** TEMPORARY **

We should delete this patch again very soon. --pasky

diff --git a/inet/netinet/in.h b/inet/netinet/in.h
index e3446a9..1366198 100644
--- inet/netinet/in.h
+++ inet/netinet/in.h
@@ -195,17 +195,13 @@ struct in6_addr
   {
     union
       {
-	uint8_t	__u6_addr8[16];
-#if defined __USE_MISC || defined __USE_GNU
-	uint16_t __u6_addr16[8];
-	uint32_t __u6_addr32[4];
-#endif
-      } __in6_u;
-#define s6_addr			__in6_u.__u6_addr8
-#if defined __USE_MISC || defined __USE_GNU
-# define s6_addr16		__in6_u.__u6_addr16
-# define s6_addr32		__in6_u.__u6_addr32
-#endif
+	uint8_t	u6_addr8[16];
+	uint16_t u6_addr16[8];
+	uint32_t u6_addr32[4];
+      } in6_u;
+#define s6_addr			in6_u.u6_addr8
+#define s6_addr16		in6_u.u6_addr16
+#define s6_addr32		in6_u.u6_addr32
   };
 
 extern const struct in6_addr in6addr_any;        /* :: */
@@ -242,7 +238,6 @@ struct sockaddr_in6
   };
 
 
-#if defined __USE_MISC || defined __USE_GNU
 /* IPv4 multicast request.  */
 struct ip_mreq
   {
@@ -264,8 +259,6 @@ struct ip_mreq_source
     /* IP address of interface.  */
     struct in_addr imr_sourceaddr;
   };
-#endif
-
 
 /* Likewise, for IPv6.  */
 struct ipv6_mreq
@@ -278,7 +271,6 @@ struct ipv6_mreq
   };
 
 
-#if defined __USE_MISC || defined __USE_GNU
 /* Multicast group request.  */
 struct group_req
   {
@@ -345,7 +337,6 @@ struct group_filter
 				   - sizeof (struct sockaddr_storage)	      \
 				   + ((numsrc)				      \
 				      * sizeof (struct sockaddr_storage)))
-#endif
 
 
 /* Get system-specific definitions.  */
@@ -431,14 +422,12 @@ extern uint16_t htons (uint16_t __hostshort)
 	 && (((__const uint32_t *) (a))[2] == ((__const uint32_t *) (b))[2])  \
 	 && (((__const uint32_t *) (a))[3] == ((__const uint32_t *) (b))[3]))
 
-#if defined __USE_MISC || defined __USE_GNU
 /* Bind socket to a privileged IP port.  */
 extern int bindresvport (int __sockfd, struct sockaddr_in *__sock_in) __THROW;
 
 /* The IPv6 version of this function.  */
 extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in)
      __THROW;
-#endif
 
 
 #define IN6_IS_ADDR_MC_NODELOCAL(a) \
@@ -461,8 +450,6 @@ extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in)
 	(IN6_IS_ADDR_MULTICAST(a)					      \
 	 && ((((__const uint8_t *) (a))[1] & 0xf) == 0xe))
 
-
-#ifdef __USE_GNU
 /* IPv6 packet information.  */
 struct in6_pktinfo
   {
@@ -478,6 +465,7 @@ struct ip6_mtuinfo
   };
 
 
+#ifdef __USE_GNU
 /* Obsolete hop-by-hop and Destination Options Processing (RFC 2292).  */
 extern int inet6_option_space (int __nbytes)
      __THROW __attribute_deprecated__;
diff --git a/posix/regex.h b/posix/regex.h
index 2132772..a058e3f 100644
--- posix/regex.h
+++ posix/regex.h
@@ -43,21 +43,20 @@ typedef unsigned long int active_reg_t;
    add or remove a bit, only one other definition need change.  */
 typedef unsigned long int reg_syntax_t;
 
-#ifdef __USE_GNU
 /* If this bit is not set, then \ inside a bracket expression is literal.
    If set, then such a \ quotes the following character.  */
-# define RE_BACKSLASH_ESCAPE_IN_LISTS ((unsigned long int) 1)
+#define RE_BACKSLASH_ESCAPE_IN_LISTS ((unsigned long int) 1)
 
