-/* unistd.h <ndf@linux.mit.edu> */
+/* Copyright (C) 1991-1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * POSIX Standard: 2.10 Symbolic Constants <unistd.h>
+ */
+
+#ifndef _UNISTD_H
+#define _UNISTD_H 1
+
#include <features.h>
-#include <sys/types.h>
-#ifndef __UNISTD_H
-#define __UNISTD_H
+__BEGIN_DECLS
+
+/* These may be used to determine what facilities are present at compile time.
+ Their values can be obtained at run time from `sysconf'. */
+
+/* POSIX Standard approved as ISO/IEC 9945-1 as of August, 1988 and
+ extended by POSIX-1b (aka POSIX-4) and POSIX-1c (aka POSIX threads). */
+#define _POSIX_VERSION 199506L
+
+/* These are not #ifdef __USE_POSIX2 because they are
+ in the theoretically application-owned namespace. */
+
+/* POSIX Standard approved as ISO/IEC 9945-2 as of December, 1993. */
+#define _POSIX2_C_VERSION 199209L
+
+/* The utilities on GNU systems also correspond to this version. */
+#define _POSIX2_VERSION 199209L
-#include <errno.h>
-#ifdef __mc68000__
-#include <asm/unistd.h>
+/* If defined, the implementation supports the
+ C Language Bindings Option. */
+#define _POSIX2_C_BIND 1
+
+/* If defined, the implementation supports the
+ C Language Development Utilities Option. */
+#define _POSIX2_C_DEV 1
+
+/* If defined, the implementation supports the
+ Software Development Utilities Option. */
+#define _POSIX2_SW_DEV 1
+
+/* If defined, the implementation supports the
+ creation of locales with the localedef utility. */
+#define _POSIX2_LOCALEDEF 1
+
+/* X/Open version number to which the library conforms. It is selectable. */
+#ifdef __USE_UNIX98
+# define _XOPEN_VERSION 500
+#else
+# define _XOPEN_VERSION 4
+#endif
+
+/* Commands and utilities from XPG4 are available. */
+#define _XOPEN_XCU_VERSION 4
+
+/* We are compatible with the old published standards as well. */
+#define _XOPEN_XPG2 1
+#define _XOPEN_XPG3 1
+#define _XOPEN_XPG4 1
+
+/* The X/Open Unix extensions are available. */
+#define _XOPEN_UNIX 1
+
+/* Encryption is present. */
+#define _XOPEN_CRYPT 1
+
+/* The enhanced internationalization capabilities according to XPG4.2
+ are present. */
+#define _XOPEN_ENH_I18N 1
+
+/* The legacy interfaces are also available. */
+#define _XOPEN_LEGACY 1
+
+
+/* Get values of POSIX options:
+
+ If these symbols are defined, the corresponding features are
+ always available. If not, they may be available sometimes.
+ The current values can be obtained with `sysconf'.
+
+ _POSIX_JOB_CONTROL Job control is supported.
+ _POSIX_SAVED_IDS Processes have a saved set-user-ID
+ and a saved set-group-ID.
+ _POSIX_REALTIME_SIGNALS Real-time, queued signals are supported.
+ _POSIX_PRIORITY_SCHEDULING Priority scheduling is supported.
+ _POSIX_TIMERS POSIX.4 clocks and timers are supported.
+ _POSIX_ASYNCHRONOUS_IO Asynchronous I/O is supported.
+ _POSIX_PRIORITIZED_IO Prioritized asynchronous I/O is supported.
+ _POSIX_SYNCHRONIZED_IO Synchronizing file data is supported.
+ _POSIX_FSYNC The fsync function is present.
+ _POSIX_MAPPED_FILES Mapping of files to memory is supported.
+ _POSIX_MEMLOCK Locking of all memory is supported.
+ _POSIX_MEMLOCK_RANGE Locking of ranges of memory is supported.
+ _POSIX_MEMORY_PROTECTION Setting of memory protections is supported.
+ _POSIX_MESSAGE_PASSING POSIX.4 message queues are supported.
+ _POSIX_SEMAPHORES POSIX.4 counting semaphores are supported.
+ _POSIX_SHARED_MEMORY_OBJECTS POSIX.4 shared memory objects are supported.
+ _POSIX_THREADS POSIX.1c pthreads are supported.
+ _POSIX_THREAD_ATTR_STACKADDR Thread stack address attribute option supported.
+ _POSIX_THREAD_ATTR_STACKSIZE Thread stack size attribute option supported.
+ _POSIX_THREAD_SAFE_FUNCTIONS Thread-safe functions are supported.
+ _POSIX_THREAD_PRIORITY_SCHEDULING
+ POSIX.1c thread execution scheduling supported.
+ _POSIX_THREAD_PRIO_INHERIT Thread priority inheritance option supported.
+ _POSIX_THREAD_PRIO_PROTECT Thread priority protection option supported.
+ _POSIX_THREAD_PROCESS_SHARED Process-shared synchronization supported.
+ _POSIX_PII Protocol-independent interfaces are supported.
+ _POSIX_PII_XTI XTI protocol-indep. interfaces are supported.
+ _POSIX_PII_SOCKET Socket protocol-indep. interfaces are supported.
+ _POSIX_PII_INTERNET Internet family of protocols supported.
+ _POSIX_PII_INTERNET_STREAM Connection-mode Internet protocol supported.
+ _POSIX_PII_INTERNET_DGRAM Connectionless Internet protocol supported.
+ _POSIX_PII_OSI ISO/OSI family of protocols supported.
+ _POSIX_PII_OSI_COTS Connection-mode ISO/OSI service supported.
+ _POSIX_PII_OSI_CLTS Connectionless ISO/OSI service supported.
+ _POSIX_POLL Implementation supports `poll' function.
+ _POSIX_SELECT Implementation supports `select' and `pselect'.
+
+ _XOPEN_REALTIME X/Open realtime support is available.
+ _XOPEN_REALTIME_THREADS X/Open realtime thread support is available.
+ _XOPEN_SHM Shared memory interface according to XPG4.2.
+
+ _XBS5_ILP32_OFF32 Implementation provides environment with 32-bit
+ int, long, pointer, and off_t types.
+ _XBS5_ILP32_OFFBIG Implementation provides environment with 32-bit
+ int, long, and pointer and off_t with at least
+ 64 bits.
+ _XBS5_LP64_OFF64 Implementation provides environment with 32-bit
+ int, and 64-bit long, pointer, and off_t types.
+ _XBS5_LPBIG_OFFBIG Implementation provides environment with at
+ least 32 bits int and long, pointer, and off_t
+ with at least 64 bits.
+
+ If any of these symbols is defined as -1, the corresponding option is not
+ true for any file. If any is defined as other than -1, the corresponding
+ option is true for all files. If a symbol is not defined at all, the value
+ for a specific file can be obtained from `pathconf' and `fpathconf'.
+
+ _POSIX_CHOWN_RESTRICTED Only the super user can use `chown' to change
+ the owner of a file. `chown' can only be used
+ to change the group ID of a file to a group of
+ which the calling process is a member.
+ _POSIX_NO_TRUNC Pathname components longer than
+ NAME_MAX generate an error.
+ _POSIX_VDISABLE If defined, if the value of an element of the
+ `c_cc' member of `struct termios' is
+ _POSIX_VDISABLE, no character will have the
+ effect associated with that element.
+ _POSIX_SYNC_IO Synchronous I/O may be performed.
+ _POSIX_ASYNC_IO Asynchronous I/O may be performed.
+ _POSIX_PRIO_IO Prioritized Asynchronous I/O may be performed.
+
+ Support for the Large File Support interface is not generally available.
+ If it is available the following constants are defined to one.
+ _LFS64_LARGEFILE Low-level I/O supports large files.
+ _LFS64_STDIO Standard I/O supports large files.
