Some more major updates to further superate ucLibc from the kernel

headers (the way it has been done in GNU libc).
 -Erik

11 files changed, 1113 insertions, 407 deletions

diff --git a/include/sys/bitypes.h b/include/sys/bitypes.h
index ec7781a9d..21aaf7436 100644
--- a/include/sys/bitypes.h
+++ b/include/sys/bitypes.h
@@ -1,94 +1 @@
-/*
- * bitypes.h,v 1.4 1995/08/24 01:58:54 hjl Exp
- */
-
-/*
- * ++Copyright++ 1993
- * -
- * Copyright (c) 1993 Regents of the University of California.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- * 	This product includes software developed by the University of
- * 	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * -
- * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies, and that
- * the name of Digital Equipment Corporation not be used in advertising or
- * publicity pertaining to distribution of the document or software without
- * specific, written prior permission.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
- * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- * -
- * --Copyright--
- */
-
-/*
-#ifdef __USE_BSD
-*/
-
-/*
-#ifndef __BIT_TYPES_DEFINED__
-# if (defined(BSD) && (BSD >= 199306)) || \
-     (defined(_BSDI_VERSION) && (_BSDI_VERSION >= 199312)) 
-#  define __BIT_TYPES_DEFINED__
-# endif
-#endif
-*/
-
-#ifndef __BIT_TYPES_DEFINED__
-#define __BIT_TYPES_DEFINED__
-
-	/*
-	 * Basic integral types.  Omit the typedef if
-	 * not possible for a machine/compiler combination.
-	 */
-	typedef /*signed*/ char            int8_t;
-	typedef unsigned char            u_int8_t;
-	typedef short                     int16_t;
-	typedef unsigned short          u_int16_t;
-	typedef int                       int32_t;
-	typedef unsigned int            u_int32_t;
-#if 0
-# if __GNUC__ >= 2 && !defined(__STRICT_ANSI__)
-	typedef long long                 int64_t;
-	typedef unsigned long long      u_int64_t;
-# endif
-#endif
-#endif	/* __BIT_TYPES_DEFINED__ */
-
-/* #endif  __USE_BSD */
+#include <stddef.h>
diff --git a/include/sys/ioctl.h b/include/sys/ioctl.h
index 11dd06edb..acb42f2b3 100644
--- a/include/sys/ioctl.h
+++ b/include/sys/ioctl.h
@@ -1,17 +1,46 @@
-#ifndef _SYS_IOCTL_H
-#define _SYS_IOCTL_H
+/* Copyright (C) 1991, 92, 93, 94, 96, 98 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_IOCTL_H
+#define	_SYS_IOCTL_H	1
 
-#include <linux/ioctl.h>
 #include <features.h>
-#include <termios.h>
-#include <sys/socketio.h>
 
 __BEGIN_DECLS
 
-extern int	ioctl __P ((int __fildes, int __cmd, ...));
-extern int	__ioctl __P ((int __fildes, int __cmd, ...));
+/* Get the list of `ioctl' requests and related constants.  */
+#include <bits/ioctls.h>
 
-__END_DECLS
+/* Define some types used by `ioctl' requests.  */
+#include <bits/ioctl-types.h>
+
+/* On a Unix system, the system <sys/ioctl.h> probably defines some of
+   the symbols we define in <sys/ttydefaults.h> (usually with the same
+   values).  The code to generate <bits/ioctls.h> has omitted these
+   symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h>
+   to define them, so we must include <sys/ttydefaults.h> here.  */
+#include <sys/ttydefaults.h>
 
+/* Perform the I/O control operation specified by REQUEST on FD.
+   One argument may follow; its presence and type depend on REQUEST.
+   Return value depends on REQUEST.  Usually -1 indicates error.  */
+extern int ioctl __P ((int __fd, unsigned long int __request, ...));
+
+__END_DECLS
 