 /* If this bit is not set, then + and ? are operators, and \+ and \? are
      literals.
    If set, then \+ and \? are operators and + and ? are literals.  */
-# define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1)
+#define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1)
 
 /* If this bit is set, then character classes are supported.  They are:
      [:alpha:], [:upper:], [:lower:],  [:digit:], [:alnum:], [:xdigit:],
      [:space:], [:print:], [:punct:], [:graph:], and [:cntrl:].
    If not set, then character classes are not supported.  */
-# define RE_CHAR_CLASSES (RE_BK_PLUS_QM << 1)
+#define RE_CHAR_CLASSES (RE_BK_PLUS_QM << 1)
 
 /* If this bit is set, then ^ and $ are always anchors (outside bracket
      expressions, of course).
@@ -71,7 +70,7 @@ typedef unsigned long int reg_syntax_t;
    POSIX draft 11.2 says that * etc. in leading positions is undefined.
    We already implemented a previous draft which made those constructs
    invalid, though, so we haven't changed the code back.  */
-# define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
+#define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
 
 /* If this bit is set, then special characters are always special
      regardless of where they are in the pattern.
@@ -79,71 +78,71 @@ typedef unsigned long int reg_syntax_t;
      some contexts; otherwise they are ordinary.  Specifically,
      * + ? and intervals are only special when not after the beginning,
      open-group, or alternation operator.  */
-# define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1)
+#define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1)
 
 /* If this bit is set, then *, +, ?, and { cannot be first in an re or
      immediately after an alternation or begin-group operator.  */
-# define RE_CONTEXT_INVALID_OPS (RE_CONTEXT_INDEP_OPS << 1)
+#define RE_CONTEXT_INVALID_OPS (RE_CONTEXT_INDEP_OPS << 1)
 
 /* If this bit is set, then . matches newline.
    If not set, then it doesn't.  */
-# define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1)
+#define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1)
 
 /* If this bit is set, then . doesn't match NUL.
    If not set, then it does.  */
-# define RE_DOT_NOT_NULL (RE_DOT_NEWLINE << 1)
+#define RE_DOT_NOT_NULL (RE_DOT_NEWLINE << 1)
 
 /* If this bit is set, nonmatching lists [^...] do not match newline.
    If not set, they do.  */
-# define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1)
+#define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1)
 
 /* If this bit is set, either \{...\} or {...} defines an
      interval, depending on RE_NO_BK_BRACES.
    If not set, \{, \}, {, and } are literals.  */
-# define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
+#define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
 
 /* If this bit is set, +, ? and | aren't recognized as operators.
    If not set, they are.  */
-# define RE_LIMITED_OPS (RE_INTERVALS << 1)
+#define RE_LIMITED_OPS (RE_INTERVALS << 1)
 
 /* If this bit is set, newline is an alternation operator.
    If not set, newline is literal.  */
-# define RE_NEWLINE_ALT (RE_LIMITED_OPS << 1)
+#define RE_NEWLINE_ALT (RE_LIMITED_OPS << 1)
 
 /* If this bit is set, then `{...}' defines an interval, and \{ and \}
      are literals.
   If not set, then `\{...\}' defines an interval.  */
-# define RE_NO_BK_BRACES (RE_NEWLINE_ALT << 1)
+#define RE_NO_BK_BRACES (RE_NEWLINE_ALT << 1)
 
 /* If this bit is set, (...) defines a group, and \( and \) are literals.
    If not set, \(...\) defines a group, and ( and ) are literals.  */
-# define RE_NO_BK_PARENS (RE_NO_BK_BRACES << 1)
+#define RE_NO_BK_PARENS (RE_NO_BK_BRACES << 1)
 
 /* If this bit is set, then \<digit> matches <digit>.
    If not set, then \<digit> is a back-reference.  */
-# define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1)
+#define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1)
 
 /* If this bit is set, then | is an alternation operator, and \| is literal.
    If not set, then \| is an alternation operator, and | is literal.  */
-# define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1)
+#define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1)
 