+ */
+
+#include <bits/posix_opt.h>
+
+/* Get the environment definitions from Unix98. */
+#ifdef __USE_UNIX98
+# include <bits/environments.h>
#endif
-#define STDIN_FILENO 0
-#define STDOUT_FILENO 1
-#define STDERR_FILENO 2
+/* Standard file descriptors. */
+#define STDIN_FILENO 0 /* Standard input. */
+#define STDOUT_FILENO 1 /* Standard output. */
+#define STDERR_FILENO 2 /* Standard error output. */
-/* NULL-terminated array of "NAME=VALUE" environment variables. */
-extern char **__environ;
-extern char **environ;
+/* All functions that are not declared anywhere else. */
+
+#include <bits/types.h>
+
+#ifndef ssize_t
+typedef __ssize_t ssize_t;
+# define ssize_t ssize_t
+#endif
+
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+#ifdef __USE_XOPEN
+/* The Single Unix specification says that some more types are
+ available here. */
+# ifndef gid_t
+typedef __gid_t gid_t;
+# define gid_t gid_t
+# endif
+
+# ifndef uid_t
+typedef __uid_t uid_t;
+# define uid_t uid_t
+# endif
+
+# ifndef off_t
+# ifndef __USE_FILE_OFFSET64
+typedef __off_t off_t;
+# else
+typedef __off64_t off_t;
+# endif
+# define off_t off_t
+# endif
+# if defined __USE_LARGEFILE64 && !defined off64_t
+typedef __off64_t off64_t;
+# define off64_t off64_t
+# endif
+
+# ifndef pid_t
+typedef __pid_t pid_t;
+# define pid_t pid_t
+# endif
+#endif /* X/Open */
+
+#ifdef __USE_UNIX98
+# ifndef intptr_t
+typedef __intptr_t intptr_t;
+# define intptr_t intptr_t
+# endif
+#endif /* Unix98 */
+
+/* Values for the second argument to access.
+ These may be OR'd together. */
+#define R_OK 4 /* Test for read permission. */
+#define W_OK 2 /* Test for write permission. */
+#define X_OK 1 /* Test for execute permission. */
+#define F_OK 0 /* Test for existence. */
+
+/* Test for access to NAME using the real UID and real GID. */
+extern int access __P ((__const char *__name, int __type));
+
+#ifdef __USE_GNU
+/* Test for access to NAME using the effective UID and GID
+ (as normal file operations use). */
+extern int euidaccess __P ((__const char *__name, int __type));
+#endif
+
+
+/* Values for the WHENCE argument to lseek. */
+#ifndef _STDIO_H /* <stdio.h> has the same definitions. */
+# define SEEK_SET 0 /* Seek from beginning of file. */
+# define SEEK_CUR 1 /* Seek from current position. */
+# define SEEK_END 2 /* Seek from end of file. */
+#endif
+
+#if defined __USE_BSD && !defined L_SET
+/* Old BSD names for the same constants; just for compatibility. */
+# define L_SET SEEK_SET
+# define L_INCR SEEK_CUR
+# define L_XTND SEEK_END
+#endif
+
+
+/* Move FD's file position to OFFSET bytes from the
+ beginning of the file (if WHENCE is SEEK_SET),
+ the current position (if WHENCE is SEEK_CUR),
+ or the end of the file (if WHENCE is SEEK_END).
+ Return the new file position. */
+extern __off_t __lseek __P ((int __fd, __off_t __offset, int __whence));
+#ifndef __USE_FILE_OFFSET64
+extern __off_t lseek __P ((int __fd, __off_t __offset, int __whence));
+#else
+# ifdef __REDIRECT
+extern __off64_t __REDIRECT (lseek,
+ __P ((int __fd, __off64_t __offset,
+ int __whence)),
+ lseek64);
+# else
+# define lseek lseek64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence));
+#endif
-extern int close __P ((int));
-extern size_t read __P ((int __fd, char * __buf, size_t __nbytes));
-extern size_t write __P ((int __fd, __const char * __buf, size_t __n));
-extern off_t lseek __P ((int __fd, off_t __n, int __whence));
+/* Close the file descriptor FD. */
+extern int __close __P ((int __fd));
+extern int close __P ((int __fd));
+
+/* Read NBYTES into BUF from FD. Return the
+ number read, -1 for errors or 0 for EOF. */
+extern ssize_t __read __P ((int __fd, __ptr_t __buf, size_t __nbytes));
+extern ssize_t read __P ((int __fd, __ptr_t __buf, size_t __nbytes));
+
+/* Write N bytes of BUF to FD. Return the number written, or -1. */
+extern ssize_t __write __P ((int __fd, __const __ptr_t __buf, size_t __n));
+extern ssize_t write __P ((int __fd, __const __ptr_t __buf, size_t __n));
+
+#ifdef __USE_UNIX98
+/* Read NBYTES into BUF from FD at the given position OFFSET without
+ changing the file pointer. Return the number read, -1 for errors
+ or 0 for EOF. */
+extern ssize_t __pread64 __P ((int __fd, __ptr_t __buf, size_t __nbytes,
+ __off64_t __offset));
+/* Write N bytes of BUF to FD at the given position OFFSET without
+ changing the file pointer. Return the number written, or -1. */
+extern ssize_t __pwrite64 __P ((int __fd, __const __ptr_t __buf, size_t __n,
+ __off64_t __offset));
+
+# ifndef __USE_FILE_OFFSET64
+extern ssize_t pread __P ((int __fd, __ptr_t __buf, size_t __nbytes,
+ __off_t __offset));
+extern ssize_t pwrite __P ((int __fd, __const __ptr_t __buf, size_t __n,
+ __off_t __offset));
+# else
+# ifdef __REDIRECT
+extern ssize_t __REDIRECT (pread, __P ((int __fd, __ptr_t __buf,
+ size_t __nbytes,__off64_t __offset)),
+ pread64);
+extern ssize_t __REDIRECT (pwrite, __P ((int __fd, __const __ptr_t __buf,
+ size_t __nbytes, __off64_t __offset)),
+ pwrite64);
+# else
+# define pread pread64
+# define pwrite pwrite64
+# endif
+# endif
+
+# ifdef __USE_LARGEFILE64
+extern ssize_t pread64 __P ((int __fd, __ptr_t __buf, size_t __nbytes,
+ __off64_t __offset));
+extern ssize_t pwrite64 __P ((int __fd, __const __ptr_t __buf, size_t __n,
+ __off64_t __offset));
+# endif
+#endif
+
+/* Create a one-way communication channel (pipe).
+ If successful, two file descriptors are stored in PIPEDES;
+ bytes written on PIPEDES[1] can be read from PIPEDES[0].
+ Returns 0 if successful, -1 if not. */
extern int pipe __P ((int __pipedes[2]));
+
+/* Schedule an alarm. In SECONDS seconds, the process will get a SIGALRM.
+ If SECONDS is zero, any currently scheduled alarm will be cancelled.
+ The function returns the number of seconds remaining until the last
+ alarm scheduled would have signaled, or zero if there wasn't one.
+ There is no return value to indicate an error, but you can set `errno'
+ to 0 and check its value after calling `alarm', and this might tell you.
+ The signal may come late due to processor scheduling. */
extern unsigned int alarm __P ((unsigned int __seconds));
+
+/* Make the process sleep for SECONDS seconds, or until a signal arrives
+ and is not ignored. The function returns the number of seconds less
+ than SECONDS which it actually slept (thus zero if it slept the full time).
+ If a signal handler does a `longjmp' or modifies the handling of the
+ SIGALRM signal while inside `sleep' call, the handling of the SIGALRM
+ signal afterwards is undefined. There is no return value to indicate
+ error, but if `sleep' returns SECONDS, it probably didn't work. */
extern unsigned int sleep __P ((unsigned int __seconds));
-extern void usleep __P ((unsigned long __microseconds));
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Set an alarm to go off (generating a SIGALRM signal) in VALUE
+ microseconds. If INTERVAL is nonzero, when the alarm goes off, the
+ timer is reset to go off every INTERVAL microseconds thereafter.
+ Returns the number of microseconds remaining before the alarm. */
+extern unsigned int ualarm __P ((unsigned int __value,
+ unsigned int __interval));
+
+/* Sleep USECONDS microseconds, or until a signal arrives that is not blocked
+ or ignored. */
+extern void usleep __P ((unsigned int __useconds));
+#endif
+
+
+/* Suspend the process until a signal arrives.