-#endif
+#endif /* sys/ioctl.h */
diff --git a/include/sys/select.h b/include/sys/select.h
new file mode 100644
index 000000000..0972560b9
--- /dev/null
+++ b/include/sys/select.h
@@ -0,0 +1,95 @@
+/* `fd_set' type and related macros, and `select'/`pselect' declarations.
+   Copyright (C) 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.  */
+
+/*	POSIX 1003.1g: 6.2 Select from File Descriptor Sets <sys/select.h>  */
+
+#ifndef _SYS_SELECT_H
+#define _SYS_SELECT_H	1
+
+#include <features.h>
+
+/* Get definition of needed basic types.  */
+#include <bits/types.h>
+
+/* Get __FD_* definitions.  */
+#include <bits/select.h>
+
+/* Get __sigset_t.  */
+#include <bits/sigset.h>
+
+/* Get definition of timer specification structures.  */
+#define __need_timespec
+#include <time.h>
+
+__BEGIN_DECLS
+
+/* This declaration puts `struct timeval' in global scope even if
+   <sys/time.h> has not been included to define it.  That way the
+   `select' prototype below will not conflict with a later definition
+   of `struct timeval'.  */
+struct timeval;
+
+typedef __fd_mask fd_mask;
+
+/* Representation of a set of file descriptors.  */
+typedef __fd_set fd_set;
+
+/* Maximum number of file descriptors in `fd_set'.  */
+#define	FD_SETSIZE		__FD_SETSIZE
+
+#ifdef __USE_MISC
+/* Number of bits per word of `fd_set' (some code assumes this is 32).  */
+# define NFDBITS		__NFDBITS
+#endif
+
+
+/* Access macros for `fd_set'.  */
+#define	FD_SET(fd, fdsetp)	__FD_SET ((fd), (fdsetp))
+#define	FD_CLR(fd, fdsetp)	__FD_CLR ((fd), (fdsetp))
+#define	FD_ISSET(fd, fdsetp)	__FD_ISSET ((fd), (fdsetp))
+#define	FD_ZERO(fdsetp)		__FD_ZERO (fdsetp)
+
+
+/* Check the first NFDS descriptors each in READFDS (if not NULL) for read
+   readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
+   (if not NULL) for exceptional conditions.  If TIMEOUT is not NULL, time out
+   after waiting the interval specified therein.  Returns the number of ready
+   descriptors, or -1 for errors.  */
+extern int __select __P ((int __nfds, __fd_set *__readfds,
+			  __fd_set *__writefds, __fd_set *__exceptfds,
+			  struct timeval *__timeout));
+extern int select __P ((int __nfds, __fd_set *__readfds,
+			__fd_set *__writefds, __fd_set *__exceptfds,
+			struct timeval *__timeout));
+
+#ifdef __USE_GNU
+/* XXX Once/if POSIX.1g gets official this prototype will be available
+   when defining __USE_POSIX.  */
+/* Same as above only that the TIMEOUT value is given with higher
+   resolution and a sigmask which is been set temporarily.  This version
+   should be used.  */
+extern int pselect __P ((int __nfds, __fd_set *__readfds,
+			 __fd_set *__writefds, __fd_set *__exceptfds,
+			 const struct timespec *__timeout,
+			 const __sigset_t *__sigmask));
+#endif
+
+__END_DECLS
+
+#endif /* sys/select.h */
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 3a898ee13..7642e7502 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -1,136 +1,207 @@
-#ifndef _SYS_SOCKET_H
-#define _SYS_SOCKET_H
+/* Declarations of socket constants, types, and functions.
+   Copyright (C) 1991,92,94,95,96,97,98,99 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_SOCKET_H
+#define	_SYS_SOCKET_H	1
 
 #include <features.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <linux/socket.h>
 
-#ifdef _MIT_POSIX_THREADS
-#include <pthread/mit/posix.h>
+__BEGIN_DECLS
+
+#define	__need_size_t
+#include <stddef.h>
+
+
+/* This operating system-specific header file defines the SOCK_*, PF_*,
+   AF_*, MSG_*, SOL_*, and SO_* constants, and the `struct sockaddr',
+   `struct msghdr', and `struct linger' types.  */
+#include <bits/socket.h>
+
+#ifdef __USE_BSD
+/* This is the 4.3 BSD `struct sockaddr' format, which is used as wire
+   format in the grotty old 4.3 `talk' protocol.  */
+struct osockaddr
+  {
+    unsigned short int sa_family;
+    unsigned char sa_data[14];
+  };
 #endif
 