 /* If this bit is set, then an ending range point collating higher
      than the starting range point, as in [z-a], is invalid.
    If not set, then when ending range point collates higher than the
      starting range point, the range is ignored.  */
-# define RE_NO_EMPTY_RANGES (RE_NO_BK_VBAR << 1)
+#define RE_NO_EMPTY_RANGES (RE_NO_BK_VBAR << 1)
 
 /* If this bit is set, then an unmatched ) is ordinary.
    If not set, then an unmatched ) is invalid.  */
-# define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1)
+#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1)
 
 /* If this bit is set, succeed as soon as we match the whole pattern,
    without further backtracking.  */
-# define RE_NO_POSIX_BACKTRACKING (RE_UNMATCHED_RIGHT_PAREN_ORD << 1)
+#define RE_NO_POSIX_BACKTRACKING (RE_UNMATCHED_RIGHT_PAREN_ORD << 1)
 
 /* If this bit is set, do not process the GNU regex operators.
    If not set, then the GNU regex operators are recognized. */
-# define RE_NO_GNU_OPS (RE_NO_POSIX_BACKTRACKING << 1)
+#define RE_NO_GNU_OPS (RE_NO_POSIX_BACKTRACKING << 1)
 
 /* If this bit is set, turn on internal regex debugging.
    If not set, and debugging was on, turn it off.
@@ -151,30 +150,29 @@ typedef unsigned long int reg_syntax_t;
    We define this bit always, so that all that's needed to turn on
    debugging is to recompile regex.c; the calling code can always have
    this bit set, and it won't affect anything in the normal case. */
-# define RE_DEBUG (RE_NO_GNU_OPS << 1)
+#define RE_DEBUG (RE_NO_GNU_OPS << 1)
 
 /* If this bit is set, a syntactically invalid interval is treated as
    a string of ordinary characters.  For example, the ERE 'a{1' is
    treated as 'a\{1'.  */
-# define RE_INVALID_INTERVAL_ORD (RE_DEBUG << 1)
+#define RE_INVALID_INTERVAL_ORD (RE_DEBUG << 1)
 
 /* If this bit is set, then ignore case when matching.
    If not set, then case is significant.  */
-# define RE_ICASE (RE_INVALID_INTERVAL_ORD << 1)
+#define RE_ICASE (RE_INVALID_INTERVAL_ORD << 1)
 
 /* This bit is used internally like RE_CONTEXT_INDEP_ANCHORS but only
    for ^, because it is difficult to scan the regex backwards to find
    whether ^ should be special.  */
-# define RE_CARET_ANCHORS_HERE (RE_ICASE << 1)
+#define RE_CARET_ANCHORS_HERE (RE_ICASE << 1)
 
 /* If this bit is set, then \{ cannot be first in an bre or
    immediately after an alternation or begin-group operator.  */
-# define RE_CONTEXT_INVALID_DUP (RE_CARET_ANCHORS_HERE << 1)
+#define RE_CONTEXT_INVALID_DUP (RE_CARET_ANCHORS_HERE << 1)
 
 /* If this bit is set, then no_sub will be set to 1 during
    re_compile_pattern.  */
-# define RE_NO_SUB (RE_CONTEXT_INVALID_DUP << 1)
-#endif
+#define RE_NO_SUB (RE_CONTEXT_INVALID_DUP << 1)
 
 /* This global variable defines the particular regexp syntax to use (for
    some interfaces).  When a regexp is compiled, the syntax used is
@@ -182,7 +180,6 @@ typedef unsigned long int reg_syntax_t;
    already-compiled regexps.  */
 extern reg_syntax_t re_syntax_options;
 
-#ifdef __USE_GNU
 /* Define combinations of the above bits for the standard possibilities.
    (The [[[ comments delimit what gets put into the Texinfo file, so
    don't delete them!)  */
@@ -257,12 +254,11 @@ extern reg_syntax_t re_syntax_options;
 /* Maximum number of duplicates an interval can allow.  Some systems
    (erroneously) define this in other header files, but we want our
    value, so remove any previous define.  */
-# ifdef RE_DUP_MAX
-#  undef RE_DUP_MAX
-# endif
-/* If sizeof(int) == 2, then ((1 << 15) - 1) overflows.  */
-# define RE_DUP_MAX (0x7fff)
+#ifdef RE_DUP_MAX
+# undef RE_DUP_MAX
 #endif
+/* If sizeof(int) == 2, then ((1 << 15) - 1) overflows.  */
+#define RE_DUP_MAX (0x7fff)
 
