Update.cvs/libc-ud-971014

1997-10-15 06:56  Ulrich Drepper  <drepper@cygnus.com>

	* Rules: Remove ruls to magically install <subdir>.h headers.
	Reported by Mark Kettenis <kettenis@phys.uva.nl>.

	* glibcbug.in: Fix @gnu.ai.mit.edu -> @gnu.org.
	* version.c: Likewise.
	* catgets/gencat.c: Likewise.
	* db2/makedb.c: Likewise.
	* locale/programs/locale.c: Likewise.
	* locale/programs/localedef.c: Likewise.

	* libc.map: Move _IO_list_all back to GLIBC_2.0.

	* elf/rtld.c: Provide name of running program to _dl_new_object.

	* Rules: Implement shared-only-sources.
	* include/libc-symbols.h: Define default_symbol_version.
	* libio/Makefile (shared-only-sources): Define.
	* libio/freopen.c: Define as default version.
	* libio/iofopen.c: Likewise.
	* libio/genops.c: Define _IO_list_all here.
	* libio/stdfiles.c: Create linked list with public names.
	* libio/oldstdfiles.c: Likewise.

	* stdio-common/printf.c: Optimize.
	* stdio-common/scanf.c: Optimize.

	* sysdeps/generic/setfpucw.c: Include #include <...> not "...".

	* sysdeps/i386/i486/bits/string.h: Add optimized versions of index and
	rindex.

1997-10-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* manual/arith.texi: Spelling fixes.
	* manual/conf.texi: Likewise.
	* manual/creature.texi: Likewise.
	* manual/filesys.texi: Likewise.
	* manual/intro.texi: Likewise.
	* manual/llio.texi: Likewise.
	* manual/math.texi: Likewise.
	* manual/message.texi: Likewise.
	* manual/pattern.texi: Likewise.
	* manual/search.texi: Likewise.
	* manual/signal.texi: Likewise.
	* manual/socket.texi: Likewise.
	* manual/startup.texi: Likewise.
	* manual/stdio.texi: Likewise.
	* manual/string.texi: Likewise.
	* manual/time.texi: Likewise.
	* manual/users.texi: Likewise.

1997-10-13 05:25  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/sys/mman.h: Use __ptr_t instead of __caddr_t.
	* sysdeps/unix/bsd/osf/sys/mman.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Likewise.
	* sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise.
	* sysdeps/unix/sysv/irix4/sys/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/mman.h: Likewise.
	* sysdeps/mach/hurd/mmap.c: Likewise.
	* sysdeps/generic/mmap.c: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/mmap.c: Likewise.
	* sysdeps/mach/munmap.c: Likewise.
	* sysdeps/generic/munmap.c: Likewise.
	* sysdeps/mach/mprotect.c: Likewise.
	* sysdeps/generic/mprotect.c: Likewise.
	* sysdeps/generic/msync.c: Likewise.
	* sysdeps/generic/madvise.c: Likewise.

	* sysdeps/unix/sysv/linux/madvise.c: Include stub version from generic
	subdir.

1997-10-12 20:27  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* sysdeps/stub (all files):  Moved to sysdeps/generic.
	* all files using stub_warning: Include <stub-tag.h>.
	* include/stub-tag.h: New file, marks stubs in .d files.
	* Makerules: Look for stub-tag.h, not sysdeps/stub, when building
	<gnu/stubs.h>.
	* configure.in: Don't add sysdeps/stub to $sysnames.
	* sysdeps/unix/Makefile: Look for generic headers, not stub
	headers.
	* sysdeps/generic/Makefile: Likewise.
	* manual/maint.texi: Delete references to sysdeps/stub.
	* INSTALL: Rebuilt.
	* configure: Rebuilt.