-__BEGIN_DECLS
+/* The following constants should be used for the second parameter of
+   `shutdown'.  */
+enum
+{
+  SHUT_RD = 0,		/* No more receptions.  */
+#define SHUT_RD		SHUT_RD
+  SHUT_WR,		/* No more transmissions.  */
+#define SHUT_WR		SHUT_WR
+  SHUT_RDWR		/* No more receptions or transmissions.  */
+#define SHUT_RDWR	SHUT_RDWR
+};
+
+/* This is the type we use for generic socket address arguments.
+
+   With GCC 2.7 and later, the funky union causes redeclarations or
+   uses with any of the listed types to be allowed without complaint.
+   G++ 2.7 does not support transparent unions so there we want the
+   old-style declaration, too.  */
+#if	(!defined __GNUC__ || __GNUC__ < 2 || defined __cplusplus || \
+	 (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
+# define __SOCKADDR_ARG		struct sockaddr *
+# define __CONST_SOCKADDR_ARG	__const struct sockaddr *
+#else
+/* Add more `struct sockaddr_AF' types here as necessary.
+   These are all the ones I found on NetBSD and Linux.  */
+# define __SOCKADDR_ALLTYPES \
+  __SOCKADDR_ONETYPE (sockaddr) \
+  __SOCKADDR_ONETYPE (sockaddr_at) \
+  __SOCKADDR_ONETYPE (sockaddr_ax25) \
+  __SOCKADDR_ONETYPE (sockaddr_dl) \
+  __SOCKADDR_ONETYPE (sockaddr_eon) \
+  __SOCKADDR_ONETYPE (sockaddr_in) \
+  __SOCKADDR_ONETYPE (sockaddr_in6) \
+  __SOCKADDR_ONETYPE (sockaddr_inarp) \
+  __SOCKADDR_ONETYPE (sockaddr_ipx) \
+  __SOCKADDR_ONETYPE (sockaddr_iso) \
+  __SOCKADDR_ONETYPE (sockaddr_ns) \
+  __SOCKADDR_ONETYPE (sockaddr_un) \
+  __SOCKADDR_ONETYPE (sockaddr_x25)
+
+# define __SOCKADDR_ONETYPE(type) struct type *__##type##__;
+typedef union { __SOCKADDR_ALLTYPES
+	      } __SOCKADDR_ARG __attribute__ ((__transparent_union__));
+# undef __SOCKADDR_ONETYPE
+# define __SOCKADDR_ONETYPE(type) __const struct type *__##type##__;
+typedef union { __SOCKADDR_ALLTYPES
+	      } __CONST_SOCKADDR_ARG __attribute__ ((__transparent_union__));
+# undef __SOCKADDR_ONETYPE
+#endif
 
-/* struct msghdr is not defined in linux 1.2.  This will allow sendmsg
-   and recvmsg in libc 5.2.9 to compile under 1.2.x and shouldn't cause
-   any problem for 1.3.x */
-struct msghdr;
 
 /* Create a new socket of type TYPE in domain DOMAIN, using
-   protocol PROTOCOL.  If PROTOCOL is zero, one is chosen
-   automatically.  Returns a file descriptor for the new socket,
-   or -1 for errors.  */
-int socket __P ((int __family, int __type, int __protocol));
+   protocol PROTOCOL.  If PROTOCOL is zero, one is chosen automatically.
+   Returns a file descriptor for the new socket, or -1 for errors.  */
+extern int socket __P ((int __domain, int __type, int __protocol));
 