+ This always returns -1 and sets `errno' to EINTR. */
extern int pause __P ((void));
-extern char* crypt __P((__const char *__key, __const char *__salt));
-extern int isatty __P ((int __fd));
-extern char *ttyname __P ((int __fd));
-extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
-extern int link __P ((__const char *__from, __const char *__to));
-extern int symlink __P ((__const char *__from, __const char *__to));
-extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
-extern int unlink __P ((__const char *__name));
+
+
+/* Change the owner and group of FILE. */
+extern int chown __P ((__const char *__file, __uid_t __owner,
+ __gid_t __group));
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Change the owner and group of the file that FD is open on. */
+extern int fchown __P ((int __fd, __uid_t __owner, __gid_t __group));
+
+
+/* Change owner and group of FILE, if it is a symbolic
+ link the ownership of the symbolic link is changed. */
+extern int lchown __P ((__const char *__file, __uid_t __owner,
+ __gid_t __group));
+
+#endif /* Use BSD || X/Open Unix. */
+
+/* Change the process's working directory to PATH. */
+extern int chdir __P ((__const char *__path));
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Change the process's working directory to the one FD is open on. */
+extern int fchdir __P ((int __fd));
+#endif
+
+/* Get the pathname of the current working directory,
+ and put it in SIZE bytes of BUF. Returns NULL if the
+ directory couldn't be determined or SIZE was too small.
+ If successful, returns BUF. In GNU, if BUF is NULL,
+ an array is allocated with `malloc'; the array is SIZE
+ bytes long, unless SIZE == 0, in which case it is as
+ big as necessary. */
extern char *getcwd __P ((char *__buf, size_t __size));
+
+#ifdef __USE_GNU
+/* Return a malloc'd string containing the current directory name.
+ If the environment variable `PWD' is set, and its value is correct,
+ that value is used. */
+extern char *get_current_dir_name __P ((void));
+#endif
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Put the absolute pathname of the current working directory in BUF.
+ If successful, return BUF. If not, put an error message in
+ BUF and return NULL. BUF should be at least PATH_MAX bytes long. */
+extern char *getwd __P ((char *__buf));
+#endif
+
+
/* Duplicate FD, returning a new file descriptor on the same file. */
extern int dup __P ((int __fd));
+
/* Duplicate FD to FD2, closing FD2 and making it open on the same file. */
extern int dup2 __P ((int __fd, int __fd2));
-extern int fchdir __P ((int __fd));
-extern int chdir __P ((__const char *__path));
-extern int chown __P ((__const char *__file,
- uid_t __owner, gid_t __group));
-extern int fchown __P ((int __fd,
- uid_t __owner, gid_t __group));
+/* NULL-terminated array of "NAME=VALUE" environment variables. */
+extern char **__environ;
+#ifdef __USE_GNU
+extern char **environ;
+#endif
-extern int fsync __P ((int __fd));
-extern int sync __P ((void));
+/* Replace the current process, executing PATH with arguments ARGV and
+ environment ENVP. ARGV and ENVP are terminated by NULL pointers. */
+extern int execve __P ((__const char *__path, char *__const __argv[],
+ char *__const __envp[]));
-extern int rmdir __P ((__const char *__path));
+#ifdef __USE_GNU
+/* Execute the file FD refers to, overlaying the running program image.
+ ARGV and ENVP are passed to the new program, as for `execve'. */
+extern int fexecve __P ((int __fd,
+ char *__const __argv[], char *__const __envp[]));
-extern int rename __P((__const char* _old, __const char* _new));
+#endif
-extern int access __P ((__const char *__name, int __type));
-extern int reboot __P ((int __magic, int __magic_too, int __flag));
+/* Execute PATH with arguments ARGV and environment from `environ'. */
+extern int execv __P ((__const char *__path, char *__const __argv[]));
-extern int mkstemp __P ((char * __template));
-extern char * mktemp __P ((char * __template));
+/* Execute PATH with all arguments after PATH until a NULL pointer,
+ and the argument after that for environment. */
+extern int execle __P ((__const char *__path, __const char *__arg, ...));
-extern int _clone __P ((int (*fn)(void *arg), void *child_stack, int flags, void *arg));
+/* Execute PATH with all arguments after PATH until
+ a NULL pointer and environment from `environ'. */
+extern int execl __P ((__const char *__path, __const char *__arg, ...));
-/* Return the current machine's Internet number. */
-extern long int gethostid __P ((void));
+/* Execute FILE, searching in the `PATH' environment variable if it contains
+ no slashes, with arguments ARGV and environment from `environ'. */
+extern int execvp __P ((__const char *__file, char *__const __argv[]));
-/* Put the name of the current host in no more than LEN bytes of NAME.
- The result is null-terminated if LEN is large enough for the full
- name and the terminator. */
-extern int gethostname __P ((char *__name, size_t __len));
+/* Execute FILE, searching in the `PATH' environment variable if
+ it contains no slashes, with all arguments after FILE until a
+ NULL pointer and environment from `environ'. */
+extern int execlp __P ((__const char *__file, __const char *__arg, ...));
-/* Set the name of the current host to NAME, which is LEN bytes long.
- This call is restricted to the super-user. */
-extern int sethostname __P ((__const char *__name, size_t __len));
+#if defined __USE_MISC || defined __USE_XOPEN
+/* Add INC to priority of the current process. */
+extern int nice __P ((int __inc));
+#endif
-/* Set the user ID of the calling process to UID.
- If the calling process is the super-user, set the real
- and effective user IDs, and the saved set-user-ID to UID;
- if not, the effective user ID is set to UID. */
-extern int setuid __P ((__uid_t __uid));
+
+/* Terminate program execution with the low-order 8 bits of STATUS. */
+extern void _exit __PMT ((int __status)) __attribute__ ((__noreturn__));
+
+
+/* Get the `_PC_*' symbols for the NAME argument to `pathconf' and `fpathconf';
+ the `_SC_*' symbols for the NAME argument to `sysconf';
+ and the `_CS_*' symbols for the NAME argument to `confstr'. */
+#include <bits/confname.h>
+
+/* Get file-specific configuration information about PATH. */
+extern long int pathconf __P ((__const char *__path, int __name));
+
+/* Get file-specific configuration about descriptor FD. */
+extern long int fpathconf __P ((int __fd, int __name));
+
+/* Get the value of the system variable NAME. */
+extern long int sysconf __P ((int __name));
+
+#ifdef __USE_POSIX2
+/* Get the value of the string-valued system variable NAME. */
+extern size_t confstr __P ((int __name, char *__buf, size_t __len));
+#endif
+
+
+/* Get the process ID of the calling process. */
+extern __pid_t __getpid __P ((void));
+extern __pid_t getpid __P ((void));
+
+/* Get the process ID of the calling process's parent. */
+extern __pid_t getppid __P ((void));
+
+/* Get the process group ID of the calling process.
+ This function is different on old BSD. */
+#ifndef __FAVOR_BSD
+extern __pid_t getpgrp __P ((void));
+#else
+# ifdef __REDIRECT
+extern __pid_t __REDIRECT (getpgrp, __P ((__pid_t __pid)), __getpgid);
+# else
+# define getpgrp __getpgid
+# endif
+#endif
+
+/* Get the process group ID of process PID. */
+extern __pid_t __getpgid __P ((__pid_t __pid));
+#ifdef __USE_XOPEN_EXTENDED
+extern __pid_t getpgid __P ((__pid_t __pid));
+#endif
+
+
+/* Set the process group ID of the process matching PID to PGID.
+ If PID is zero, the current process's process group ID is set.
+ If PGID is zero, the process ID of the process is used. */
+extern int __setpgid __P ((__pid_t __pid, __pid_t __pgid));
+extern int setpgid __P ((__pid_t __pid, __pid_t __pgid));
+
+#if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Both System V and BSD have `setpgrp' functions, but with different
+ calling conventions. The BSD function is the same as POSIX.1 `setpgid'
+ (above). The System V function takes no arguments and puts the calling
+ process in its on group like `setpgid (0, 0)'.
+
+ New programs should always use `setpgid' instead.
+
+ The default in GNU is to provide the System V function. The BSD
+ function is available under -D_BSD_SOURCE. */
+
+# ifndef __FAVOR_BSD
+
+/* Set the process group ID of the calling process to its own PID.
