diff --git a/bits/in.h b/bits/in.h
index 7dc93c1..9f09776 100644
--- a/bits/in.h
+++ b/bits/in.h
@@ -39,7 +39,7 @@
 #define	IP_RECVDSTADDR	7	/* bool; Receive IP dst addr w/datagram.  */
 #define	IP_RETOPTS	8	/* ip_opts; Set/get IP per-packet options.  */
 #define IP_MULTICAST_IF 9	/* in_addr; set/get IP multicast i/f */
-#define IP_MULTICAST_TTL 10	/* u_char; set/get IP multicast ttl */
+#define IP_MULTICAST_TTL 10	/* unsigned char; set/get IP multicast ttl */
 #define IP_MULTICAST_LOOP 11	/* i_char; set/get IP multicast loopback */
 #define IP_ADD_MEMBERSHIP 12	/* ip_mreq; add an IP group membership */
 #define IP_DROP_MEMBERSHIP 13	/* ip_mreq; drop an IP group membership */
diff --git a/gmon/sys/gmon.h b/gmon/sys/gmon.h
index 5b430ab..29cc321 100644
--- a/gmon/sys/gmon.h
+++ b/gmon/sys/gmon.h
@@ -117,7 +117,7 @@ extern struct __bb *__bb_head;
 /*
  * The type used to represent indices into gmonparam.tos[].
  */
-#define	ARCINDEX	u_long
+#define	ARCINDEX	unsigned long
 
 /*
  * Maximum number of arcs we want to allow.
@@ -130,7 +130,7 @@ extern struct __bb *__bb_head;
 #define MAXARCS		(1 << 20)
 
 struct tostruct {
-	u_long		selfpc;
+	unsigned long		selfpc;
 	long		count;
 	ARCINDEX	link;
 };
@@ -140,8 +140,8 @@ struct tostruct {
  * the called site and a count.
  */
 struct rawarc {
-	u_long	raw_frompc;
-	u_long	raw_selfpc;
+	unsigned long	raw_frompc;
+	unsigned long	raw_selfpc;
 	long	raw_count;
 };
 
@@ -156,17 +156,17 @@ struct rawarc {
  */
 struct gmonparam {
 	long int	state;
-	u_short		*kcount;
-	u_long		kcountsize;
+	unsigned short		*kcount;
+	unsigned long		kcountsize;
 	ARCINDEX	*froms;
-	u_long		fromssize;
+	unsigned long		fromssize;
 	struct tostruct	*tos;
-	u_long		tossize;
+	unsigned long		tossize;
 	long		tolimit;
-	u_long		lowpc;
-	u_long		highpc;
-	u_long		textsize;
-	u_long		hashfraction;
+	unsigned long		lowpc;
+	unsigned long		highpc;
+	unsigned long		textsize;
+	unsigned long		hashfraction;
 	long		log_hashfraction;
 };
 
@@ -190,8 +190,8 @@ struct gmonparam {
 __BEGIN_DECLS
 
 /* Set up data structures and start profiling.  */
-extern void __monstartup (u_long __lowpc, u_long __highpc) __THROW;
-extern void monstartup (u_long __lowpc, u_long __highpc) __THROW;
+extern void __monstartup (unsigned long __lowpc, unsigned long __highpc) __THROW;
+extern void monstartup (unsigned long __lowpc, unsigned long __highpc) __THROW;
 
 /* Clean up profiling and write out gmon.out.  */
 extern void _mcleanup (void) __THROW;
diff --git a/include/arpa/nameser.h b/include/arpa/nameser.h
index 57f7457..9da5420 100644
--- a/include/arpa/nameser.h
+++ b/include/arpa/nameser.h
@@ -47,8 +47,8 @@ extern const struct _ns_flagdata _ns_flagdata[] attribute_hidden;
 
 #endif
 
-extern u_int		__ns_get16 (const u_char *) __THROW;
-extern u_long		__ns_get32 (const u_char *) __THROW;
+extern unsigned int		__ns_get16 (const unsigned char *) __THROW;
+extern unsigned long		__ns_get32 (const unsigned char *) __THROW;
 