 /* Create two new sockets, of type TYPE in domain DOMAIN and using
    protocol PROTOCOL, which are connected to each other, and put file
    descriptors for them in FDS[0] and FDS[1].  If PROTOCOL is zero,
-   one will be chosen automatically.  Returns 0 on success, -1
-   for errors.  */
-int socketpair __P ((int __family, int __type, int __protocol,
-		int __sockvec[2]));
-
-/* Give the socket FD the local address ADDR (which is LEN bytes
-   long).  */
-int bind __P ((int __sockfd, __const struct sockaddr *__my_addr,
-		int __addrlen));
-
-/* Open a connection on socket FD to peer at ADDR (which LEN bytes
-   long). For connectionless socket types, just set the default
-   address to send to and the only address from which to accept
-   transmissions.  Return 0 on success, -1 for errors.  */
-int connect __P ((int __sockfd, __const struct sockaddr *__serv_addr,
-		int __addrlen));
+   one will be chosen automatically.  Returns 0 on success, -1 for errors.  */
+extern int socketpair __P ((int __domain, int __type, int __protocol,
+			    int __fds[2]));
 
-/* Prepare to accept connections on socket FD.
-   N connection requests will be queued before further requests are
-   refused. Returns 0 on success, -1 for errors.  */
-int listen __P ((int __sockfd, int __n));
-
-/* Await a connection on socket FD.
-   When a connection arrives, open a new socket to communicate with it,
-   set *ADDR (which is *ADDR_LEN bytes long) to the address of the
-   connecting peer and *ADDR_LEN to the address's actual length, and
-   return the new socket's descriptor, or -1 for errors.  */
-int accept __P ((int __sockfd, __const struct sockaddr *__peer,
-		int *__paddrlen));
-
-/* Put the current value for socket FD's option OPTNAME at protocol
-   level LEVEL into OPTVAL (which is *OPTLEN bytes long), and set
-   *OPTLEN to the value's actual length. Returns 0 on success, -1 for
-   errors.  */
-int getsockopt __P ((int __s, int __level, int __optname,
-		void *__optval, int *__optlen));
-
-/* Set socket FD's option OPTNAME at protocol level LEVEL
-   to *OPTVAL (which is OPTLEN bytes long).
-   Returns 0 on success, -1 for errors.  */
-int setsockopt __P ((int __s, int __level, int __optname,
-		__const void *__optval, int optlen));
+/* Give the socket FD the local address ADDR (which is LEN bytes long).  */
+extern int bind __P ((int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len));
 
 /* Put the local address of FD into *ADDR and its length in *LEN.  */
-int getsockname __P ((int __sockfd, struct sockaddr *__addr,
-		int *__paddrlen));
+extern int getsockname __P ((int __fd, __SOCKADDR_ARG __addr,
+			     socklen_t *__len));
+
+/* Open a connection on socket FD to peer at ADDR (which LEN bytes long).
+   For connectionless socket types, just set the default address to send to
+   and the only address from which to accept transmissions.
+   Return 0 on success, -1 for errors.  */
+extern int __connect __P ((int __fd,
+			   __CONST_SOCKADDR_ARG __addr, socklen_t __len));
+extern int connect __P ((int __fd,
+			 __CONST_SOCKADDR_ARG __addr, socklen_t __len));
 
 /* Put the address of the peer connected to socket FD into *ADDR
    (which is *LEN bytes long), and its actual length into *LEN.  */
-int getpeername __P ((int __sockfd, struct sockaddr *__peer,
-		int *__paddrlen));
+extern int getpeername __P ((int __fd, __SOCKADDR_ARG __addr,
+			     socklen_t *__len));
+
 
-/* Send N bytes of BUF to socket FD.  Returns the number sent or -1. */
-int send __P ((int __sockfd, __const void *__buff, size_t __len,
-		 unsigned int __flags));
+/* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
+extern int __send __P ((int __fd, __const __ptr_t __buf, size_t __n,
+			int __flags));
+extern int send __P ((int __fd, __const __ptr_t __buf, size_t __n,
+		      int __flags));
 
 /* Read N bytes into BUF from socket FD.
    Returns the number read or -1 for errors.  */
-int recv __P ((int __sockfd, void *__buff, size_t __len,
-		 unsigned int __flags));
+extern int recv __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
 