+ This is exactly the same as `setpgid (0, 0)'. */
+extern int setpgrp __P ((void));
+
+# else
+
+/* Another name for `setpgid' (above). */
+# ifdef __REDIRECT
+extern int __REDIRECT (setpgrp, __P ((__pid_t __pid, __pid_t __pgrp)),
+ setpgid);
+# else
+# define setpgrp setpgid
+# endif
+
+# endif /* Favor BSD. */
+#endif /* Use SVID or BSD. */
/* Create a new session with the calling process as its leader.
The process group IDs of the session and the calling process
are set to the process ID of the calling process, which is returned. */
extern __pid_t setsid __P ((void));
+#ifdef __USE_XOPEN_EXTENDED
+/* Return the session ID of the given process. */
+extern __pid_t getsid __P ((__pid_t __pid));
+#endif
+
/* Get the real user ID of the calling process. */
extern __uid_t getuid __P ((void));
/* Get the effective group ID of the calling process. */
extern __gid_t getegid __P ((void));
+/* If SIZE is zero, return the number of supplementary groups
+ the calling process is in. Otherwise, fill in the group IDs
+ of its supplementary groups in LIST and return the number written. */
+extern int getgroups __P ((int __size, __gid_t __list[]));
+
+#ifdef __USE_GNU
+/* Return nonzero iff the calling process is in group GID. */
+extern int group_member __P ((__gid_t __gid));
+#endif
+
+/* Set the user ID of the calling process to UID.
+ If the calling process is the super-user, set the real
+ and effective user IDs, and the saved set-user-ID to UID;
+ if not, the effective user ID is set to UID. */
+extern int setuid __P ((__uid_t __uid));
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
/* Set the real user ID of the calling process to RUID,
and the effective user ID of the calling process to EUID. */
extern int setreuid __P ((__uid_t __ruid, __uid_t __euid));
+#endif
+
+#ifdef __USE_BSD
+/* Set the effective user ID of the calling process to UID. */
+extern int seteuid __P ((__uid_t __uid));
+#endif /* Use BSD. */
+
+/* Set the group ID of the calling process to GID.
+ If the calling process is the super-user, set the real
+ and effective group IDs, and the saved set-group-ID to GID;
+ if not, the effective group ID is set to GID. */
+extern int setgid __P ((__gid_t __gid));
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
/* Set the real group ID of the calling process to RGID,
and the effective group ID of the calling process to EGID. */
extern int setregid __P ((__gid_t __rgid, __gid_t __egid));
+#endif
-/* If SIZE is zero, return the number of supplementary groups
- the calling process is in. Otherwise, fill in the group IDs
- of its supplementary groups in LIST and return the number written. */
-extern int getgroups __P ((int __size, __gid_t __list[]));
+#ifdef __USE_BSD
+/* Set the effective group ID of the calling process to GID. */
+extern int setegid __P ((__gid_t __gid));
+#endif /* Use BSD. */
+/* Clone the calling process, creating an exact copy.
+ Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+extern __pid_t __fork __P ((void));
+extern __pid_t fork __P ((void));
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Clone the calling process, but without copying the whole address space.
+ The calling process is suspended until the new process exits or is
+ replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+extern __pid_t vfork __P ((void));
+#endif /* Use BSD. */
+
+
+/* Return the pathname of the terminal FD is open on, or NULL on errors.
+ The returned storage is good only until the next call to this function. */
+extern char *ttyname __P ((int __fd));
+
+/* Store at most BUFLEN characters of the pathname of the terminal FD is
+ open on in BUF. Return 0 on success, otherwise an error number. */
+extern int ttyname_r __P ((int __fd, char *__buf, size_t __buflen));
+
+/* Return 1 if FD is a valid descriptor associated
+ with a terminal, zero if not. */
+extern int isatty __P ((int __fd));
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Return the index into the active-logins file (utmp) for
+ the controlling terminal. */
+extern int ttyslot __P ((void));
+#endif
+
+
+/* Make a link to FROM named TO. */
+extern int link __P ((__const char *__from, __const char *__to));
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Make a symbolic link to FROM named TO. */
+extern int symlink __P ((__const char *__from, __const char *__to));
+
+/* Read the contents of the symbolic link PATH into no more than
+ LEN bytes of BUF. The contents are not null-terminated.
+ Returns the number of characters read, or -1 for errors. */
+extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
+#endif /* Use BSD. */
+
+/* Remove the link NAME. */
+extern int unlink __P ((__const char *__name));
+
+/* Remove the directory PATH. */
+extern int rmdir __P ((__const char *__path));
+
/* Return the foreground process group ID of FD. */
extern __pid_t tcgetpgrp __P ((int __fd));
+
/* Set the foreground process group ID of FD set PGRP_ID. */
extern int tcsetpgrp __P ((int __fd, __pid_t __pgrp_id));
-/* Get the process group ID of the calling process.
- This function is different on old BSD. */
-extern __pid_t getpgrp __P ((void));
-/* Set the process group ID of the process matching PID to PGID.
- If PID is zero, the current process's process group ID is set.
- If PGID is zero, the process ID of the process is used. */
-extern int setpgid __P ((__pid_t __pid, __pid_t __pgid));
-/* Get the process ID of the calling process. */
-extern __pid_t getpid __P ((void));
+/* Return the login name of the user. */
+extern char *getlogin __P ((void));
+#ifdef __USE_REENTRANT
+/* Return at most NAME_LEN characters of the login name of the user in NAME.
+ If it cannot be determined or some other error occurred, return the error
+ code. Otherwise return 0. */
+extern int getlogin_r __P ((char *__name, size_t __name_len));
+#endif
+
+#ifdef __USE_BSD
+/* Set the login name returned by `getlogin'. */
+extern int setlogin __P ((__const char *__name));
+#endif
+
+
+#ifdef __USE_POSIX2
+/* Get definitions and prototypes for functions to process the
+ arguments in ARGV (ARGC of them, minus the program name) for
+ options given in OPTS. */
+# define __need_getopt
+# include <getopt.h>
+#endif
+
+
+#if defined __USE_BSD || defined __USE_XOPEN
+
+/* Put the name of the current host in no more than LEN bytes of NAME.
+ The result is null-terminated if LEN is large enough for the full
+ name and the terminator. */
+extern int gethostname __P ((char *__name, size_t __len));
+
+/* Set the name of the current host to NAME, which is LEN bytes long.
+ This call is restricted to the super-user. */
+extern int sethostname __P ((__const char *__name, size_t __len));
+
+/* Set the current machine's Internet number to ID.
+ This call is restricted to the super-user. */
+extern int sethostid __P ((long int __id));
+
+
+/* Get and set the NIS (aka YP) domain name, if any.
+ Called just like `gethostname' and `sethostname'.
+ The NIS domain name is usually the empty string when not using NIS. */
+extern int getdomainname __P ((char *__name, size_t __len));
+extern int setdomainname __P ((__const char *__name, size_t __len));
+
+
+/* Make all changes done to FD actually appear on disk. */
+extern int fsync __P ((int __fd));
+/* Revoke access permissions to all processes currently communicating
+ with the control terminal, and then send a SIGHUP signal to the process
+ group of the control terminal. */
+extern int vhangup __P ((void));
+/* Revoke the access of all descriptors currently open on FILE. */
+extern int revoke __P ((__const char *__file));
+
+
+/* Enable statistical profiling, writing samples of the PC into at most
+ SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling
+ is enabled, the system examines the user PC and increments
+ SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero,
+ disable profiling. Returns zero on success, -1 on error. */
+extern int profil __P ((unsigned short int *__sample_buffer, size_t __size,
+ size_t __offset, unsigned int __scale));
+
+
+/* Turn accounting on if NAME is an existing file. The system will then write
+ a record for each process as it terminates, to this file. If NAME is NULL,
+ turn accounting off. This call is restricted to the super-user. */
+extern int acct __P ((__const char *__name));
/* Make PATH be the root directory (the starting point for absolute paths).