24 files changed, 844 insertions, 0 deletions

diff --git a/bits/dirent.h b/bits/dirent.h
new file mode 100644
index 0000000000..2f7dca78aa
--- /dev/null
+++ b/bits/dirent.h
@@ -0,0 +1,24 @@
+/* Directory entry structure `struct dirent'.  Stub version.
+   Copyright (C) 1996 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.  */
+
+struct dirent
+  {
+    char d_name[1];		/* Variable length.  */
+    int d_fileno;
+  };
diff --git a/bits/elfclass.h b/bits/elfclass.h
new file mode 100644
index 0000000000..1ad12954b2
--- /dev/null
+++ b/bits/elfclass.h
@@ -0,0 +1,8 @@
+/* This file specifies the native word size of the machine, which indicates
+   the ELF file class used for executables and shared objects on this
+   machine.  */
+
+#define __ELF_NATIVE_CLASS ??
+
+/* This file goes in sysdeps/wordsize-?? and sysdeps/MACHINE/Implies lists
+   wordsize-?? for MACHINE's wordsize.  */
diff --git a/bits/endian.h b/bits/endian.h
new file mode 100644
index 0000000000..597f079a0f
--- /dev/null
+++ b/bits/endian.h
@@ -0,0 +1,9 @@
+/* This file should define __BYTE_ORDER as appropriate for the machine
+   in question.  See string/endian.h for how to define it.
+
+   If only the stub bits/endian.h applies to a particular configuration,
+   bytesex.h is generated by running a program on the host machine.
+   So if cross-compiling to a machine with a different byte order,
+   the bits/endian.h file for that machine must exist.  */
+
+#error Machine byte order unknown.
diff --git a/bits/errno.h b/bits/errno.h
new file mode 100644
index 0000000000..e197c3603d
--- /dev/null
+++ b/bits/errno.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1991, 1994, 1996, 1997 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.  */
+
+/* This file defines the `errno' constants.  */
+
+#if !defined(__Emath_defined) && (defined(_ERRNO_H) || defined(__need_Emath))
+#undef	__need_Emath
+#define	__Emath_defined	1
+
+#define	EDOM	1
+#define	ERANGE	2
+#endif
+
+#ifdef	_ERRNO_H
+#define	ENOSYS	3
+#define	EINVAL	4
+#define	ESPIPE	5
+#define	EBADF	6
+#define	ENOMEM	7
+#define	EACCES	8
+#define ENFILE  9
+#define EMFILE  10
+#endif
+
+#define __set_errno(val) errno = (val)
diff --git a/bits/fcntl.h b/bits/fcntl.h
new file mode 100644
index 0000000000..24a1c38be6
--- /dev/null
+++ b/bits/fcntl.h
@@ -0,0 +1,85 @@
+/* O_*, F_*, FD_* bit values for stub configuration.
+   Copyright (C) 1991, 1992, 1997 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.  */
+
+/* These values should be changed as appropriate for your system.  */
+
+#ifndef	_FCNTL_H
+#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+/* File access modes for `open' and `fcntl'.  */
+#define	O_RDONLY	0	/* Open read-only.  */
+#define	O_WRONLY	1	/* Open write-only.  */
+#define	O_RDWR		2	/* Open read/write.  */
+
+
+/* Bits OR'd into the second argument to open.  */
+#define	O_CREAT		0x0200	/* Create file if it doesn't exist.  */
+#define	O_EXCL		0x0800	/* Fail if file already exists.  */
+#define	O_TRUNC		0x0400	/* Truncate file to zero length.  */
+#define	O_NOCTTY	0x0100	/* Don't assign a controlling terminal.  */
+
+/* File status flags for `open' and `fcntl'.  */
+#define	O_APPEND	0x0008	/* Writes append to the file.  */
+#define	O_NONBLOCK	0x0004	/* Non-blocking I/O.  */
+
+#ifdef __USE_BSD
+#define	O_NDELAY	O_NONBLOCK
+#endif
+
+/* Mask for file access modes.  This is system-dependent in case
+   some system ever wants to define some other flavor of access.  */
+#define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
+
+/* Values for the second argument to `fcntl'.  */
+#define	F_DUPFD	  	0	/* Duplicate file descriptor.  */
+#define	F_GETFD		1	/* Get file descriptor flags.  */
+#define	F_SETFD		2	/* Set file descriptor flags.  */