 #define ns_msg_getflag(handle, flag) \
   (((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift)
diff --git a/include/resolv.h b/include/resolv.h
index 4c61476..8dd8329 100644
--- a/include/resolv.h
+++ b/include/resolv.h
@@ -29,16 +29,16 @@ extern struct hostent *_gethtent (void);
 extern struct hostent *_gethtbyname (const char *__name);
 extern struct hostent *_gethtbyname2 (const char *__name, int __af);
 struct hostent *_gethtbyaddr (const char *addr, size_t __len, int __af);
-extern u_int32_t _getlong (const u_char *__src);
-extern u_int16_t _getshort (const u_char *__src);
-extern void res_pquery (const res_state __statp, const u_char *__msg,
+extern uint32_t _getlong (const unsigned char *__src);
+extern uint16_t _getshort (const unsigned char *__src);
+extern void res_pquery (const res_state __statp, const unsigned char *__msg,
 			int __len, FILE *__file);
 extern void res_send_setqhook (res_send_qhook __hook);
 extern void res_send_setrhook (res_send_rhook __hook);
 extern int res_ourserver_p (const res_state __statp,
 			    const struct sockaddr_in6 *__inp);
 extern void __res_iclose (res_state statp, bool free_addr);
-extern int __res_nopt(res_state statp, int n0, u_char *buf, int buflen,
+extern int __res_nopt(res_state statp, int n0, unsigned char *buf, int buflen,
 		      int anslen);
 libc_hidden_proto (__res_ninit)
 libc_hidden_proto (__res_maybe_init)
@@ -47,12 +47,12 @@ libc_hidden_proto (__res_iclose)
 libc_hidden_proto (__res_randomid)
 libc_hidden_proto (__res_state)
 
-int __libc_res_nquery (res_state, const char *, int, int, u_char *, int,
-		       u_char **, u_char **, int *, int *, int *);
-int __libc_res_nsearch (res_state, const char *, int, int, u_char *, int,
-			u_char **, u_char **, int *, int *, int *);
-int __libc_res_nsend (res_state, const u_char *, int, const u_char *, int,
-		      u_char *, int, u_char **, u_char **, int *, int *, int *)
+int __libc_res_nquery (res_state, const char *, int, int, unsigned char *, int,
+		       unsigned char **, unsigned char **, int *, int *, int *);
+int __libc_res_nsearch (res_state, const char *, int, int, unsigned char *, int,
+			unsigned char **, unsigned char **, int *, int *, int *);
+int __libc_res_nsend (res_state, const unsigned char *, int, const unsigned char *, int,
+		      unsigned char *, int, unsigned char **, unsigned char **, int *, int *, int *)
   attribute_hidden;
 
 libresolv_hidden_proto (_sethtent)
diff --git a/inet/netinet/igmp.h b/inet/netinet/igmp.h
index fc7599e..314da39 100644
--- a/inet/netinet/igmp.h
+++ b/inet/netinet/igmp.h
@@ -64,9 +64,9 @@ __BEGIN_DECLS
  */
 
 struct igmp {
-  u_int8_t igmp_type;             /* IGMP type */
-  u_int8_t igmp_code;             /* routing code */
-  u_int16_t igmp_cksum;           /* checksum */
+  uint8_t igmp_type;             /* IGMP type */
+  uint8_t igmp_code;             /* routing code */
+  uint16_t igmp_cksum;           /* checksum */
   struct in_addr igmp_group;      /* group address */
 };
 
diff --git a/inet/protocols/routed.h b/inet/protocols/routed.h
index befd865..adb1767 100644
--- a/inet/protocols/routed.h
+++ b/inet/protocols/routed.h
@@ -48,9 +48,9 @@ struct netinfo {
 };
 