 /* Send N bytes of BUF on socket FD to peer at address ADDR (which is
-   ADDR_LEN bytes long).  Returns the number sent, or -1 for errors. */
-int sendto __P ((int __sockfd, __const void *__buff, size_t __len,
-		 unsigned int __flags, __const struct sockaddr *__to,
-		 int __tolen));
+   ADDR_LEN bytes long).  Returns the number sent, or -1 for errors.  */
+extern int sendto __P ((int __fd, __const __ptr_t __buf, size_t __n,
+			int __flags, __CONST_SOCKADDR_ARG __addr,
+			socklen_t __addr_len));
 
 /* Read N bytes into BUF through socket FD.
-   If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address
-   of the sender, and store the actual size of the address in
-   *ADDR_LEN. Returns the number of bytes read or -1 for errors. */
-int recvfrom __P ((int __sockfd, void *__buff, size_t __len,
-		 unsigned int __flags, struct sockaddr *__from,
-		 int *__fromlen));
+   If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address of
+   the sender, and store the actual size of the address in *ADDR_LEN.
+   Returns the number of bytes read or -1 for errors.  */
+extern int recvfrom __P ((int __fd, __ptr_t __buf, size_t __n, int __flags,
+			  __SOCKADDR_ARG __addr, socklen_t *__addr_len));
+
 
 /* Send a message described MESSAGE on socket FD.
    Returns the number of bytes sent, or -1 for errors.  */
 extern int sendmsg __P ((int __fd, __const struct msghdr *__message,
-			unsigned int __flags));
+			 int __flags));
 
 /* Receive a message as described by MESSAGE from socket FD.
    Returns the number of bytes read or -1 for errors.  */
-extern int recvmsg __P ((int __fd, struct msghdr *__message,
-			unsigned int __flags));
- 
+extern int recvmsg __P ((int __fd, struct msghdr *__message, int __flags));
+
+
+/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
+   into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
+   actual length.  Returns 0 on success, -1 for errors.  */
+extern int getsockopt __P ((int __fd, int __level, int __optname,
+			    __ptr_t __optval, socklen_t *__optlen));
+
+/* Set socket FD's option OPTNAME at protocol level LEVEL
+   to *OPTVAL (which is OPTLEN bytes long).
+   Returns 0 on success, -1 for errors.  */
+extern int setsockopt __P ((int __fd, int __level, int __optname,
+			    __const __ptr_t __optval, socklen_t __optlen));
+
+
+/* Prepare to accept connections on socket FD.
+   N connection requests will be queued before further requests are refused.
+   Returns 0 on success, -1 for errors.  */
+extern int listen __P ((int __fd, unsigned int __n));
+
+/* Await a connection on socket FD.
+   When a connection arrives, open a new socket to communicate with it,
+   set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
+   peer and *ADDR_LEN to the address's actual length, and return the
+   new socket's descriptor, or -1 for errors.  */
+extern int accept __P ((int __fd, __SOCKADDR_ARG __addr,
+			socklen_t *__addr_len));
+
 /* Shut down all or part of the connection open on socket FD.
    HOW determines what to shut down:
-	0 = No more receptions;
-	1 = No more transmissions;
-	2 = No more receptions or transmissions.
+     SHUT_RD   = No more receptions;
+     SHUT_WR   = No more transmissions;
+     SHUT_RDWR = No more receptions or transmissions.
    Returns 0 on success, -1 for errors.  */
-int shutdown __P ((int __sockfd, int __how));
+extern int shutdown __P ((int __fd, int __how));
 
 
-/* belongs here or elsewhere? */
-int rcmd __P ((char **__ahost, unsigned short __inport,
-		__const char *__locuser, __const char *__remuser,
-		__const char *__cmd, int *__fd2p));
-int rresvport __P ((int *__port));
-int ruserok __P ((__const char *__rhost, int __superuser,
-		__const char *__ruser, __const char *__luser));
-int rexec __P ((char **__ahost, int __inport, __const char *__user,
-		 __const char *__passwd, __const char *__cmd,
-		 int *__fd2p));
+/* FDTYPE is S_IFSOCK or another S_IF* macro defined in <sys/stat.h>;
+   returns 1 if FD is open on an object of the indicated type, 0 if not,
+   or -1 for errors (setting errno).  */
+extern int isfdtype __P ((int __fd, int __fdtype));
 