+#define	F_GETFL		3	/* Get file status flags.  */
+#define	F_SETFL		4	/* Set file status flags.  */
+#ifdef __USE_BSD
+#define	F_GETOWN	5	/* Get owner (receiver of SIGIO).  */
+#define	F_SETOWN	6	/* Set owner (receiver of SIGIO).  */
+#endif
+#define	F_GETLK		7	/* Get record locking info.  */
+#define	F_SETLK		8	/* Set record locking info.  */
+#define	F_SETLKW	9	/* Set record locking info, wait.  */
+
+/* File descriptor flags used with F_GETFD and F_SETFD.  */
+#define	FD_CLOEXEC	1	/* Close on exec.  */
+
+
+#include <bits/types.h>
+
+/* The structure describing an advisory lock.  This is the type of the third
+   argument to `fcntl' for the F_GETLK, F_SETLK, and F_SETLKW requests.  */
+struct flock
+  {
+    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
+    __off_t l_start;	/* Offset where the lock begins.  */
+    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
+    __pid_t l_pid;	/* Process holding the lock.  */
+  };
+
+/* Values for the `l_type' field of a `struct flock'.  */
+#define	F_RDLCK	1	/* Read lock.  */
+#define	F_WRLCK	2	/* Write lock.  */
+#define	F_UNLCK	3	/* Remove lock.  */
diff --git a/bits/fenv.h b/bits/fenv.h
new file mode 100644
index 0000000000..f45deb07c1
--- /dev/null
+++ b/bits/fenv.h
@@ -0,0 +1,61 @@
+/* Copyright (C) 1997 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 _FENV_H
+#error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+
+/* Here should be the exception be defined:
+    FE_INVALID
+    FE_DIVBYZERO
+    FE_OVERFLOW
+    FE_UNDERFLOW
+    FE_INEXACT
+   We define no macro which signals no exception is supported.  */
+
+#define FE_ALL_EXCEPT 0
+
+
+/* Here should the rounding modes be defined:
+    FE_TONEAREST
+    FE_DOWNWARD
+    FE_UPWARD
+    FE_TOWARDSZERO
+   We define no macro which signals no rounding mode is selectable.  */
+
+
+/* Type representing exception flags.
+   XXX Probably we should also include the signal handler here.  */
+typedef struct
+  {
+    unsigned int flags;
+  }
+fexcept_t;
+
+
+/* Type representing floating-point environment.  */
+typedef struct
+  {
+    fexcept_t excepts;
+    /* XXX I don't know what else we should save.  */
+  }
+fenv_t;
+
+/* If the default argument is used we use this value.  */
+#define FE_DFL_ENV	((fenv_t *) -1l)
diff --git a/bits/huge_val.h b/bits/huge_val.h
new file mode 100644
index 0000000000..8f137d1734
--- /dev/null
+++ b/bits/huge_val.h
@@ -0,0 +1,26 @@
+/* Stub `HUGE_VAL' constant.
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992, 1996 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 _MATH_H
+#error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+
+#define	   HUGE_VAL	1e37
diff --git a/bits/ioctls.h b/bits/ioctls.h
new file mode 100644
index 0000000000..3b6178bfae
--- /dev/null
+++ b/bits/ioctls.h
@@ -0,0 +1 @@
+/* This space intentionally left blank.  */
diff --git a/bits/ipc.h b/bits/ipc.h
new file mode 100644
index 0000000000..a5ecbd90b7
--- /dev/null
+++ b/bits/ipc.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+   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 _SYS_IPC_BUF_H
+
+#define _SYS_IPC_BUF_H	1
+#include <features.h>
+
+#include <sys/types.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'.  */
+#define IPC_CREAT	01000		/* create key if key does not exist */
+#define IPC_EXCL	02000		/* fail if key exists */
+#define IPC_NOWAIT	04000		/* return error on wait */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'.  */
+#define IPC_RMID	0		/* remove identifier */
+#define IPC_SET		1		/* set `ipc_perm' options */
+#define IPC_STAT	2		/* get `ipc_perm' options */
+
+
+__BEGIN_DECLS
+
+/* Special key values.  */
+#define IPC_PRIVATE	((key_t) 0)	/* private key */
+
+
+/* Data structure used to pass permission information to IPC operations.  */