 struct rip {
-	u_char	rip_cmd;		/* request/response */
-	u_char	rip_vers;		/* protocol version # */
-	u_char	rip_res1[2];		/* pad to 32-bit boundary */
+	unsigned char	rip_cmd;		/* request/response */
+	unsigned char	rip_vers;		/* protocol version # */
+	unsigned char	rip_res1[2];		/* pad to 32-bit boundary */
 	union {
 		struct	netinfo ru_nets[1];	/* variable length... */
 		char	ru_tracefile[1];	/* ditto ... */
diff --git a/inet/protocols/talkd.h b/inet/protocols/talkd.h
index a8f33b1..b37cfb5 100644
--- a/inet/protocols/talkd.h
+++ b/inet/protocols/talkd.h
@@ -57,11 +57,11 @@
  * Client->server request message format.
  */
 typedef struct {
-	u_char	vers;		/* protocol version */
-	u_char	type;		/* request type, see below */
-	u_char	answer;		/* not used */
-	u_char	pad;
-	u_int32_t id_num;	/* message id */
+	unsigned char	vers;		/* protocol version */
+	unsigned char	type;		/* request type, see below */
+	unsigned char	answer;		/* not used */
+	unsigned char	pad;
+	uint32_t id_num;	/* message id */
 	struct	osockaddr addr;		/* old (4.3) style */
 	struct	osockaddr ctl_addr;	/* old (4.3) style */
 	int32_t	pid;		/* caller's process id */
@@ -76,11 +76,11 @@ typedef struct {
  * Server->client response message format.
  */
 typedef struct {
-	u_char	vers;		/* protocol version */
-	u_char	type;		/* type of request message, see below */
-	u_char	answer;		/* response to request message, see below */
-	u_char	pad;
-	u_int32_t id_num;	/* message id */
+	unsigned char	vers;		/* protocol version */
+	unsigned char	type;		/* type of request message, see below */
+	unsigned char	answer;		/* response to request message, see below */
+	unsigned char	pad;
+	uint32_t id_num;	/* message id */
 	struct	osockaddr addr;	/* address for establishing conversation */
 } CTL_RESPONSE;
 
diff --git a/inet/protocols/timed.h b/inet/protocols/timed.h
index b5d4702..cabdce4 100644
--- a/inet/protocols/timed.h
+++ b/inet/protocols/timed.h
@@ -44,9 +44,9 @@
 #define MAXHOSTNAMELEN	64
 
 struct tsp {
-	u_char	tsp_type;
-	u_char	tsp_vers;
-	u_short	tsp_seq;
+	unsigned char	tsp_type;
+	unsigned char	tsp_vers;
+	unsigned short	tsp_seq;
 	union {
 		struct timeval tspu_time;
 		char tspu_hopcnt;
diff --git a/io/fts.h b/io/fts.h
index 127a0d2..806c5a1 100644
--- a/io/fts.h
+++ b/io/fts.h
@@ -105,8 +105,8 @@ typedef struct _ftsent {
 	char *fts_path;			/* root path */
 	int fts_errno;			/* errno for this node */
 	int fts_symfd;			/* fd for symlink */
-	u_short fts_pathlen;		/* strlen(fts_path) */
-	u_short fts_namelen;		/* strlen(fts_name) */
+	unsigned short fts_pathlen;		/* strlen(fts_path) */
+	unsigned short fts_namelen;		/* strlen(fts_name) */
 
 	ino_t fts_ino;			/* inode */
 	dev_t fts_dev;			/* device */
@@ -130,17 +130,17 @@ typedef struct _ftsent {
 #define	FTS_SL		12		/* symbolic link */
 #define	FTS_SLNONE	13		/* symbolic link without target */
 #define FTS_W		14		/* whiteout object */
-	u_short fts_info;		/* user flags for FTSENT structure */
+	unsigned short fts_info;		/* user flags for FTSENT structure */
 
 #define	FTS_DONTCHDIR	 0x01		/* don't chdir .. to the parent */
 #define	FTS_SYMFOLLOW	 0x02		/* followed a symlink to get here */
-	u_short fts_flags;		/* private flags for FTSENT structure */
+	unsigned short fts_flags;		/* private flags for FTSENT structure */
 
 #define	FTS_AGAIN	 1		/* read node again */
 #define	FTS_FOLLOW	 2		/* follow symbolic link */
 #define	FTS_NOINSTR	 3		/* no instructions */
 #define	FTS_SKIP	 4		/* discard node */
-	u_short fts_instr;		/* fts_set() instructions */
+	unsigned short fts_instr;		/* fts_set() instructions */
 
 	struct stat *fts_statp;		/* stat(2) information */
 	char fts_name[1];		/* file name */
@@ -157,8 +157,8 @@ typedef struct _ftsent64 {
 	char *fts_path;			/* root path */
 	int fts_errno;			/* errno for this node */
 	int fts_symfd;			/* fd for symlink */
-	u_short fts_pathlen;		/* strlen(fts_path) */
-	u_short fts_namelen;		/* strlen(fts_name) */
+	unsigned short fts_pathlen;		/* strlen(fts_path) */
+	unsigned short fts_namelen;		/* strlen(fts_name) */
 
 	ino64_t fts_ino;		/* inode */
 	dev_t fts_dev;			/* device */
@@ -166,11 +166,11 @@ typedef struct _ftsent64 {
 
 	short fts_level;		/* depth (-1 to N) */
 
-	u_short fts_info;		/* user flags for FTSENT structure */
+	unsigned short fts_info;		/* user flags for FTSENT structure */
 