 __END_DECLS
 
-#endif /* _SYS_SOCKET_H */
+#endif /* sys/socket.h */
diff --git a/include/sys/socketvar.h b/include/sys/socketvar.h
index 283356534..b177158d0 100644
--- a/include/sys/socketvar.h
+++ b/include/sys/socketvar.h
@@ -1,8 +1,3 @@
-/*
- *	This seems the best way to handle this. sys/socket.h already has
- *	all the right bits in it. In fact there isn't a single useful thing
- *	in the BSD net-2 sys/socketvar.h anyway but people persist in including
- *	it...
- *		Alan
- */
+/* This header is used on many systems but for GNU we have everything
+   already defined in the standard header.  */
 #include <sys/socket.h>
diff --git a/include/sys/stat.h b/include/sys/stat.h
index e486d755c..13c50411d 100644
--- a/include/sys/stat.h
+++ b/include/sys/stat.h
@@ -1,192 +1,368 @@
-#ifndef _SYS_STAT_H
-#define _SYS_STAT_H
+/* Copyright (C) 1991, 92, 95, 96, 97, 98 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: 5.6 File Characteristics	<sys/stat.h>
+ */
+
+#ifndef	_SYS_STAT_H
+#define	_SYS_STAT_H	1
 
 #include <features.h>
-#include <sys/types.h>
-#undef __NOT_KERNEL
-#define __NOT_KERNEL
-#include <linux/stat.h>
-#undef __NOT_KERNEL
 
-#ifdef __SVR4_I386_ABI_L1__
-#include <sys/time.h>		/* For timestruc_t */
-#endif /* __SVR4_I386_ABI_L1__ */
+#include <bits/types.h>		/* For __mode_t and __dev_t.  */
+
+#ifdef __USE_XOPEN
+# define __need_time_t
+# include <time.h>		/* For time_t.  */
+
+/* The Single Unix specification says that some more types are
+   available here.  */
+# ifndef dev_t
+typedef __dev_t dev_t;
+#  define dev_t dev_t
+# endif
+
+# ifndef gid_t
+typedef __gid_t gid_t;
+#  define gid_t gid_t
+# endif
+
+# ifndef ino_t
+#  ifndef __USE_FILE_OFFSET64
+typedef __ino_t ino_t;
+#  else
+typedef __ino64_t ino_t;
+#  endif
+#  define ino_t ino_t
+# endif
+
+# ifndef mode_t
+typedef __mode_t mode_t;
+#  define mode_t mode_t
+# endif
+
+# ifndef nlink_t
+typedef __nlink_t nlink_t;
+#  define nlink_t nlink_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
+
+# ifndef uid_t
+typedef __uid_t uid_t;
+#  define uid_t uid_t
+# endif
+#endif	/* X/Open */
+
+#ifdef __USE_UNIX98
+# ifndef pid_t
+typedef __pid_t pid_t;
+#  define pid_t pid_t
+# endif
+#endif	/* Unix98 */
 
 __BEGIN_DECLS
 
-struct stat {
-	dev_t		st_dev;
-
-#ifdef __SVR4_I386_ABI_L1__
-	long st_pad1[3];
-#else
-	unsigned short __pad1;
+#include <bits/stat.h>
+
+#if defined __USE_BSD || defined __USE_MISC || defined __USE_XOPEN
+# define S_IFMT		__S_IFMT
+# define S_IFDIR	__S_IFDIR
+# define S_IFCHR	__S_IFCHR
+# define S_IFBLK	__S_IFBLK
+# define S_IFREG	__S_IFREG
+# ifdef __S_IFIFO
+#  define S_IFIFO	__S_IFIFO
+# endif
+# if defined __USE_BSD || defined __USE_MISC
+#  ifdef __S_IFLNK
+#   define S_IFLNK	__S_IFLNK
+#  endif
+#  ifdef __S_IFSOCK
+#   define S_IFSOCK	__S_IFSOCK
+#  endif
+# endif
 #endif
 
-	ino_t		st_ino;
-	umode_t		st_mode;
-	nlink_t		st_nlink;
-	uid_t		st_uid;
-	gid_t		st_gid;
-	dev_t		st_rdev;
+/* Test macros for file types.	*/
 