This call is restricted to the super-user. */
extern int chroot __P ((__const char *__path));
-/* Execute PATH with all arguments after PATH until
- a NULL pointer and environment from `environ'. */
-extern int execl __P ((__const char *__path, __const char *__arg, ...));
-/* Execute FILE, searching in the `PATH' environment variable if
- it contains no slashes, with all arguments after FILE until a
- NULL pointer and environment from `environ'. */
-extern int execlp __P ((__const char *__file, __const char *__arg, ...));
+/* Successive calls return the shells listed in `/etc/shells'. */
+extern char *getusershell __P ((void));
+extern void endusershell __P ((void)); /* Discard cached info. */
+extern void setusershell __P ((void)); /* Rewind and re-read the file. */
-/* Execute PATH with arguments ARGV and environment from `environ'. */
-extern int execv __P ((__const char *__path, char *__const __argv[]));
-/* Replace the current process, executing PATH with arguments ARGV and
- environment ENVP. ARGV and ENVP are terminated by NULL pointers. */
-extern int execve __P ((__const char *__path, char *__const __argv[],
- char *__const __envp[]));
-/* Execute FILE, searching in the `PATH' environment variable if it contains
- no slashes, with arguments ARGV and environment from `environ'. */
-extern int execvp __P ((__const char *__file, char *__const __argv[]));
+/* Prompt with PROMPT and read a string from the terminal without echoing.
+ Uses /dev/tty if possible; otherwise stderr and stdin. */
+extern char *getpass __P ((__const char *__prompt));
+/* Put the program in the background, and dissociate from the controlling
+ terminal. If NOCHDIR is zero, do `chdir ("/")'. If NOCLOSE is zero,
+ redirects stdin, stdout, and stderr to /dev/null. */
+extern int daemon __P ((int __nochdir, int __noclose));
-/* Execute PATH with arguments ARGV and environment ENVP. */
-extern int execvep __P ((__const char *path, char *__const __argv[],
- char *__const __envp[]));
+#endif /* Use BSD || X/Open. */
-/* Terminate program execution with the low-order 8 bits of STATUS. */
-extern void _exit __P ((int __status)) __attribute__ ((__noreturn__));
-/* Clone the calling process, creating an exact copy.
- * Return -1 for errors, 0 to the new process,
- * and the process ID of the new process to the old process. */
-extern __pid_t fork __P ((void));
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+
+/* Return the current machine's Internet number. */
+extern long int gethostid __P ((void));
+
+/* Make all changes done to all files actually appear on disk. */
+extern int sync __P ((void));
-/* Clone the calling process, but without copying the whole address space.
- * The calling process is suspended until the new process exits or is
- * replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
- * and the process ID of the new process to the old process. */
-extern __pid_t vfork __P ((void));
/* Return the number of bytes in a page. This is the system's page size,
which is not necessarily the same as the hardware page size. */
+extern int __getpagesize __P ((void)) __attribute__ ((__const__));
extern int getpagesize __P ((void)) __attribute__ ((__const__));
-extern int truncate __P ((const char *path, off_t length));
-extern int ftruncate __P ((int fd, off_t length));
+/* Truncate FILE to LENGTH bytes. */
+#ifndef __USE_FILE_OFFSET64
+extern int truncate __P ((__const char *__file, __off_t __length));
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (truncate,
+ __P ((__const char *__file, __off64_t __length)),
+ truncate64);
+# else
+# define truncate truncate64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int truncate64 __P ((__const char *__file, __off64_t __length));
+#endif
+
+/* Truncate the file FD is open on to LENGTH bytes. */
+extern int __ftruncate __P ((int __fd, __off_t __length));
+#ifndef __USE_FILE_OFFSET64
+extern int ftruncate __P ((int __fd, __off_t __length));
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (ftruncate, __P ((int __fd, __off64_t __length)),
+ ftruncate64);
+# else
+# define ftruncate ftruncate64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int ftruncate64 __P ((int __fd, __off64_t __length));
+#endif
+
+
+/* Return the maximum number of file descriptors
+ the current process could possibly have. */
+extern int getdtablesize __P ((void));
+
+#endif /* Use BSD || X/Open Unix. */
+
+
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
+
+/* Set the end of accessible data space (aka "the break") to ADDR.
+ Returns zero on success and -1 for errors (with errno set). */
+extern int brk __P ((__ptr_t __addr));
+
+# define __need_ptrdiff_t
+# include <stddef.h>
+
+/* Increase or decrease the end of accessible data space by DELTA bytes.
+ If successful, returns the address the previous end of data space
+ (i.e. the beginning of the new space, if DELTA > 0);
+ returns (void *) -1 for errors (with errno set). */
+extern __ptr_t __sbrk __P ((ptrdiff_t __delta));
+extern __ptr_t sbrk __P ((ptrdiff_t __delta));
+#endif
+
+
+#ifdef __USE_MISC
+/* Invoke `system call' number SYSNO, passing it the remaining arguments.
+ This is completely system-dependent, and not often useful.
+
+ In Unix, `syscall' sets `errno' for all errors and most calls return -1
+ for errors; in many systems you cannot pass arguments or get return
+ values for all system calls (`pipe', `fork', and `getppid' typically
+ among them).
+
+ In Mach, all system calls take normal arguments and always return an
+ error code (zero for success). */
+extern long int syscall __P ((long int __sysno, ...));
+
+#endif /* Use misc. */
+
+
+#if (defined __USE_MISC || defined __USE_XOPEN_EXTENDED) && !defined F_LOCK
+/* NOTE: These declarations also appear in <fcntl.h>; be sure to keep both
+ files consistent. Some systems have them there and some here, and some
+ software depends on the macros being defined without including both. */
+
+/* `lockf' is a simpler interface to the locking facilities of `fcntl'.
+ LEN is always relative to the current file position.
+ The CMD argument is one of the following. */
+
+# define F_ULOCK 0 /* Unlock a previously locked region. */
+# define F_LOCK 1 /* Lock a region for exclusive use. */
+# define F_TLOCK 2 /* Test and lock a region for exclusive use. */
+# define F_TEST 3 /* Test a region for other processes locks. */
+
+# ifndef __USE_FILE_OFFSET64
+extern int lockf __P ((int __fd, int __cmd, __off_t __len));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (lockf, __P ((int __fd, int __cmd, __off64_t __len)),
+ lockf64);
+# else
+# define lockf lockf64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int lockf64 __P ((int __fd, int __cmd, __off64_t __len));
+# endif
+#endif /* Use misc and F_LOCK not already defined. */
+
+
+#ifdef __USE_GNU
+
+/* Evaluate EXPRESSION, and repeat as long as it returns -1 with `errno'
+ set to EINTR. */
+
+# define TEMP_FAILURE_RETRY(expression) \
+ (__extension__ \
+ ({ long int __result; \
+ do __result = (long int) (expression); \
+ while (__result == -1L && errno == EINTR); \
+ __result; })) \
+
+
+/* This variable is set nonzero at startup if the process's effective
+ IDs differ from its real IDs, or it is otherwise indicated that
+ extra security should be used. When this is set the dynamic linker
+ and some functions contained in the C library ignore various
+ environment variables that normally affect them. */
+extern int __libc_enable_secure;
-#ifdef __USE_POSIX2
-/* Get definitions and prototypes for functions to process the
- arguments in ARGV (ARGC of them, minus the program name) for
- options given in OPTS. */
-# define __need_getopt
-# include <getopt.h>
#endif
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+/* Synchronize at least the data part of a file with the underlying
+ media. */
+extern int fdatasync __P ((int __fildes));
+#endif /* Use POSIX199309 */
+
+
+/* XPG4.2 specifies that prototypes for the encryption functions must
+ be defined here. */
+#ifdef __USE_XOPEN
+/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
+extern char *crypt __P ((__const char *__key, __const char *__salt));
+
+/* Setup DES tables according KEY. */
+extern void setkey __P ((__const char *__key));
+
+/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
+ block in place. */
+extern void encrypt __P ((char *__block, int __edflag));
-#ifndef SEEK_SET
-#define SEEK_SET 0
-#define SEEK_CUR 1
-#define SEEK_END 2
+
+/* Swab pairs bytes in the first N bytes of the area pointed to by
+ FROM and copy the result to TO. The value of TO must not be in the
+ range [FROM - N + 1, FROM - 1]. If N is odd the first byte in FROM
+ is without partner. */
+extern void swab __P ((__const __ptr_t __from, __ptr_t __to, ssize_t __n));
#endif
-#ifndef R_OK
-#define R_OK 4 /* Test for read permission. */
-#define W_OK 2 /* Test for write permission. */
-#define X_OK 1 /* Test for execute permission. */
-#define F_OK 0 /* Test for existence. */
+
+/* The Single Unix specification, version 2, demands these prototypes
+ to be here. They are also found in <stdio.h>. */
+#ifdef __USE_XOPEN
+/* Return the name of the controlling terminal. */
+extern char *ctermid __P ((char *__s));
+
+/* Return the name of the current user. This function should not be
+ used and might go away some time. */
+extern char *cuserid __P ((char *__s));
+
+/* Rename file OLD to NEW. */
+extern int rename __P ((__const char *__old, __const char *__new));
#endif
-#endif /* __UNISTD_H */
+#ifdef __USE_POSIX199309
+/* This function is only available if the system has POSIX threads. */
+
+/* Install handlers to be called when a new process is created with FORK.