+struct ipc_perm
+{
+  __uid_t uid;				/* owner's user ID */
+  __gid_t gid;				/* owner's group ID */
+  __uid_t cuid;				/* creator's user ID */
+  __gid_t cgid;				/* creator's group ID */
+  __mode_t mode;			/* read/write permission */
+};
+
+__END_DECLS
+
+#endif /* _SYS_IPC_BUF_H */
diff --git a/bits/libc-lock.h b/bits/libc-lock.h
new file mode 100644
index 0000000000..c24dcd047a
--- /dev/null
+++ b/bits/libc-lock.h
@@ -0,0 +1,109 @@
+/* libc-internal interface for mutex locks.  Stub version.
+   Copyright (C) 1996, 1997 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 _BITS_LIBC_LOCK_H
+#define _BITS_LIBC_LOCK_H 1
+
+
+/* Define a lock variable NAME with storage class CLASS.  The lock must be
+   initialized with __libc_lock_init before it can be used (or define it
+   with __libc_lock_define_initialized, below).  Use `extern' for CLASS to
+   declare a lock defined in another module.  In public structure
+   definitions you must use a pointer to the lock structure (i.e., NAME
+   begins with a `*'), because its storage size will not be known outside
+   of libc.  */
+#define __libc_lock_define(CLASS,NAME)
+
+/* Define an initialized lock variable NAME with storage class CLASS.  */
+#define __libc_lock_define_initialized(CLASS,NAME)
+
+/* Define an initialized recursive lock variable NAME with storage
+   class CLASS.  */
+#define __libc_lock_define_initialized_recursive(CLASS,NAME)
+
+/* Initialize the named lock variable, leaving it in a consistent, unlocked
+   state.  */
+#define __libc_lock_init(NAME)
+
+/* Same as last but this time we initialize a recursive mutex.  */
+#define __libc_lock_init_recursive(NAME)
+
+/* Finalize the named lock variable, which must be locked.  It cannot be
+   used again until __libc_lock_init is called again on it.  This must be
+   called on a lock variable before the containing storage is reused.  */
+#define __libc_lock_fini(NAME)
+
+/* Finalize recursive named lock.  */
+#define __libc_lock_fini_recursive(NAME)
+
+/* Lock the named lock variable.  */
+#define __libc_lock_lock(NAME)
+
+/* Lock the recursive named lock variable.  */
+#define __libc_lock_lock_recursive(NAME)
+
+/* Try to lock the named lock variable.  */
+#define __libc_lock_trylock(NAME) 0
+
+/* Try to lock the recursive named lock variable.  */
+#define __libc_lock_trylock_recursive(NAME) 0
+
+/* Unlock the named lock variable.  */
+#define __libc_lock_unlock(NAME)
+
+/* Unlock the recursive named lock variable.  */
+#define __libc_lock_unlock_recursive(NAME)
+
+
+/* Define once control variable.  */
+#define __libc_once_define(CLASS, NAME) CLASS int NAME = 0
+
+/* Call handler iff the first call.  */
+#define __libc_once(ONCE_CONTROL, INIT_FUNCTION) \
+  do {									      \
+    if ((ONCE_CONTROL) == 0) {						      \
+      INIT_FUNCTION ();							      \
+      (ONCE_CONTROL) = 1;						      \
+    }									      \
+  } while (0)
+
+
+/* Start critical region with cleanup.  */
+#define __libc_cleanup_region_start(FCT, ARG)
+
+/* End critical region with cleanup.  */
+#define __libc_cleanup_region_end(DOIT)
+
+
+/* We need portable names for some of the functions.  */
+#define __libc_mutex_unlock
+
+/* Type for key of thread specific data.  */
+typedef int __libc_key_t;
+
+/* Create key for thread specific data.  */
+#define __libc_key_create(KEY,DEST) -1
+
+/* Set thread-specific data associated with KEY to VAL.  */
+#define __libc_setspecific(KEY,VAL) -1
+
+/* Get thread-specific data associated with KEY.  */
+#define __libc_getspecific(KEY) 0
+
+#endif	/* bits/libc-lock.h */
diff --git a/bits/local_lim.h b/bits/local_lim.h
new file mode 100644
index 0000000000..42cc7ebbc9
--- /dev/null
+++ b/bits/local_lim.h
@@ -0,0 +1,3 @@
+/* This file should define the implementation-specific limits described