-	u_short fts_flags;		/* private flags for FTSENT structure */
+	unsigned short fts_flags;		/* private flags for FTSENT structure */
 
-	u_short fts_instr;		/* fts_set() instructions */
+	unsigned short fts_instr;		/* fts_set() instructions */
 
 	struct stat64 *fts_statp;	/* stat(2) information */
 	char fts_name[1];		/* file name */
diff --git a/nptl_db/thread_db.h b/nptl_db/thread_db.h
index abb95df..540c318 100644
--- a/nptl_db/thread_db.h
+++ b/nptl_db/thread_db.h
@@ -108,7 +108,7 @@ struct link_map;
 
 #define TD_EVENTSIZE	2
 #define BT_UISHIFT	5 /* log base 2 of BT_NBIPUI, to extract word index */
-#define BT_NBIPUI	(1 << BT_UISHIFT)       /* n bits per uint */
+#define BT_NBIPUI	(1 << BT_UISHIFT)       /* n bits per unsigned int */
 #define BT_UIMASK	(BT_NBIPUI - 1)         /* to extract bit index */
 
 /* Bitmask of enabled events. */
diff --git a/resolv/arpa/nameser.h b/resolv/arpa/nameser.h
index 04f8844..0fa1085 100644
--- a/resolv/arpa/nameser.h
+++ b/resolv/arpa/nameser.h
@@ -80,9 +80,9 @@
 #define NS_HFIXEDSZ	12	/*%< #/bytes of fixed data in header */
 #define NS_QFIXEDSZ	4	/*%< #/bytes of fixed data in query */
 #define NS_RRFIXEDSZ	10	/*%< #/bytes of fixed data in r record */
-#define NS_INT32SZ	4	/*%< #/bytes of data in a u_int32_t */
-#define NS_INT16SZ	2	/*%< #/bytes of data in a u_int16_t */
-#define NS_INT8SZ	1	/*%< #/bytes of data in a u_int8_t */
+#define NS_INT32SZ	4	/*%< #/bytes of data in a uint32_t */
+#define NS_INT16SZ	2	/*%< #/bytes of data in a uint16_t */
+#define NS_INT8SZ	1	/*%< #/bytes of data in a uint8_t */
 #define NS_INADDRSZ	4	/*%< IPv4 T_A */
 #define NS_IN6ADDRSZ	16	/*%< IPv6 T_AAAA */
 #define NS_CMPRSFLGS	0xc0	/*%< Flag bits indicating name compression. */
@@ -108,12 +108,12 @@ typedef enum __ns_sect {
  * leading _'s on the member names.  Use the accessor functions, not the _'s.
  */
 typedef struct __ns_msg {
-	const u_char	*_msg, *_eom;
-	u_int16_t	_id, _flags, _counts[ns_s_max];
-	const u_char	*_sections[ns_s_max];
+	const unsigned char	*_msg, *_eom;
+	uint16_t	_id, _flags, _counts[ns_s_max];
+	const unsigned char	*_sections[ns_s_max];
 	ns_sect		_sect;
 	int		_rrnum;
-	const u_char	*_msg_ptr;
+	const unsigned char	*_msg_ptr;
 } ns_msg;
 
 /* Private data structure - do not use from outside library. */
@@ -133,11 +133,11 @@ extern const struct _ns_flagdata _ns_flagdata[];
  */
 typedef	struct __ns_rr {
 	char		name[NS_MAXDNAME];
-	u_int16_t	type;
-	u_int16_t	rr_class;
-	u_int32_t	ttl;
-	u_int16_t	rdlength;
-	const u_char *	rdata;
+	uint16_t	type;
+	uint16_t	rr_class;
+	uint32_t	ttl;
+	uint16_t	rdlength;
+	const unsigned char *	rdata;
 } ns_rr;
 
