1#ifndef _UNISTD_H
2# include <posix/unistd.h>
4# ifndef _ISOMAC
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)
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;
80extern int __execvpex (const char *file, char *const argv[],
81 char *const envp[]) attribute_hidden;
83/* Get the canonical absolute name of the named directory, and put it in SIZE
84 bytes of BUF. Returns NULL if the directory couldn't be determined or
85 SIZE was too small. If successful, returns BUF. In GNU, if BUF is
86 NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
87 unless SIZE <= 0, in which case it is as big as necessary. */
89char *__canonicalize_directory_name_internal (const char *__thisdir,
90 char *__buf,
91 size_t __size) attribute_hidden;
93extern int __dup (int __fd);
94libc_hidden_proto (__dup)
95extern int __dup2 (int __fd, int __fd2);
96libc_hidden_proto (__dup2)
97extern int __dup3 (int __fd, int __fd2, int flags);
98libc_hidden_proto (__dup3)
99extern int __execve (const char *__path, char *const __argv[],
100 char *const __envp[]) attribute_hidden;
101extern long int __pathconf (const char *__path, int __name);
102extern long int __fpathconf (int __fd, int __name);
103extern long int __sysconf (int __name);
104libc_hidden_proto (__sysconf)
105extern __pid_t __getpid (void);
106libc_hidden_proto (__getpid)
107extern __pid_t __getppid (void);
108extern __pid_t __setsid (void) attribute_hidden;
109extern __uid_t __getuid (void) attribute_hidden;
110extern __uid_t __geteuid (void) attribute_hidden;
111extern __gid_t __getgid (void) attribute_hidden;
112extern __gid_t __getegid (void) attribute_hidden;
113extern int __getgroups (int __size, __gid_t __list[]) attribute_hidden;
114libc_hidden_proto (__getpgid)
115extern int __group_member (__gid_t __gid) attribute_hidden;
116extern int __setuid (__uid_t __uid);
117extern int __setreuid (__uid_t __ruid, __uid_t __euid);
118extern int __setgid (__gid_t __gid);
119extern int __setpgid (__pid_t __pid, __pid_t __pgid);
120libc_hidden_proto (__setpgid)
121extern int __setregid (__gid_t __rgid, __gid_t __egid);
122extern int __getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid);
123extern int __getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid);
124extern int __setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid);
125extern int __setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid);
126libc_hidden_proto (__getresuid)
127libc_hidden_proto (__getresgid)
128libc_hidden_proto (__setresuid)
129libc_hidden_proto (__setresgid)
130extern __pid_t __vfork (void);
131libc_hidden_proto (__vfork)
132extern int __ttyname_r (int __fd, char *__buf, size_t __buflen)
133 attribute_hidden;
134extern int __isatty (int __fd) attribute_hidden;
135extern int __link (const char *__from, const char *__to);
136extern int __symlink (const char *__from, const char *__to);
137extern ssize_t __readlink (const char *__path, char *__buf, size_t __len)
138 attribute_hidden;
139extern int __unlink (const char *__name) attribute_hidden;
140extern int __gethostname (char *__name, size_t __len) attribute_hidden;
141extern int __revoke (const char *__file);
142extern int __profil (unsigned short int *__sample_buffer, size_t __size,
143 size_t __offset, unsigned int __scale)
144 attribute_hidden;
145extern int __getdtablesize (void) attribute_hidden;
146extern int __brk (void *__addr) attribute_hidden;
147extern int __close (int __fd);
148libc_hidden_proto (__close)
149extern int __libc_close (int __fd);
150extern ssize_t __read (int __fd, void *__buf, size_t __nbytes);
151libc_hidden_proto (__read)
152extern ssize_t __write (int __fd, const void *__buf, size_t __n);
153libc_hidden_proto (__write)
154extern __pid_t __fork (void);
155libc_hidden_proto (__fork)
156extern int __getpagesize (void) __attribute__ ((__const__));
157libc_hidden_proto (__getpagesize)
158extern int __ftruncate (int __fd, __off_t __length) attribute_hidden;
159extern int __ftruncate64 (int __fd, __off64_t __length) attribute_hidden;
160extern int __truncate (const char *path, __off_t __length);
161extern void *__sbrk (intptr_t __delta);
162libc_hidden_proto (__sbrk)
165/* This variable is set nonzero at startup if the process's effective
166 IDs differ from its real IDs, or it is otherwise indicated that
167 extra security should be used. When this is set the dynamic linker
168 and some functions contained in the C library ignore various
169 environment variables that normally affect them. */
170extern int __libc_enable_secure attribute_relro;
171extern int __libc_enable_secure_decided;
172rtld_hidden_proto (__libc_enable_secure)
175/* Various internal function. */
176extern void __libc_check_standard_fds (void) attribute_hidden;
179/* Internal name for fork function. */
180extern __pid_t __libc_fork (void);
182/* Suspend the process until a signal arrives.
183 This always returns -1 and sets `errno' to EINTR. */
184extern int __libc_pause (void);
186extern int __getlogin_r_loginuid (char *name, size_t namesize)
187 attribute_hidden;
189# if IS_IN (rtld)
190# include <dl-unistd.h>
191# endif
193# endif