 
 /* POSIX `cflags' bits (i.e., information for `regcomp').  */
@@ -341,16 +337,7 @@ typedef enum
    private to the regex routines.  */
 
 #ifndef RE_TRANSLATE_TYPE
-# define __RE_TRANSLATE_TYPE unsigned char *
-# ifdef __USE_GNU
-#  define RE_TRANSLATE_TYPE __RE_TRANSLATE_TYPE
-# endif
-#endif
-
-#ifdef __USE_GNU
-# define __REPB_PREFIX(name) name
-#else
-# define __REPB_PREFIX(name) __##name
+# define RE_TRANSLATE_TYPE unsigned char *
 #endif
 
 struct re_pattern_buffer
@@ -358,27 +345,27 @@ struct re_pattern_buffer
   /* Space that holds the compiled pattern.  It is declared as
      `unsigned char *' because its elements are sometimes used as
      array indexes.  */
-  unsigned char *__REPB_PREFIX(buffer);
+  unsigned char *buffer;
 
   /* Number of bytes to which `buffer' points.  */
-  unsigned long int __REPB_PREFIX(allocated);
+  unsigned long int allocated;
 
   /* Number of bytes actually used in `buffer'.  */
-  unsigned long int __REPB_PREFIX(used);
+  unsigned long int used;
 
   /* Syntax setting with which the pattern was compiled.  */
-  reg_syntax_t __REPB_PREFIX(syntax);
+  reg_syntax_t syntax;
 
   /* Pointer to a fastmap, if any, otherwise zero.  re_search uses the
      fastmap, if there is one, to skip over impossible starting points
      for matches.  */
-  char *__REPB_PREFIX(fastmap);
+  char *fastmap;
 
   /* Either a translate table to apply to all characters before
      comparing them, or zero for no translation.  The translation is
      applied to a pattern when it is compiled and to a string when it
      is matched.  */
-  __RE_TRANSLATE_TYPE __REPB_PREFIX(translate);
+  RE_TRANSLATE_TYPE translate;
 
   /* Number of subexpressions found by the compiler.  */
   size_t re_nsub;
@@ -387,36 +374,34 @@ struct re_pattern_buffer
      Well, in truth it's used only in `re_search_2', to see whether or
      not we should use the fastmap, so we don't set this absolutely
      perfectly; see `re_compile_fastmap' (the `duplicate' case).  */
-  unsigned __REPB_PREFIX(can_be_null) : 1;
+  unsigned can_be_null : 1;
 
   /* If REGS_UNALLOCATED, allocate space in the `regs' structure
      for `max (RE_NREGS, re_nsub + 1)' groups.
      If REGS_REALLOCATE, reallocate space if necessary.
      If REGS_FIXED, use what's there.  */
-#ifdef __USE_GNU
-# define REGS_UNALLOCATED 0
-# define REGS_REALLOCATE 1
-# define REGS_FIXED 2
-#endif
-  unsigned __REPB_PREFIX(regs_allocated) : 2;
+#define REGS_UNALLOCATED 0
+#define REGS_REALLOCATE 1
+#define REGS_FIXED 2
+  unsigned regs_allocated : 2;
 
   /* Set to zero when `regex_compile' compiles a pattern; set to one
      by `re_compile_fastmap' if it updates the fastmap.  */
-  unsigned __REPB_PREFIX(fastmap_accurate) : 1;
+  unsigned fastmap_accurate : 1;
 
   /* If set, `re_match_2' does not return information about
      subexpressions.  */
-  unsigned __REPB_PREFIX(no_sub) : 1;
+  unsigned no_sub : 1;
 
   /* If set, a beginning-of-line anchor doesn't match at the beginning
      of the string.  */
-  unsigned __REPB_PREFIX(not_bol) : 1;
+  unsigned not_bol : 1;
 
   /* Similarly for an end-of-line anchor.  */
-  unsigned __REPB_PREFIX(not_eol) : 1;
+  unsigned not_eol : 1;
 