 /* Accessor macros - this is part of the public interface. */
@@ -429,34 +429,34 @@ typedef enum __ns_cert_types {
  * Inline versions of get/put short/long.  Pointer is advanced.
  */
 #define NS_GET16(s, cp) do { \
-	const u_char *t_cp = (const u_char *)(cp); \
-	(s) = ((u_int16_t)t_cp[0] << 8) \
-	    | ((u_int16_t)t_cp[1]) \
+	const unsigned char *t_cp = (const unsigned char *)(cp); \
+	(s) = ((uint16_t)t_cp[0] << 8) \
+	    | ((uint16_t)t_cp[1]) \
 	    ; \
 	(cp) += NS_INT16SZ; \
 } while (0)
 
 #define NS_GET32(l, cp) do { \
-	const u_char *t_cp = (const u_char *)(cp); \
-	(l) = ((u_int32_t)t_cp[0] << 24) \
-	    | ((u_int32_t)t_cp[1] << 16) \
-	    | ((u_int32_t)t_cp[2] << 8) \
-	    | ((u_int32_t)t_cp[3]) \
+	const unsigned char *t_cp = (const unsigned char *)(cp); \
+	(l) = ((uint32_t)t_cp[0] << 24) \
+	    | ((uint32_t)t_cp[1] << 16) \
+	    | ((uint32_t)t_cp[2] << 8) \
+	    | ((uint32_t)t_cp[3]) \
 	    ; \
 	(cp) += NS_INT32SZ; \
 } while (0)
 
 #define NS_PUT16(s, cp) do { \
-	u_int16_t t_s = (u_int16_t)(s); \
-	u_char *t_cp = (u_char *)(cp); \
+	uint16_t t_s = (uint16_t)(s); \
+	unsigned char *t_cp = (unsigned char *)(cp); \
 	*t_cp++ = t_s >> 8; \
 	*t_cp   = t_s; \
 	(cp) += NS_INT16SZ; \
 } while (0)
 
 #define NS_PUT32(l, cp) do { \
-	u_int32_t t_l = (u_int32_t)(l); \
-	u_char *t_cp = (u_char *)(cp); \
+	uint32_t t_l = (uint32_t)(l); \
+	unsigned char *t_cp = (unsigned char *)(cp); \
 	*t_cp++ = t_l >> 24; \
 	*t_cp++ = t_l >> 16; \
 	*t_cp++ = t_l >> 8; \
@@ -466,56 +466,56 @@ typedef enum __ns_cert_types {
 