+   in posix[12]_lim.h.  If there are no useful values to give a limit,
+   don't define it.  */
diff --git a/bits/mathinline.h b/bits/mathinline.h
new file mode 100644
index 0000000000..5498af6b63
--- /dev/null
+++ b/bits/mathinline.h
@@ -0,0 +1,12 @@
+/* This file should provide inline versions of math functions.
+
+   Surround GCC-specific parts with #ifdef __GNUC__, and use `extern __inline'.
+
+   This file should define __MATH_INLINES if functions are actually defined as
+   inlines.  */
+
+#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
+
+/* Here goes the real code.  */
+
+#endif
diff --git a/bits/msq.h b/bits/msq.h
new file mode 100644
index 0000000000..37daa9bf8c
--- /dev/null
+++ b/bits/msq.h
@@ -0,0 +1,47 @@
+/* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+   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 _SYS_MSG_H
+#error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
+#endif
+
+
+#include <features.h>
+#include <sys/types.h>
+
+/* Define options for message queue functions.  */
+#define MSG_NOERROR	010000	/* no error if message is too big */
+
+__BEGIN_DECLS
+
+/* Structure of record for one message inside the kernel.
+   The type `struct __msg' is opaque.  */
+struct msqid_ds
+{
+  struct ipc_perm msg_perm;	/* structure describing operation permission */
+  __time_t msg_stime;		/* time of last msgsnd command */
+  __time_t msg_rtime;		/* time of last msgrcv command */
+  __time_t msg_ctime;		/* time of last change */
+  unsigned short int msg_qnum;	/* number of messages currently on queue */
+  unsigned short int msg_qbytes;/* max number of bytes allowed on queue */
+  __pid_t msg_lspid;		/* pid of last msgsnd() */
+  __pid_t msg_lrpid;		/* pid of last msgrcv() */
+};
+
+__END_DECLS
diff --git a/bits/nan.h b/bits/nan.h
new file mode 100644
index 0000000000..ab38168ea4
--- /dev/null
+++ b/bits/nan.h
@@ -0,0 +1,5 @@
+#ifndef _MATH_H
+#error "Never use <bits/nan.h> directly; include <math.h> instead."
+#endif
+
+/* This file should define `NAN' on machines that have such things.  */
diff --git a/bits/posix_opt.h b/bits/posix_opt.h
new file mode 100644
index 0000000000..54f5a79aa2
--- /dev/null
+++ b/bits/posix_opt.h
@@ -0,0 +1,2 @@
+/* This file should define the POSIX options described in <unistd.h>,
+   or leave them undefined, as appropriate.  */
diff --git a/bits/sem.h b/bits/sem.h
new file mode 100644
index 0000000000..1d3e41bd56
--- /dev/null
+++ b/bits/sem.h
@@ -0,0 +1,61 @@
+/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+   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 _SYS_SEM_H
+#error "Never use <bits/sem.h> directly; include <sys/sem.h> instead."
+#endif
+
+
+#include <features.h>
+#include <sys/types.h>
+
+/* Flags for `semop'.  */
+#define SEM_UNDO	0x1000		/* undo the operation on exit */
+
+/* Commands for `semctl'.  */
+#define GETPID		11		/* get sempid */
+#define GETVAL		12		/* get semval */
+#define GETALL		13		/* get all semval's */
+#define GETNCNT		14		/* get semncnt */
+#define GETZCNT		15		/* get semzcnt */
+#define SETVAL		16		/* set semval */
+#define SETALL		17		/* set all semval's */
+
+
+__BEGIN_DECLS
+
+/* Data structure describing a set of semaphores.  */
+struct semid_ds
+{
+  struct ipc_perm sem_perm;		/* operation permission struct */
+  __time_t sem_otime;			/* last semop() time */
+  __time_t sem_ctime;			/* last time changed by semctl() */
+  unsigned short int sem_nsems;		/* number of semaphores in set */
+};
+
+/* Union used for argument for `semctl'.  */
+union semun
+{
+  int val;				/* value for SETVAL */
+  struct semid_ds *buf;			/* buffer for IPC_STAT & IPC_SET */
+  unsigned short int *array;		/* array for GETALL & SETALL */
+  struct seminfo *__buf;		/* buffer for IPC_INFO */