-#ifdef __SVR4_I386_ABI_L1__
-	long st_pad2[2];
-#else
-	unsigned short __pad2;
+#define	__S_ISTYPE(mode, mask)	(((mode) & __S_IFMT) == (mask))
+
+#define	S_ISDIR(mode)	 __S_ISTYPE((mode), __S_IFDIR)
+#define	S_ISCHR(mode)	 __S_ISTYPE((mode), __S_IFCHR)
+#define	S_ISBLK(mode)	 __S_ISTYPE((mode), __S_IFBLK)
+#define	S_ISREG(mode)	 __S_ISTYPE((mode), __S_IFREG)
+#ifdef __S_IFIFO
+# define S_ISFIFO(mode)	 __S_ISTYPE((mode), __S_IFIFO)
 #endif
 
-	off_t		st_size;
+#ifdef	__USE_BSD
+# ifdef __S_IFLNK
+#  define S_ISLNK(mode)	 __S_ISTYPE((mode), __S_IFLNK)
+# else
+#  define S_ISLNK(mode)  0
+# endif
+# ifdef __S_IFSOCK
+#  define S_ISSOCK(mode) __S_ISTYPE((mode), __S_IFSOCK)
+# endif
+#endif
 
-#ifdef __SVR4_I386_ABI_L1__
-	timestruc_t	st_atim;
-	timestruc_t	st_mtim;
-	timestruc_t	st_ctim;
-    	long		st_blksize;
-    	long		st_blocks;
 
-#define	FSTYPSZ		16
+/* Protection bits.  */
 
-        char            st_fstype[FSTYPSZ];
-        long		st_pad4[8];
+#define	S_ISUID __S_ISUID	/* Set user ID on execution.  */
+#define	S_ISGID	__S_ISGID	/* Set group ID on execution.  */
 
-#define st_atime	st_atim.tv_sec
-#define st_mtime	st_mtim.tv_sec
-#define st_ctime	st_ctim.tv_sec
+#if defined __USE_BSD || defined __USE_MISC
+/* Save swapped text after use (sticky bit).  This is pretty well obsolete.  */
+# define S_ISVTX	__S_ISVTX
+#endif
 
-#else /*! __SVR4_I386_ABI_L1__*/
-	unsigned long	st_blksize;
-	unsigned long	st_blocks;
-	time_t		st_atime;
-	unsigned long	__unused1;
-	time_t		st_mtime;
-	unsigned long	__unused2;
-	time_t		st_ctime;
-	unsigned long	__unused3;
-	unsigned long	__unused4;
-	unsigned long	__unused5;
-#endif /*! __SVR4_I386_ABI_L1__*/
-};
+#define	S_IRUSR	__S_IREAD	/* Read by owner.  */
+#define	S_IWUSR	__S_IWRITE	/* Write by owner.  */
+#define	S_IXUSR	__S_IEXEC	/* Execute by owner.  */
+/* Read, write, and execute by owner.  */
+#define	S_IRWXU	(__S_IREAD|__S_IWRITE|__S_IEXEC)
 
+#if defined __USE_MISC && defined __USE_BSD
+# define S_IREAD	S_IRUSR
+# define S_IWRITE	S_IWUSR
+# define S_IEXEC	S_IXUSR
+#endif
 
-#define LINUX_MKNOD_VERSION 1     /* SVr4 */
-#define LINUX_STAT_VERSION 1      /* SVr4 */
+#define	S_IRGRP	(S_IRUSR >> 3)	/* Read by group.  */
+#define	S_IWGRP	(S_IWUSR >> 3)	/* Write by group.  */
+#define	S_IXGRP	(S_IXUSR >> 3)	/* Execute by group.  */
+/* Read, write, and execute by group.  */
+#define	S_IRWXG	(S_IRWXU >> 3)
 
-extern int _fxstat __P ((int __ver, int __fildes,
-			struct stat *__stat_buf));
+#define	S_IROTH	(S_IRGRP >> 3)	/* Read by others.  */
+#define	S_IWOTH	(S_IWGRP >> 3)	/* Write by others.  */
+#define	S_IXOTH	(S_IXGRP >> 3)	/* Execute by others.  */
+/* Read, write, and execute by others.  */
+#define	S_IRWXO	(S_IRWXG >> 3)
 