 __BEGIN_DECLS
 int		ns_msg_getflag (ns_msg, int) __THROW;
-u_int		ns_get16 (const u_char *) __THROW;
-u_long		ns_get32 (const u_char *) __THROW;
-void		ns_put16 (u_int, u_char *) __THROW;
-void		ns_put32 (u_long, u_char *) __THROW;
-int		ns_initparse (const u_char *, int, ns_msg *) __THROW;
-int		ns_skiprr (const u_char *, const u_char *, ns_sect, int)
+unsigned int		ns_get16 (const unsigned char *) __THROW;
+unsigned long		ns_get32 (const unsigned char *) __THROW;
+void		ns_put16 (unsigned int, unsigned char *) __THROW;
+void		ns_put32 (unsigned long, unsigned char *) __THROW;
+int		ns_initparse (const unsigned char *, int, ns_msg *) __THROW;
+int		ns_skiprr (const unsigned char *, const unsigned char *, ns_sect, int)
      __THROW;
 int		ns_parserr (ns_msg *, ns_sect, int, ns_rr *) __THROW;
 int		ns_sprintrr (const ns_msg *, const ns_rr *,
 			     const char *, const char *, char *, size_t)
      __THROW;
-int		ns_sprintrrf (const u_char *, size_t, const char *,
-			      ns_class, ns_type, u_long, const u_char *,
+int		ns_sprintrrf (const unsigned char *, size_t, const char *,
+			      ns_class, ns_type, unsigned long, const unsigned char *,
 			      size_t, const char *, const char *,
 			      char *, size_t) __THROW;
-int		ns_format_ttl (u_long, char *, size_t) __THROW;
-int		ns_parse_ttl (const char *, u_long *) __THROW;
-u_int32_t	ns_datetosecs (const char *, int *) __THROW;
-int		ns_name_ntol (const u_char *, u_char *, size_t) __THROW;
-int		ns_name_ntop (const u_char *, char *, size_t) __THROW;
-int		ns_name_pton (const char *, u_char *, size_t) __THROW;
-int		ns_name_unpack (const u_char *, const u_char *,
-				const u_char *, u_char *, size_t) __THROW;
-int		ns_name_pack (const u_char *, u_char *, int,
-			      const u_char **, const u_char **) __THROW;
-int		ns_name_uncompress (const u_char *, const u_char *,
-				    const u_char *, char *, size_t) __THROW;
-int		ns_name_compress (const char *, u_char *, size_t,
-				  const u_char **, const u_char **) __THROW;
-int		ns_name_skip (const u_char **, const u_char *) __THROW;
-void		ns_name_rollback (const u_char *, const u_char **,
-				  const u_char **) __THROW;
-int		ns_sign (u_char *, int *, int, int, void *,
-			 const u_char *, int, u_char *, int *, time_t) __THROW;
-int		ns_sign2 (u_char *, int *, int, int, void *,
-			  const u_char *, int, u_char *, int *, time_t,
-			  u_char **, u_char **) __THROW;
-int		ns_sign_tcp (u_char *, int *, int, int,
+int		ns_format_ttl (unsigned long, char *, size_t) __THROW;
+int		ns_parse_ttl (const char *, unsigned long *) __THROW;
+uint32_t	ns_datetosecs (const char *, int *) __THROW;
+int		ns_name_ntol (const unsigned char *, unsigned char *, size_t) __THROW;
+int		ns_name_ntop (const unsigned char *, char *, size_t) __THROW;
+int		ns_name_pton (const char *, unsigned char *, size_t) __THROW;
+int		ns_name_unpack (const unsigned char *, const unsigned char *,
+				const unsigned char *, unsigned char *, size_t) __THROW;
+int		ns_name_pack (const unsigned char *, unsigned char *, int,
+			      const unsigned char **, const unsigned char **) __THROW;
+int		ns_name_uncompress (const unsigned char *, const unsigned char *,
+				    const unsigned char *, char *, size_t) __THROW;
+int		ns_name_compress (const char *, unsigned char *, size_t,
+				  const unsigned char **, const unsigned char **) __THROW;
+int		ns_name_skip (const unsigned char **, const unsigned char *) __THROW;
+void		ns_name_rollback (const unsigned char *, const unsigned char **,
+				  const unsigned char **) __THROW;
+int		ns_sign (unsigned char *, int *, int, int, void *,
+			 const unsigned char *, int, unsigned char *, int *, time_t) __THROW;
+int		ns_sign2 (unsigned char *, int *, int, int, void *,
+			  const unsigned char *, int, unsigned char *, int *, time_t,
+			  unsigned char **, unsigned char **) __THROW;
+int		ns_sign_tcp (unsigned char *, int *, int, int,
 			     ns_tcp_tsig_state *, int) __THROW;
-int		ns_sign_tcp2 (u_char *, int *, int, int,
+int		ns_sign_tcp2 (unsigned char *, int *, int, int,
 			      ns_tcp_tsig_state *, int,
-			      u_char **, u_char **) __THROW;
-int		ns_sign_tcp_init (void *, const u_char *, int,
+			      unsigned char **, unsigned char **) __THROW;
+int		ns_sign_tcp_init (void *, const unsigned char *, int,
 				  ns_tcp_tsig_state *) __THROW;
-u_char		*ns_find_tsig (u_char *, u_char *) __THROW;
-int		ns_verify (u_char *, int *, void *, const u_char *, int,
-			   u_char *, int *, time_t *, int) __THROW;
-int		ns_verify_tcp (u_char *, int *, ns_tcp_tsig_state *, int)
+unsigned char		*ns_find_tsig (unsigned char *, unsigned char *) __THROW;
+int		ns_verify (unsigned char *, int *, void *, const unsigned char *, int,
+			   unsigned char *, int *, time_t *, int) __THROW;
+int		ns_verify_tcp (unsigned char *, int *, ns_tcp_tsig_state *, int)
      __THROW;
-int		ns_verify_tcp_init (void *, const u_char *, int,
+int		ns_verify_tcp_init (void *, const unsigned char *, int,
 				    ns_tcp_tsig_state *) __THROW;
 int		ns_samedomain (const char *, const char *) __THROW;
 int		ns_subdomain (const char *, const char *) __THROW;
diff --git a/resolv/resolv.h b/resolv/resolv.h
index f55e7ce..f4f81b4 100644
--- a/resolv/resolv.h
+++ b/resolv/resolv.h
@@ -72,16 +72,16 @@ typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
 	res_sendhookact;
 