   /* If true, an anchor at a newline matches.  */
-  unsigned __REPB_PREFIX(newline_anchor) : 1;
+  unsigned newline_anchor : 1;
 };
 
 typedef struct re_pattern_buffer regex_t;
@@ -425,7 +410,6 @@ typedef struct re_pattern_buffer regex_t;
 typedef int regoff_t;
 
 
-#ifdef __USE_GNU
 /* This is the structure we store register match data in.  See
    regex.texinfo for a full description of what registers match.  */
 struct re_registers
@@ -439,9 +423,8 @@ struct re_registers
 /* If `regs_allocated' is REGS_UNALLOCATED in the pattern buffer,
    `re_match_2' returns information about at least this many registers
    the first time a `regs' structure is passed.  */
-# ifndef RE_NREGS
-#  define RE_NREGS 30
-# endif
+#ifndef RE_NREGS
+# define RE_NREGS 30
 #endif
 
 
@@ -456,7 +439,6 @@ typedef struct
 
 /* Declarations for routines.  */
 
-#ifdef __USE_GNU
 /* Sets the current default syntax to SYNTAX, and return the old syntax.
    You can also simply assign to the `re_syntax_options' variable.  */
 extern reg_syntax_t re_set_syntax (reg_syntax_t __syntax);
@@ -521,9 +503,8 @@ extern void re_set_registers (struct re_pattern_buffer *__buffer,
 			      struct re_registers *__regs,
 			      unsigned int __num_regs,
 			      regoff_t *__starts, regoff_t *__ends);
-#endif	/* Use GNU */
 
-#if defined _REGEX_RE_COMP || (defined _LIBC && defined __USE_BSD)
+#if defined _REGEX_RE_COMP || defined _LIBC
 # ifndef _CRAY
 /* 4.2 bsd compatibility.  */
 extern char *re_comp (const char *);
diff --git a/resolv/netdb.h b/resolv/netdb.h
index a260c48..7c5c9c9 100644
--- resolv/netdb.h
+++ resolv/netdb.h
@@ -62,6 +62,8 @@ extern int *__h_errno_location (void) __THROW __attribute__ ((__const__));
 
 
 /* Possible values left in `h_errno'.  */
+#define	NETDB_INTERNAL	-1	/* See errno.  */
+#define	NETDB_SUCCESS	0	/* No problem.  */
 #define	HOST_NOT_FOUND	1	/* Authoritative Answer Host not found.  */
 #define	TRY_AGAIN	2	/* Non-Authoritative Host not found,
 				   or SERVERFAIL.  */
@@ -69,11 +71,7 @@ extern int *__h_errno_location (void) __THROW __attribute__ ((__const__));
 				   NOTIMP.  */
 #define	NO_DATA		4	/* Valid name, no data record of requested
 				   type.  */
-#if defined __USE_MISC || defined __USE_GNU
-# define NETDB_INTERNAL	-1	/* See errno.  */
-# define NETDB_SUCCESS	0	/* No problem.  */
-# define NO_ADDRESS	NO_DATA	/* No address, look for MX record.  */
-#endif
+#define	NO_ADDRESS	NO_DATA	/* No address, look for MX record.  */
 
 #ifdef __USE_XOPEN2K
 /* Highest reserved Internet port number.  */
@@ -85,14 +83,13 @@ extern int *__h_errno_location (void) __THROW __attribute__ ((__const__));
 # define SCOPE_DELIMITER	'%'
 #endif
 
-#if defined __USE_MISC || defined __USE_GNU
 /* Print error indicated by `h_errno' variable on standard error.  STR
    if non-null is printed before the error string.  */
 extern void herror (__const char *__str) __THROW;
 
 /* Return string associated with error ERR_NUM.  */
 extern __const char *hstrerror (int __err_num) __THROW;
-#endif
+
 
 
 /* Description of data base entry for a single host.  */
@@ -103,9 +100,7 @@ struct hostent
   int h_addrtype;		/* Host address type.  */
   int h_length;			/* Length of address.  */
   char **h_addr_list;		/* List of addresses from name server.  */
-#if defined __USE_MISC || defined __USE_GNU
-# define	h_addr	h_addr_list[0] /* Address, for backward compatibility.*/
-#endif
+#define	h_addr	h_addr_list[0]	/* Address, for backward compatibility.  */
 };
 