+ };
+
+__END_DECLS
diff --git a/bits/setjmp.h b/bits/setjmp.h
new file mode 100644
index 0000000000..6620e5ab15
--- /dev/null
+++ b/bits/setjmp.h
@@ -0,0 +1,3 @@
+/* Define the machine-dependent type `jmp_buf'.  Stub version.  */
+
+typedef int __jmp_buf[1];
diff --git a/bits/shm.h b/bits/shm.h
new file mode 100644
index 0000000000..b41d0c1e86
--- /dev/null
+++ b/bits/shm.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+   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 _SYS_SHM_H
+#error "Never use <bits/shm.h> directly; include <sys/shm.h> instead."
+#endif
+
+
+#include <features.h>
+#include <sys/types.h>
+
+/* Flags for `shmat'.  */
+#define SHM_RDONLY	010000		/* attach read-only else read-write */
+#define SHM_RND		020000		/* round attach address to SHMLBA */
+#define SHM_REMAP	040000		/* take-over region on attach */
+
+/* Commands for `shmctl'.  */
+#define SHM_LOCK	11		/* lock segment (root only) */
+#define SHM_UNLOCK	12		/* unlock segment (root only) */
+
+
+__BEGIN_DECLS
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+{
+  struct ipc_perm sem_perm;		/* operation permission struct */
+  int shm_segsz;			/* size of segment in bytes */
+  __time_t sem_atime;			/* time of last shmat() */
+  __time_t sem_dtime;			/* time of last shmdt() */
+  __time_t sem_ctime;			/* time of last change by shmctl() */
+  __pid_t shm_cpid;			/* pid of creator */
+  __pid_t shm_lpid;			/* pid of last shmop */
+  unsigned short int shm_nattch;	/* number of current attaches */
+};
+
+__END_DECLS
diff --git a/bits/sigcontext.h b/bits/sigcontext.h
new file mode 100644
index 0000000000..46e4df8c64
--- /dev/null
+++ b/bits/sigcontext.h
@@ -0,0 +1,29 @@
+/* Structure describing state saved while handling a signal.  Stub version.
+   Copyright (C) 1991, 1994, 1997 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.  */
+
+/* State of this thread when the signal was taken.  */
+struct sigcontext
+  {
+    int sc_onstack;
+    __sigset_t sc_mask;
+
+    /* Registers and such.  */
+  };
+
+/* Signal subcodes should be defined here.  */
diff --git a/bits/signum.h b/bits/signum.h
new file mode 100644
index 0000000000..6b4693f64c
--- /dev/null
+++ b/bits/signum.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 1991, 1993, 1996 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.  */
+
+#ifdef	_SIGNAL_H
+
+/* Fake signal functions.  */
+extern void _sig_ign __P ((int sig));
+extern void _sig_dfl __P ((int sig));
+
+#define	SIG_ERR	((__sighandler_t) 0) /* Error return.  */
+#define	SIG_DFL	_sig_dfl	/* Default action.  */
+#define	SIG_IGN	_sig_ign	/* Ignore signal.  */
+
+
+/* ANSI signals.  */
+#define	SIGABRT	1	/* Abnormal termination.  */
+#define	SIGFPE	2	/* Erroneous arithmetic operation.  */
+#define	SIGILL	3	/* Illegal instruction.  */
+#define	SIGINT	3	/* Interactive attention signal.  */
+#define	SIGSEGV	4	/* Invalid access to storage.  */
+#define	SIGTERM	5	/* Termination request.  */
+
+/* POSIX signals.  */
+#define	SIGHUP	6	/* Hangup.  */
+#define	SIGQUIT	7	/* Quit.  */
+#define	SIGPIPE	8	/* Broken pipe.  */
+#define	SIGKILL	9	/* Kill (cannot be blocked, caught, or ignored).  */
+#define	SIGALRM	10	/* Alarm clock.  */
+#define	SIGSTOP	11	/* Stop (cannot be blocked, caught, or ignored).  */
+#define	SIGTSTP	12	/* Keyboard stop.  */
+#define	SIGCONT	13	/* Continue.  */
+#define	SIGCHLD	14	/* Child terminated or stopped.  */
+#define	SIGTTIN	15	/* Background read from control terminal.  */
+#define	SIGTTOU	16	/* Background write to control terminal.  */
+
+#endif	/* <signal.h> included.  */
+
+#define	_NSIG	17
diff --git a/bits/stat.h b/bits/stat.h
new file mode 100644
index 0000000000..dab0cd00cb
--- /dev/null