 typedef res_sendhookact (*res_send_qhook) (struct sockaddr_in * const *__ns,
-					   const u_char **__query,
+					   const unsigned char **__query,
 					   int *__querylen,
-					   u_char *__ans,
+					   unsigned char *__ans,
 					   int __anssiz,
 					   int *__resplen);
 
 typedef res_sendhookact (*res_send_rhook) (const struct sockaddr_in *__ns,
-					   const u_char *__query,
+					   const unsigned char *__query,
 					   int __querylen,
-					   u_char *__ans,
+					   unsigned char *__ans,
 					   int __anssiz,
 					   int *__resplen);
 
@@ -104,39 +104,39 @@ typedef res_sendhookact (*res_send_rhook) (const struct sockaddr_in *__ns,
 struct __res_state {
 	int	retrans;		/* retransmition time interval */
 	int	retry;			/* number of times to retransmit */
-	u_long	options;		/* option flags - see below. */
+	unsigned long	options;		/* option flags - see below. */
 	int	nscount;		/* number of name servers */
 	struct sockaddr_in
 		nsaddr_list[MAXNS];	/* address of name server */
 # define nsaddr	nsaddr_list[0]		/* for backward compatibility */
-	u_short	id;			/* current message id */
+	unsigned short	id;			/* current message id */
 	/* 2 byte hole here.  */
 	char	*dnsrch[MAXDNSRCH+1];	/* components of domain to search */
 	char	defdname[256];		/* default domain (deprecated) */
-	u_long	pfcode;			/* RES_PRF_ flags - see below. */
+	unsigned long	pfcode;			/* RES_PRF_ flags - see below. */
 	unsigned ndots:4;		/* threshold for initial abs. query */
 	unsigned nsort:4;		/* number of elements in sort_list[] */
 	unsigned ipv6_unavail:1;	/* connecting to IPv6 server failed */
 	unsigned unused:23;
 	struct {
 		struct in_addr	addr;
-		u_int32_t	mask;
+		uint32_t	mask;
 	} sort_list[MAXRESOLVSORT];
 	/* 4 byte hole here on 64-bit architectures.  */
 	res_send_qhook qhook;		/* query hook */
 	res_send_rhook rhook;		/* response hook */
 	int	res_h_errno;		/* last one set for this context */
 	int	_vcsock;		/* PRIVATE: for res_send VC i/o */
-	u_int	_flags;			/* PRIVATE: see below */
+	unsigned int	_flags;			/* PRIVATE: see below */
 	/* 4 byte hole here on 64-bit architectures.  */
 	union {
 		char	pad[52];	/* On an i386 this means 512b total. */
 		struct {
-			u_int16_t		nscount;
-			u_int16_t		nsmap[MAXNS];
+			uint16_t		nscount;
+			uint16_t		nsmap[MAXNS];
 			int			nssocks[MAXNS];
-			u_int16_t		nscount6;
-			u_int16_t		nsinit;
+			uint16_t		nscount6;
+			uint16_t		nsinit;
 			struct sockaddr_in6	*nsaddrs[MAXNS];
 #ifdef _LIBC
 			unsigned long long int	initstamp
@@ -264,20 +264,20 @@ __END_DECLS
 #define res_send		__res_send
 
 __BEGIN_DECLS
-void		fp_nquery (const u_char *, int, FILE *) __THROW;
-void		fp_query (const u_char *, FILE *) __THROW;
+void		fp_nquery (const unsigned char *, int, FILE *) __THROW;
+void		fp_query (const unsigned char *, FILE *) __THROW;
 const char *	hostalias (const char *) __THROW;
-void		p_query (const u_char *) __THROW;
+void		p_query (const unsigned char *) __THROW;
 void		res_close (void) __THROW;
 int		res_init (void) __THROW;
 int		res_isourserver (const struct sockaddr_in *) __THROW;
-int		res_mkquery (int, const char *, int, int, const u_char *,
-			     int, const u_char *, u_char *, int) __THROW;
-int		res_query (const char *, int, int, u_char *, int) __THROW;
+int		res_mkquery (int, const char *, int, int, const unsigned char *,
+			     int, const unsigned char *, unsigned char *, int) __THROW;
+int		res_query (const char *, int, int, unsigned char *, int) __THROW;
 int		res_querydomain (const char *, const char *, int, int,
-				 u_char *, int) __THROW;
-int		res_search (const char *, int, int, u_char *, int) __THROW;
-int		res_send (const u_char *, int, u_char *, int) __THROW;
+				 unsigned char *, int) __THROW;
+int		res_search (const char *, int, int, unsigned char *, int) __THROW;
+int		res_send (const unsigned char *, int, unsigned char *, int) __THROW;
 __END_DECLS
 