 /* Open host data base files and mark them as staying open even after
@@ -595,15 +590,15 @@ struct gaicb
 # define EAI_NONAME	  -2	/* NAME or SERVICE is unknown.  */
 # define EAI_AGAIN	  -3	/* Temporary failure in name resolution.  */
 # define EAI_FAIL	  -4	/* Non-recoverable failure in name res.  */
+# define EAI_NODATA	  -5	/* No address associated with NAME.  */
 # define EAI_FAMILY	  -6	/* `ai_family' not supported.  */
 # define EAI_SOCKTYPE	  -7	/* `ai_socktype' not supported.  */
 # define EAI_SERVICE	  -8	/* SERVICE not supported for `ai_socktype'.  */
+# define EAI_ADDRFAMILY	  -9	/* Address family for NAME not supported.  */
 # define EAI_MEMORY	  -10	/* Memory allocation failure.  */
 # define EAI_SYSTEM	  -11	/* System error returned in `errno'.  */
 # define EAI_OVERFLOW	  -12	/* Argument buffer overflow.  */
 # ifdef __USE_GNU
-#  define EAI_NODATA	  -5	/* No address associated with NAME.  */
-#  define EAI_ADDRFAMILY  -9	/* Address family for NAME not supported.  */
 #  define EAI_INPROGRESS  -100	/* Processing request in progress.  */
 #  define EAI_CANCELED	  -101	/* Request canceled.  */
 #  define EAI_NOTCANCELED -102	/* Request not canceled.  */
@@ -612,10 +607,8 @@ struct gaicb
 #  define EAI_IDN_ENCODE  -105	/* IDN encoding failed.  */
 # endif
 
-# ifdef __USE_MISC
-#  define NI_MAXHOST      1025
-#  define NI_MAXSERV      32
-# endif
+# define NI_MAXHOST      1025
+# define NI_MAXSERV      32
 
 # define NI_NUMERICHOST	1	/* Don't try to look up hostname.  */
 # define NI_NUMERICSERV 2	/* Don't convert port number to name.  */
diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h
index 433c033..6880a2e 100644
--- sysdeps/unix/sysv/linux/bits/in.h
+++ sysdeps/unix/sysv/linux/bits/in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1999, 2000, 2004, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999, 2000, 2004 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
@@ -43,18 +43,16 @@
 #define IP_ADD_SOURCE_MEMBERSHIP 39 /* ip_mreq_source: join source group */
 #define IP_DROP_SOURCE_MEMBERSHIP 40 /* ip_mreq_source: leave source group */
 #define IP_MSFILTER 41
-#if defined __USE_MISC || defined __USE_GNU
-# define MCAST_JOIN_GROUP 42	/* group_req: join any-source group */
-# define MCAST_BLOCK_SOURCE 43	/* group_source_req: block from given group */
-# define MCAST_UNBLOCK_SOURCE 44 /* group_source_req: unblock from given group*/
-# define MCAST_LEAVE_GROUP 45	/* group_req: leave any-source group */
-# define MCAST_JOIN_SOURCE_GROUP 46 /* group_source_req: join source-spec gr */
-# define MCAST_LEAVE_SOURCE_GROUP 47 /* group_source_req: leave source-spec gr*/
-# define MCAST_MSFILTER 48
-
-# define MCAST_EXCLUDE   0
-# define MCAST_INCLUDE   1
-#endif
+#define MCAST_JOIN_GROUP 42	/* group_req: join any-source group */
+#define MCAST_BLOCK_SOURCE 43	/* group_source_req: block from given group */
+#define MCAST_UNBLOCK_SOURCE 44	/* group_source_req: unblock from given group*/
+#define MCAST_LEAVE_GROUP 45	/* group_req: leave any-source group */
+#define MCAST_JOIN_SOURCE_GROUP 46 /* group_source_req: join source-spec gr */
+#define MCAST_LEAVE_SOURCE_GROUP 47 /* group_source_req: leave source-spec gr*/
+#define MCAST_MSFILTER 48
+
+#define MCAST_EXCLUDE   0
+#define MCAST_INCLUDE   1
 