+ The PREPARE handler is called in the parent process just before performing
+ FORK. The PARENT handler is called in the parent process just after FORK.
+ The CHILD handler is called in the child process. Each of the three
+ handlers can be NULL, meaning that no handler needs to be called at that
+ point.
+ PTHREAD_ATFORK can be called several times, in which case the PREPARE
+ handlers are called in LIFO order (last added with PTHREAD_ATFORK,
+ first called before FORK), and the PARENT and CHILD handlers are called
+ in FIFO (first added, first called). */
+extern int pthread_atfork __P ((void (*__prepare) (void),
+ void (*__parent) (void),
+ void (*__child) (void)));
+#endif
+
+__END_DECLS
+#endif /* unistd.h */
--- /dev/null
+/* `sysconf', `pathconf', and `confstr' NAME values. Generic version.
+ Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _UNISTD_H
+# error "Never use <bits/confname.h> directly; include <unistd.h> instead."
+#endif
+
+/* Values for the NAME argument to `pathconf' and `fpathconf'. */
+enum
+ {
+ _PC_LINK_MAX,
+#define _PC_LINK_MAX _PC_LINK_MAX
+ _PC_MAX_CANON,
+#define _PC_MAX_CANON _PC_MAX_CANON
+ _PC_MAX_INPUT,
+#define _PC_MAX_INPUT _PC_MAX_INPUT
+ _PC_NAME_MAX,
+#define _PC_NAME_MAX _PC_NAME_MAX
+ _PC_PATH_MAX,
+#define _PC_PATH_MAX _PC_PATH_MAX
+ _PC_PIPE_BUF,
+#define _PC_PIPE_BUF _PC_PIPE_BUF
+ _PC_CHOWN_RESTRICTED,
+#define _PC_CHOWN_RESTRICTED _PC_CHOWN_RESTRICTED
+ _PC_NO_TRUNC,
+#define _PC_NO_TRUNC _PC_NO_TRUNC
+ _PC_VDISABLE,
+#define _PC_VDISABLE _PC_VDISABLE
+ _PC_SYNC_IO,
+#define _PC_SYNC_IO _PC_SYNC_IO
+ _PC_ASYNC_IO,
+#define _PC_ASYNC_IO _PC_ASYNC_IO
+ _PC_PRIO_IO,
+#define _PC_PRIO_IO _PC_PRIO_IO
+ _PC_SOCK_MAXBUF,
+#define _PC_SOCK_MAXBUF _PC_SOCK_MAXBUF
+ _PC_FILESIZEBITS
+#define _PC_FILESIZEBITS _PC_FILESIZEBITS
+ };
+
+/* Values for the argument to `sysconf'. */
+enum
+ {
+ _SC_ARG_MAX,
+#define _SC_ARG_MAX _SC_ARG_MAX
+ _SC_CHILD_MAX,
+#define _SC_CHILD_MAX _SC_CHILD_MAX
+ _SC_CLK_TCK,
+#define _SC_CLK_TCK _SC_CLK_TCK
+ _SC_NGROUPS_MAX,
+#define _SC_NGROUPS_MAX _SC_NGROUPS_MAX
+ _SC_OPEN_MAX,
+#define _SC_OPEN_MAX _SC_OPEN_MAX
+ _SC_STREAM_MAX,
+#define _SC_STREAM_MAX _SC_STREAM_MAX
+ _SC_TZNAME_MAX,
+#define _SC_TZNAME_MAX _SC_TZNAME_MAX
+ _SC_JOB_CONTROL,
+#define _SC_JOB_CONTROL _SC_JOB_CONTROL
+ _SC_SAVED_IDS,
+#define _SC_SAVED_IDS _SC_SAVED_IDS
+ _SC_REALTIME_SIGNALS,
+#define _SC_REALTIME_SIGNALS _SC_REALTIME_SIGNALS
+ _SC_PRIORITY_SCHEDULING,
+#define _SC_PRIORITY_SCHEDULING _SC_PRIORITY_SCHEDULING
+ _SC_TIMERS,
+#define _SC_TIMERS _SC_TIMERS
+ _SC_ASYNCHRONOUS_IO,
+#define _SC_ASYNCHRONOUS_IO _SC_ASYNCHRONOUS_IO
+ _SC_PRIORITIZED_IO,
+#define _SC_PRIORITIZED_IO _SC_PRIORITIZED_IO
+ _SC_SYNCHRONIZED_IO,
+#define _SC_SYNCHRONIZED_IO _SC_SYNCHRONIZED_IO
+ _SC_FSYNC,
+#define _SC_FSYNC _SC_FSYNC
+ _SC_MAPPED_FILES,
+#define _SC_MAPPED_FILES _SC_MAPPED_FILES
+ _SC_MEMLOCK,
+#define _SC_MEMLOCK _SC_MEMLOCK
+ _SC_MEMLOCK_RANGE,
+#define _SC_MEMLOCK_RANGE _SC_MEMLOCK_RANGE
+ _SC_MEMORY_PROTECTION,
+#define _SC_MEMORY_PROTECTION _SC_MEMORY_PROTECTION
+ _SC_MESSAGE_PASSING,
+#define _SC_MESSAGE_PASSING _SC_MESSAGE_PASSING
+ _SC_SEMAPHORES,
+#define _SC_SEMAPHORES _SC_SEMAPHORES
+ _SC_SHARED_MEMORY_OBJECTS,
+#define _SC_SHARED_MEMORY_OBJECTS _SC_SHARED_MEMORY_OBJECTS
+ _SC_AIO_LISTIO_MAX,
+#define _SC_AIO_LISTIO_MAX _SC_AIO_LISTIO_MAX
+ _SC_AIO_MAX,
+#define _SC_AIO_MAX _SC_AIO_MAX
+ _SC_AIO_PRIO_DELTA_MAX,
+#define _SC_AIO_PRIO_DELTA_MAX _SC_AIO_PRIO_DELTA_MAX
+ _SC_DELAYTIMER_MAX,
+#define _SC_DELAYTIMER_MAX _SC_DELAYTIMER_MAX
+ _SC_MQ_OPEN_MAX,
+#define _SC_MQ_OPEN_MAX _SC_MQ_OPEN_MAX
+ _SC_MQ_PRIO_MAX,
+#define _SC_MQ_PRIO_MAX _SC_MQ_PRIO_MAX
+ _SC_VERSION,
+#define _SC_VERSION _SC_VERSION
+ _SC_PAGESIZE,
+#define _SC_PAGESIZE _SC_PAGESIZE
+#define _SC_PAGE_SIZE _SC_PAGESIZE
+ _SC_RTSIG_MAX,
+#define _SC_RTSIG_MAX _SC_RTSIG_MAX
+ _SC_SEM_NSEMS_MAX,
+#define _SC_SEM_NSEMS_MAX _SC_SEM_NSEMS_MAX
+ _SC_SEM_VALUE_MAX,
+#define _SC_SEM_VALUE_MAX _SC_SEM_VALUE_MAX
+ _SC_SIGQUEUE_MAX,
+#define _SC_SIGQUEUE_MAX _SC_SIGQUEUE_MAX
+ _SC_TIMER_MAX,
+#define _SC_TIMER_MAX _SC_TIMER_MAX
+
+ /* Values for the argument to `sysconf'
+ corresponding to _POSIX2_* symbols. */
+ _SC_BC_BASE_MAX,
+#define _SC_BC_BASE_MAX _SC_BC_BASE_MAX
+ _SC_BC_DIM_MAX,
+#define _SC_BC_DIM_MAX _SC_BC_DIM_MAX