+++ b/bits/stat.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 1992, 1996 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.  */
+
+/*
+ * Never include this file directly; use <sys/stat.h> instead.
+ */
+
+/* This structure needs to be defined in accordance with the
+   implementation of __stat, __fstat, and __lstat.  */
+
+#ifndef	_BITS_STAT_H
+#define	_BITS_STAT_H	1
+
+#include <bits/types.h>
+
+/* Structure describing file characteristics.  */
+struct stat
+  {
+    /* These are the members that POSIX.1 requires.  */
+
+    __mode_t st_mode;		/* File mode.  */
+    __ino_t st_ino;		/* File serial number.  */
+    __dev_t st_dev;		/* Device containing the file.  */
+    __nlink_t st_nlink;		/* Link count.  */
+
+    __uid_t st_uid;		/* User ID of the file's owner.  */
+    __gid_t st_gid;		/* Group ID of the file's group.  */
+    __off_t st_size;		/* Size of file, in bytes.  */
+
+    __time_t st_atime;		/* Time of last access.  */
+    __time_t st_mtime;		/* Time of last modification.  */
+    __time_t st_ctime;		/* Time of last status change.  */
+
+    /* This should be defined if there is a `st_blksize' member.  */
+#undef	_STATBUF_ST_BLKSIZE
+  };
+
+/* Encoding of the file mode.  These are the standard Unix values,
+   but POSIX.1 does not specify what values should be used.  */
+
+#define	__S_IFMT	0170000	/* These bits determine file type.  */
+
+/* File types.  */
+#define	__S_IFDIR	0040000	/* Directory.  */
+#define	__S_IFCHR	0020000	/* Character device.  */
+#define	__S_IFBLK	0060000	/* Block device.  */
+#define	__S_IFREG	0100000	/* Regular file.  */
+#define	__S_IFIFO	0010000	/* FIFO.  */
+
+/* Protection bits.  */
+
+#define	__S_ISUID	04000	/* Set user ID on execution.  */
+#define	__S_ISGID	02000	/* Set group ID on execution.  */
+#define	__S_IREAD	0400	/* Read by owner.  */
+#define	__S_IWRITE	0200	/* Write by owner.  */
+#define	__S_IEXEC	0100	/* Execute by owner.  */
+
+
+#endif /* bits/stat.h */
diff --git a/bits/string.h b/bits/string.h
new file mode 100644
index 0000000000..ad68b038b6
--- /dev/null
+++ b/bits/string.h
@@ -0,0 +1,12 @@
+/* This file should provide inline versions of string functions.
+
+   Surround GCC-specific parts with #ifdef __GNUC__, and use `extern __inline'.
+
+   This file should define __STRING_INLINES if functions are actually defined
+   as inlines.  */
+
+#ifndef _BITS_STRING_H
+#define _BITS_STRING_H	1
+
+
+#endif /* bits/string.h */
diff --git a/bits/time.h b/bits/time.h
new file mode 100644
index 0000000000..e41a991b44
--- /dev/null
+++ b/bits/time.h
@@ -0,0 +1,44 @@
+/* System-dependent timing definitions.  Stub version.
+   Copyright (C) 1996, 1997 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.  */
+
+/*
+ * Never include this file directly; use <time.h> instead.
+ */
+
+#ifdef __need_timeval
+# undef __need_timeval
+# ifndef _STRUCT_TIMEVAL
+#  define _STRUCT_TIMEVAL	1
+/* A time value that is accurate to the nearest
+   microsecond but also has a range of years.  */
+struct timeval
+  {
+    time_t tv_sec;		/* Seconds.  */
+    time_t tv_usec;		/* Microseconds.  */
+  };
+# endif	/* struct timeval */
+#endif	/* need timeval */
+
+
+#ifndef _BITS_TIME_H
+#define	_BITS_TIME_H	1
+
+#define CLOCKS_PER_SEC 60
+
+#endif	/* bits/time.h */
diff --git a/bits/waitflags.h b/bits/waitflags.h
new file mode 100644
index 0000000000..127eb6ce4c
--- /dev/null
+++ b/bits/waitflags.h
@@ -0,0 +1,27 @@
+/* Definitions of flag bits for `waitpid' et al.
+   Copyright (C) 1992, 1996, 1997 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 _SYS_WAIT_H
+#error "Never use <bits/waitflags.h> directly; include <sys/wait.h> instead."
+#endif
+
+
+/* Bits in the third argument to `waitpid'.  */
+#define	WNOHANG		1	/* Don't block waiting.  */
+#define	WUNTRACED	2	/* Report status of stopped children.  */