 #define IP_ROUTER_ALERT    5	/* bool */
 #define IP_PKTINFO         8	/* bool */
@@ -78,7 +76,6 @@
 #define IP_DEFAULT_MULTICAST_LOOP       1
 #define IP_MAX_MEMBERSHIPS              20
 
-#if defined __USE_MISC || defined __USE_GNU
 /* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
    The `ip_dst' field is used for the first-hop gateway when using a
    source route (this gets put into the header proper).  */
@@ -103,7 +100,6 @@ struct in_pktinfo
     struct in_addr ipi_spec_dst;	/* Routing destination address  */
     struct in_addr ipi_addr;		/* Header destination address  */
   };
-#endif
 
 /* Options for use with `getsockopt' and `setsockopt' at the IPv6 level.
    The first word in the comment at the right is the data type used;
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index ceb6013..11bb607 100644
--- sysdeps/unix/sysv/linux/bits/socket.h
+++ sysdeps/unix/sysv/linux/bits/socket.h
@@ -26,8 +26,10 @@
 #endif
 
 #define	__need_size_t
+#define __need_NULL
 #include <stddef.h>
 
+#include <limits.h>
 #include <sys/types.h>
 
 /* Type for length arguments in socket calls.  */
@@ -154,7 +156,11 @@ struct sockaddr
 
 /* Structure large enough to hold any socket address (with the historical
    exception of AF_UNIX).  We reserve 128 bytes.  */
-#define __ss_aligntype	unsigned long int
+#if ULONG_MAX > 0xffffffff
+# define __ss_aligntype	__uint64_t
+#else
+# define __ss_aligntype	__uint32_t
+#endif
 #define _SS_SIZE	128
 #define _SS_PADSIZE	(_SS_SIZE - (2 * sizeof (__ss_aligntype)))
 
@@ -257,7 +263,7 @@ struct cmsghdr
 #define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg)
 #define CMSG_FIRSTHDR(mhdr) \
   ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr)		      \
-   ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) 0)
+   ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
 #define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
 			 & (size_t) ~(sizeof (size_t) - 1))
 #define CMSG_SPACE(len) (CMSG_ALIGN (len) \
@@ -301,74 +307,18 @@ enum
 #endif
   };
 
-#ifdef __USE_GNU
 /* User visible structure for SCM_CREDENTIALS message */
+
 struct ucred
 {
   pid_t pid;			/* PID of sending process.  */
   uid_t uid;			/* UID of sending process.  */
   gid_t gid;			/* GID of sending process.  */
 };
-#endif
-
-/* Ugly workaround for unclean kernel headers.  */
-#if !defined __USE_MISC && !defined __USE_GNU
-# ifndef FIOGETOWN
-#  define __SYS_SOCKET_H_undef_FIOGETOWN
-# endif
-# ifndef FIOSETOWN
-#  define __SYS_SOCKET_H_undef_FIOSETOWN
-# endif
-# ifndef SIOCATMARK
-#  define __SYS_SOCKET_H_undef_SIOCATMARK
-# endif
-# ifndef SIOCGPGRP
-#  define __SYS_SOCKET_H_undef_SIOCGPGRP
-# endif
-# ifndef SIOCGSTAMP
-#  define __SYS_SOCKET_H_undef_SIOCGSTAMP
-# endif
-# ifndef SIOCGSTAMPNS
-#  define __SYS_SOCKET_H_undef_SIOCGSTAMPNS
-# endif
-# ifndef SIOCSPGRP
-#  define __SYS_SOCKET_H_undef_SIOCSPGRP
-# endif
-#endif
 
 /* Get socket manipulation related informations from kernel headers.  */
 #include <asm/socket.h>
 