-extern int _xstat __P ((int __ver, __const char *__filename,
-			struct stat *__stat_buf));
 
-extern int _lxstat __P ((int __ver, __const char *__filename,
-			struct stat *__stat_buf));
+#ifdef	__USE_BSD
+/* Macros for common mode bit masks.  */
+# define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
+# define ALLPERMS (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)/* 07777 */
+# define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)/* 0666*/
 
-#ifdef _MIT_POSIX_THREADS
-extern int __machdep_sys__fxstat __P ((int __ver, int __fd,
-			struct stat *__stat_buf));
+# define S_BLKSIZE	512	/* Block size for `st_blocks'.  */
 #endif
 
-extern int _xmknod __P ((int __ver, __const char *__path,
-			mode_t __mode, dev_t *__dev));
-
-/* Some synonyms used historically in the kernel and elsewhere */
-#define S_IREAD		S_IRUSR /* read permission, owner */
-#define S_IWRITE	S_IWUSR /* write permission, owner */
-#define S_IEXEC		S_IXUSR /* execute/search permission, owner */
 
-extern int	__chmod __P ((__const char *__path, mode_t __mode));
-extern int	chmod __P ((__const char *__path, mode_t __mode));
+#ifndef __USE_FILE_OFFSET64
+/* Get file attributes for FILE and put them in BUF.  */
+extern int stat __P ((__const char *__file, struct stat *__buf));
 
-extern int	__fchmod __P ((int __fildes, mode_t __mode));
-extern int	fchmod __P ((int __fildes, mode_t __mode));
+/* Get file attributes for the file, device, pipe, or socket
+   that file descriptor FD is open on and put them in BUF.  */
+extern int fstat __P ((int __fd, struct stat *__buf));
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (stat, __P ((__const char *__file, struct stat *__buf)),
+		       stat64);
+extern int __REDIRECT (fstat, __P ((int __fd, struct stat *__buf)), fstat64);
+# else
+#  define stat stat64
+#  define fstat fstat64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int stat64 __P ((__const char *__file, struct stat64 *__buf));
+extern int fstat64 __P ((int __fd, struct stat64 *__buf));
+#endif
 
-extern int	__mkdir __P ((__const char *__path, mode_t __mode));
-extern int	mkdir __P ((__const char *__path, mode_t __mode));
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+# ifndef __USE_FILE_OFFSET64
+/* Get file attributes about FILE and put them in BUF.
+   If FILE is a symbolic link, do not follow it.  */
+extern int lstat __P ((__const char *__file, struct stat *__buf));
+# else
+#  ifdef __REDIRECT
+extern int __REDIRECT (lstat, __P ((__const char *__file, struct stat *__buf)),
+		       lstat64);
+#  else
+#   define lstat lstat64
+#  endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int lstat64 __P ((__const char *__file, struct stat64 *__buf));
+# endif
+#endif
 
-extern int	mkfifo __P ((__const char *__path, mode_t __mode));
+/* Set file access permissions for FILE to MODE.
+   This takes an `int' MODE argument because that
+   is what `mode_t's get widened to.  */
+extern int chmod __P ((__const char *__file, __mode_t __mode));
 
-#if 1
+/* Set file access permissions of the file FD is open on to MODE.  */
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+extern int fchmod __P ((int __fd, __mode_t __mode));
+#endif
 
-extern int	__fstat __P ((int __fildes, struct stat *__stat_buf));
-extern int	fstat __P ((int __fildes, struct stat *__stat_buf));
 
-extern int	__stat __P ((__const char *__filename,
-			struct stat *__stat_buf));
-extern int	stat __P ((__const char *__filename,
-			struct stat *__stat_buf));
+/* Set the file creation mask of the current process to MASK,
+   and return the old creation mask.  */
+extern __mode_t umask __P ((__mode_t __mask));
 
-extern int	__lstat __P ((__const char *__filename,
-			struct stat *__stat_buf));