libc_hidden_proto (__write)
166extern __pid_t __fork (void);
167libc_hidden_proto (__fork)
168extern int __getpagesize (void) __attribute__ ((__const__));
169libc_hidden_proto (__getpagesize)
170extern int __ftruncate (int __fd, __off_t __length) attribute_hidden;
171extern int __ftruncate64 (int __fd, __off64_t __length) attribute_hidden;
172extern int __truncate (const char *path, __off_t __length);
173extern void *__sbrk (intptr_t __delta);
174libc_hidden_proto (__sbrk)
175
176
177/* This variable is set nonzero at startup if the process's effective
178 IDs differ from its real IDs, or it is otherwise indicated that
179 extra security should be used. When this is set the dynamic linker
180 and some functions contained in the C library ignore various
181 environment variables that normally affect them. */
182extern int __libc_enable_secure attribute_relro;
183extern int __libc_enable_secure_decided;
184rtld_hidden_proto (__libc_enable_secure)
185
186
187/* Various internal function. */
188extern void __libc_check_standard_fds (void) attribute_hidden;
189
190
191/* Internal name for fork function. */
192extern __pid_t __libc_fork (void);
193
194/* Suspend the process until a signal arrives.
195 This always returns -1 and sets `errno' to EINTR. */
196extern int __libc_pause (void);
197
198extern int __getlogin_r_loginuid (char *name, size_t namesize)
199 attribute_hidden;
200
201# if IS_IN (rtld)
202# include <dl-unistd.h>
203# endif
204
205# endif
206#endif
207