-#if !defined __USE_MISC && !defined __USE_GNU
-# ifdef __SYS_SOCKET_H_undef_FIOGETOWN
-#  undef __SYS_SOCKET_H_undef_FIOGETOWN
-#  undef FIOGETOWN
-# endif
-# ifdef __SYS_SOCKET_H_undef_FIOSETOWN
-#  undef __SYS_SOCKET_H_undef_FIOSETOWN
-#  undef FIOSETOWN
-# endif
-# ifdef __SYS_SOCKET_H_undef_SIOCATMARK
-#  undef __SYS_SOCKET_H_undef_SIOCATMARK
-#  undef SIOCATMARK
-# endif
-# ifdef __SYS_SOCKET_H_undef_SIOCGPGRP
-#  undef __SYS_SOCKET_H_undef_SIOCGPGRP
-#  undef SIOCGPGRP
-# endif
-# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMP
-#  undef __SYS_SOCKET_H_undef_SIOCGSTAMP
-#  undef SIOCGSTAMP
-# endif
-# ifdef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
-#  undef __SYS_SOCKET_H_undef_SIOCGSTAMPNS
-#  undef SIOCGSTAMPNS
-# endif
-# ifdef __SYS_SOCKET_H_undef_SIOCSPGRP
-#  undef __SYS_SOCKET_H_undef_SIOCSPGRP
-#  undef SIOCSPGRP
-# endif
-#endif
 
 /* Structure used to manipulate the SO_LINGER option.  */
 struct linger
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/stat.h b/sysdeps/unix/sysv/linux/x86_64/bits/stat.h
index 286c1a2..add2c8e 100644
--- sysdeps/unix/sysv/linux/x86_64/bits/stat.h
+++ sysdeps/unix/sysv/linux/x86_64/bits/stat.h
@@ -61,7 +61,7 @@ struct stat
     __uid_t st_uid;		/* User ID of the file's owner.	*/
     __gid_t st_gid;		/* Group ID of the file's group.*/
 #if __WORDSIZE == 64
-    int __pad0;
+    int pad0;
 #endif
     __dev_t st_rdev;		/* Device number, if device.  */
 #if __WORDSIZE == 32
@@ -129,7 +129,7 @@ struct stat64
     __uid_t st_uid;		/* User ID of the file's owner.	*/
     __gid_t st_gid;		/* Group ID of the file's group.*/
 #if __WORDSIZE == 64
-    int __pad0;
+    int pad0;
     __dev_t st_rdev;		/* Device number, if device.  */
     __off_t st_size;		/* Size of file, in bytes.  */
 #else
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 9a27efd..c911345 100644
--- sysdeps/posix/getaddrinfo.c
+++ sysdeps/posix/getaddrinfo.c
@@ -1105,22 +1105,22 @@ static const struct prefixentry *labels;
 static const struct prefixentry default_labels[] =
   {
     /* See RFC 3484 for the details.  */
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } }
-      }, 128, 0 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 16, 2 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 96, 3 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } }
-      }, 96, 4 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } },
+      128, 0 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      16, 2 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      96, 3 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } } },
+      96, 4 },
     /* The next two entries differ from RFC 3484.  We need to treat
        IPv6 site-local addresses special because they are never NATed,
        unlike site-locale IPv4 addresses.  If this would not happen, on
@@ -1128,23 +1128,23 @@ static const struct prefixentry default_labels[] =
        sorting would prefer the IPv6 site-local addresses, causing
        unnecessary delays when trying to connect to a global IPv6 address
        through a site-local IPv6 address.  */
-    { { .__in6_u
-	= { .__u6_addr8 = { 0xfe, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 10, 5 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 7, 6 },
+    { { .in6_u
+	= { .u6_addr8 = { 0xfe, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      10, 5 },
+    { { .in6_u
+	= { .u6_addr8 = { 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      7, 6 },
     /* Additional rule for Teredo tunnels.  */
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 32, 7 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 0, 1 }
+    { { .in6_u
+	= { .u6_addr8 = { 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      32, 7 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      0, 1 }
   };
 
 
@@ -1155,26 +1155,26 @@ static const struct prefixentry *precedence;
 static const struct prefixentry default_precedence[] =
   {
     /* See RFC 3484 for the details.  */
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } }
-      }, 128, 50 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 16, 30 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 96, 20 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } }
-      }, 96, 10 },
-    { { .__in6_u
-	= { .__u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }
-      }, 0, 40 }
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } },
+      128, 50 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      16, 30 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      96, 20 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } } },
+      96, 10 },
+    { { .in6_u
+	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+      0, 40 }
   };