+ _SC_BC_SCALE_MAX,
+#define _SC_BC_SCALE_MAX _SC_BC_SCALE_MAX
+ _SC_BC_STRING_MAX,
+#define _SC_BC_STRING_MAX _SC_BC_STRING_MAX
+ _SC_COLL_WEIGHTS_MAX,
+#define _SC_COLL_WEIGHTS_MAX _SC_COLL_WEIGHTS_MAX
+ _SC_EQUIV_CLASS_MAX,
+#define _SC_EQUIV_CLASS_MAX _SC_EQUIV_CLASS_MAX
+ _SC_EXPR_NEST_MAX,
+#define _SC_EXPR_NEST_MAX _SC_EXPR_NEST_MAX
+ _SC_LINE_MAX,
+#define _SC_LINE_MAX _SC_LINE_MAX
+ _SC_RE_DUP_MAX,
+#define _SC_RE_DUP_MAX _SC_RE_DUP_MAX
+ _SC_CHARCLASS_NAME_MAX,
+#define _SC_CHARCLASS_NAME_MAX _SC_CHARCLASS_NAME_MAX
+
+ _SC_2_VERSION,
+#define _SC_2_VERSION _SC_2_VERSION
+ _SC_2_C_BIND,
+#define _SC_2_C_BIND _SC_2_C_BIND
+ _SC_2_C_DEV,
+#define _SC_2_C_DEV _SC_2_C_DEV
+ _SC_2_FORT_DEV,
+#define _SC_2_FORT_DEV _SC_2_FORT_DEV
+ _SC_2_FORT_RUN,
+#define _SC_2_FORT_RUN _SC_2_FORT_RUN
+ _SC_2_SW_DEV,
+#define _SC_2_SW_DEV _SC_2_SW_DEV
+ _SC_2_LOCALEDEF,
+#define _SC_2_LOCALEDEF _SC_2_LOCALEDEF
+
+ _SC_PII,
+#define _SC_PII _SC_PII
+ _SC_PII_XTI,
+#define _SC_PII_XTI _SC_PII_XTI
+ _SC_PII_SOCKET,
+#define _SC_PII_SOCKET _SC_PII_SOCKET
+ _SC_PII_INTERNET,
+#define _SC_PII_INTERNET _SC_PII_INTERNET
+ _SC_PII_OSI,
+#define _SC_PII_OSI _SC_PII_OSI
+ _SC_POLL,
+#define _SC_POLL _SC_POLL
+ _SC_SELECT,
+#define _SC_SELECT _SC_SELECT
+ _SC_UIO_MAXIOV,
+#define _SC_UIO_MAXIOV _SC_UIO_MAXIOV
+ _SC_PII_INTERNET_STREAM,
+#define _SC_PII_INTERNET_STREAM _SC_PII_INTERNET_STREAM
+ _SC_PII_INTERNET_DGRAM,
+#define _SC_PII_INTERNET_DGRAM _SC_PII_INTERNET_DGRAM
+ _SC_PII_OSI_COTS,
+#define _SC_PII_OSI_COTS _SC_PII_OSI_COTS
+ _SC_PII_OSI_CLTS,
+#define _SC_PII_OSI_CLTS _SC_PII_OSI_CLTS
+ _SC_PII_OSI_M,
+#define _SC_PII_OSI_M _SC_PII_OSI_M
+ _SC_T_IOV_MAX,
+#define _SC_T_IOV_MAX _SC_T_IOV_MAX
+
+ /* Values according to POSIX 1003.1c (POSIX threads). */
+ _SC_THREADS,
+#define _SC_THREADS _SC_THREADS
+ _SC_THREAD_SAFE_FUNCTIONS,
+#define _SC_THREAD_SAFE_FUNCTIONS _SC_THREAD_SAFE_FUNCTIONS
+ _SC_GETGR_R_SIZE_MAX,
+#define _SC_GETGR_R_SIZE_MAX _SC_GETGR_R_SIZE_MAX
+ _SC_GETPW_R_SIZE_MAX,
+#define _SC_GETPW_R_SIZE_MAX _SC_GETPW_R_SIZE_MAX
+ _SC_LOGIN_NAME_MAX,
+#define _SC_LOGIN_NAME_MAX _SC_LOGIN_NAME_MAX
+ _SC_TTY_NAME_MAX,
+#define _SC_TTY_NAME_MAX _SC_TTY_NAME_MAX
+ _SC_THREAD_DESTRUCTOR_ITERATIONS,
+#define _SC_THREAD_DESTRUCTOR_ITERATIONS _SC_THREAD_DESTRUCTOR_ITERATIONS
+ _SC_THREAD_KEYS_MAX,
+#define _SC_THREAD_KEYS_MAX _SC_THREAD_KEYS_MAX
+ _SC_THREAD_STACK_MIN,
+#define _SC_THREAD_STACK_MIN _SC_THREAD_STACK_MIN
+ _SC_THREAD_THREADS_MAX,
+#define _SC_THREAD_THREADS_MAX _SC_THREAD_THREADS_MAX
+ _SC_THREAD_ATTR_STACKADDR,
+#define _SC_THREAD_ATTR_STACKADDR _SC_THREAD_ATTR_STACKADDR
+ _SC_THREAD_ATTR_STACKSIZE,
+#define _SC_THREAD_ATTR_STACKSIZE _SC_THREAD_ATTR_STACKSIZE
+ _SC_THREAD_PRIORITY_SCHEDULING,
+#define _SC_THREAD_PRIORITY_SCHEDULING _SC_THREAD_PRIORITY_SCHEDULING
+ _SC_THREAD_PRIO_INHERIT,
+#define _SC_THREAD_PRIO_INHERIT _SC_THREAD_PRIO_INHERIT
+ _SC_THREAD_PRIO_PROTECT,
+#define _SC_THREAD_PRIO_PROTECT _SC_THREAD_PRIO_PROTECT
+ _SC_THREAD_PROCESS_SHARED,
+#define _SC_THREAD_PROCESS_SHARED _SC_THREAD_PROCESS_SHARED
+
+ _SC_NPROCESSORS_CONF,
+#define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF
+ _SC_NPROCESSORS_ONLN,
+#define _SC_NPROCESSORS_ONLN _SC_NPROCESSORS_ONLN
+ _SC_PHYS_PAGES,
+#define _SC_PHYS_PAGES _SC_PHYS_PAGES
+ _SC_AVPHYS_PAGES,
+#define _SC_AVPHYS_PAGES _SC_AVPHYS_PAGES
+ _SC_ATEXIT_MAX,
+#define _SC_ATEXIT_MAX _SC_ATEXIT_MAX
+ _SC_PASS_MAX,
+#define _SC_PASS_MAX _SC_PASS_MAX
+
+ _SC_XOPEN_VERSION,
+#define _SC_XOPEN_VERSION _SC_XOPEN_VERSION
+ _SC_XOPEN_XCU_VERSION,
+#define _SC_XOPEN_XCU_VERSION _SC_XOPEN_XCU_VERSION
+ _SC_XOPEN_UNIX,
+#define _SC_XOPEN_UNIX _SC_XOPEN_UNIX
+ _SC_XOPEN_CRYPT,
+#define _SC_XOPEN_CRYPT _SC_XOPEN_CRYPT
+ _SC_XOPEN_ENH_I18N,
+#define _SC_XOPEN_ENH_I18N _SC_XOPEN_ENH_I18N
+ _SC_XOPEN_SHM,
+#define _SC_XOPEN_SHM _SC_XOPEN_SHM
+
+ _SC_2_CHAR_TERM,
+#define _SC_2_CHAR_TERM _SC_2_CHAR_TERM
+ _SC_2_C_VERSION,
+#define _SC_2_C_VERSION _SC_2_C_VERSION
+ _SC_2_UPE,
+#define _SC_2_UPE _SC_2_UPE
+
+ _SC_XOPEN_XPG2,
+#define _SC_XOPEN_XPG2 _SC_XOPEN_XPG2
+ _SC_XOPEN_XPG3,
+#define _SC_XOPEN_XPG3 _SC_XOPEN_XPG3
+ _SC_XOPEN_XPG4,
+#define _SC_XOPEN_XPG4 _SC_XOPEN_XPG4
+
+ _SC_CHAR_BIT,
+#define _SC_CHAR_BIT _SC_CHAR_BIT
+ _SC_CHAR_MAX,
+#define _SC_CHAR_MAX _SC_CHAR_MAX
+ _SC_CHAR_MIN,
+#define _SC_CHAR_MIN _SC_CHAR_MIN
+ _SC_INT_MAX,
+#define _SC_INT_MAX _SC_INT_MAX
+ _SC_INT_MIN,
+#define _SC_INT_MIN _SC_INT_MIN
+ _SC_LONG_BIT,
+#define _SC_LONG_BIT _SC_LONG_BIT
+ _SC_WORD_BIT,
+#define _SC_WORD_BIT _SC_WORD_BIT
+ _SC_MB_LEN_MAX,
+#define _SC_MB_LEN_MAX _SC_MB_LEN_MAX
+ _SC_NZERO,
+#define _SC_NZERO _SC_NZERO
+ _SC_SSIZE_MAX,
+#define _SC_SSIZE_MAX _SC_SSIZE_MAX
+ _SC_SCHAR_MAX,
+#define _SC_SCHAR_MAX _SC_SCHAR_MAX
+ _SC_SCHAR_MIN,
+#define _SC_SCHAR_MIN _SC_SCHAR_MIN
+ _SC_SHRT_MAX,
+#define _SC_SHRT_MAX _SC_SHRT_MAX
+ _SC_SHRT_MIN,
+#define _SC_SHRT_MIN _SC_SHRT_MIN
+ _SC_UCHAR_MAX,
+#define _SC_UCHAR_MAX _SC_UCHAR_MAX
+ _SC_UINT_MAX,
+#define _SC_UINT_MAX _SC_UINT_MAX
+ _SC_ULONG_MAX,
+#define _SC_ULONG_MAX _SC_ULONG_MAX
+ _SC_USHRT_MAX,
+#define _SC_USHRT_MAX _SC_USHRT_MAX
+
+ _SC_NL_ARGMAX,
+#define _SC_NL_ARGMAX _SC_NL_ARGMAX
+ _SC_NL_LANGMAX,
+#define _SC_NL_LANGMAX _SC_NL_LANGMAX
+ _SC_NL_MSGMAX,
+#define _SC_NL_MSGMAX _SC_NL_MSGMAX
+ _SC_NL_NMAX,
+#define _SC_NL_NMAX _SC_NL_NMAX
+ _SC_NL_SETMAX,
+#define _SC_NL_SETMAX _SC_NL_SETMAX
+ _SC_NL_TEXTMAX,
+#define _SC_NL_TEXTMAX _SC_NL_TEXTMAX
+
+ _SC_XBS5_ILP32_OFF32,
+#define _SC_XBS5_ILP32_OFF32 _SC_XBS5_ILP32_OFF32
+ _SC_XBS5_ILP32_OFFBIG,
+#define _SC_XBS5_ILP32_OFFBIG _SC_XBS5_ILP32_OFFBIG
+ _SC_XBS5_LP64_OFF64,
+#define _SC_XBS5_LP64_OFF64 _SC_XBS5_LP64_OFF64
+ _SC_XBS5_LPBIG_OFFBIG,
+#define _SC_XBS5_LPBIG_OFFBIG _SC_XBS5_LPBIG_OFFBIG
+
+ _SC_XOPEN_LEGACY,
+#define _SC_XOPEN_LEGACY _SC_XOPEN_LEGACY
+ _SC_XOPEN_REALTIME,
+#define _SC_XOPEN_REALTIME _SC_XOPEN_REALTIME
+ _SC_XOPEN_REALTIME_THREADS
+#define _SC_XOPEN_REALTIME_THREADS _SC_XOPEN_REALTIME_THREADS
+ };
+
+#if (defined __USE_POSIX2 || defined __USE_UNIX98 \
+ || defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
+ || defined __USE_LARGEFILE)
+/* Values for the NAME argument to `confstr'. */
+enum
+ {
+ _CS_PATH /* The default search path. */
+#define _CS_PATH _CS_PATH
+
+#if (defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
+ || defined __USE_LARGEFILE)
+ ,
+ _CS_LFS_CFLAGS = 1000,
+# define _CS_LFS_CFLAGS _CS_LFS_CFLAGS
+ _CS_LFS_LDFLAGS,
+# define _CS_LFS_LDFLAGS _CS_LFS_LDFLAGS
+ _CS_LFS_LIBS,
+# define _CS_LFS_LIBS _CS_LFS_LIBS
+ _CS_LFS_LINTFLAGS,
+# define _CS_LFS_LINTFLAGS _CS_LFS_LINTFLAGS
+ _CS_LFS64_CFLAGS,
+# define _CS_LFS64_CFLAGS _CS_LFS64_CFLAGS
+ _CS_LFS64_LDFLAGS,
+# define _CS_LFS64_LDFLAGS _CS_LFS64_LDFLAGS
+ _CS_LFS64_LIBS,
+# define _CS_LFS64_LIBS _CS_LFS64_LIBS
+ _CS_LFS64_LINTFLAGS
+# define _CS_LFS64_LINTFLAGS _CS_LFS64_LINTFLAGS
+#endif
+
+#ifdef __USE_UNIX98
+ ,
+ _CS_XBS5_ILP32_OFF32_CFLAGS = 1100,
+# define _CS_XBS5_ILP32_OFF32_CFLAGS _CS_XBS5_ILP32_OFF32_CFLAGS
+ _CS_XBS5_ILP32_OFF32_LDFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LDFLAGS _CS_XBS5_ILP32_OFF32_LDFLAGS
+ _CS_XBS5_ILP32_OFF32_LIBS,
+# define _CS_XBS5_ILP32_OFF32_LIBS _CS_XBS5_ILP32_OFF32_LIBS
+ _CS_XBS5_ILP32_OFF32_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LINTFLAGS _CS_XBS5_ILP32_OFF32_LINTFLAGS
+ _CS_XBS5_ILP32_OFFBIG_CFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_CFLAGS _CS_XBS5_ILP32_OFFBIG_CFLAGS
+ _CS_XBS5_ILP32_OFFBIG_LDFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LDFLAGS _CS_XBS5_ILP32_OFFBIG_LDFLAGS
+ _CS_XBS5_ILP32_OFFBIG_LIBS,
+# define _CS_XBS5_ILP32_OFFBIG_LIBS _CS_XBS5_ILP32_OFFBIG_LIBS
+ _CS_XBS5_ILP32_OFFBIG_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
+ _CS_XBS5_LP64_OFF64_CFLAGS,
+# define _CS_XBS5_LP64_OFF64_CFLAGS _CS_XBS5_LP64_OFF64_CFLAGS
+ _CS_XBS5_LP64_OFF64_LDFLAGS,
+# define _CS_XBS5_LP64_OFF64_LDFLAGS _CS_XBS5_LP64_OFF64_LDFLAGS
+ _CS_XBS5_LP64_OFF64_LIBS,
+# define _CS_XBS5_LP64_OFF64_LIBS _CS_XBS5_LP64_OFF64_LIBS
+ _CS_XBS5_LP64_OFF64_LINTFLAGS,
+# define _CS_XBS5_LP64_OFF64_LINTFLAGS _CS_XBS5_LP64_OFF64_LINTFLAGS
+ _CS_XBS5_LPBIG_OFFBIG_CFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_CFLAGS _CS_XBS5_LPBIG_OFFBIG_CFLAGS
+ _CS_XBS5_LPBIG_OFFBIG_LDFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
+ _CS_XBS5_LPBIG_OFFBIG_LIBS,
+# define _CS_XBS5_LPBIG_OFFBIG_LIBS _CS_XBS5_LPBIG_OFFBIG_LIBS
+ _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+# define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+#endif
+ };
+#endif
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