 #define b64_ntop		__b64_ntop
@@ -330,55 +330,55 @@ int		res_dnok (const char *) __THROW;
 int		sym_ston (const struct res_sym *, const char *, int *) __THROW;
 const char *	sym_ntos (const struct res_sym *, int, int *) __THROW;
 const char *	sym_ntop (const struct res_sym *, int, int *) __THROW;
-int		b64_ntop (u_char const *, size_t, char *, size_t) __THROW;
-int		b64_pton (char const *, u_char *, size_t) __THROW;
-int		loc_aton (const char *__ascii, u_char *__binary) __THROW;
-const char *	loc_ntoa (const u_char *__binary, char *__ascii) __THROW;
-int		dn_skipname (const u_char *, const u_char *) __THROW;
-void		putlong (u_int32_t, u_char *) __THROW;
-void		putshort (u_int16_t, u_char *) __THROW;
+int		b64_ntop (unsigned char const *, size_t, char *, size_t) __THROW;
+int		b64_pton (char const *, unsigned char *, size_t) __THROW;
+int		loc_aton (const char *__ascii, unsigned char *__binary) __THROW;
+const char *	loc_ntoa (const unsigned char *__binary, char *__ascii) __THROW;
+int		dn_skipname (const unsigned char *, const unsigned char *) __THROW;
+void		putlong (uint32_t, unsigned char *) __THROW;
+void		putshort (uint16_t, unsigned char *) __THROW;
 const char *	p_class (int) __THROW;
-const char *	p_time (u_int32_t) __THROW;
+const char *	p_time (uint32_t) __THROW;
 const char *	p_type (int) __THROW;
 const char *	p_rcode (int) __THROW;
-const u_char *	p_cdnname (const u_char *, const u_char *, int, FILE *)
+const unsigned char *	p_cdnname (const unsigned char *, const unsigned char *, int, FILE *)
      __THROW;
-const u_char *	p_cdname (const u_char *, const u_char *, FILE *) __THROW;
-const u_char *	p_fqnname (const u_char *__cp, const u_char *__msg,
+const unsigned char *	p_cdname (const unsigned char *, const unsigned char *, FILE *) __THROW;
+const unsigned char *	p_fqnname (const unsigned char *__cp, const unsigned char *__msg,
 			   int, char *, int) __THROW;
-const u_char *	p_fqname (const u_char *, const u_char *, FILE *) __THROW;
-const char *	p_option (u_long __option) __THROW;
-char *		p_secstodate (u_long) __THROW;
+const unsigned char *	p_fqname (const unsigned char *, const unsigned char *, FILE *) __THROW;
+const char *	p_option (unsigned long __option) __THROW;
+char *		p_secstodate (unsigned long) __THROW;
 int		dn_count_labels (const char *) __THROW;
-int		dn_comp (const char *, u_char *, int, u_char **, u_char **)
+int		dn_comp (const char *, unsigned char *, int, unsigned char **, unsigned char **)
      __THROW;
-int		dn_expand (const u_char *, const u_char *, const u_char *,
+int		dn_expand (const unsigned char *, const unsigned char *, const unsigned char *,
 			   char *, int) __THROW;
-u_int		res_randomid (void) __THROW;
+unsigned int		res_randomid (void) __THROW;
 int		res_nameinquery (const char *, int, int,
-				 const u_char *, const u_char *) __THROW;
-int		res_queriesmatch (const u_char *, const u_char *,
-				  const u_char *, const u_char *) __THROW;
+				 const unsigned char *, const unsigned char *) __THROW;
+int		res_queriesmatch (const unsigned char *, const unsigned char *,
+				  const unsigned char *, const unsigned char *) __THROW;
 const char *	p_section (int __section, int __opcode) __THROW;
 /* Things involving a resolver context. */
 int		res_ninit (res_state) __THROW;
 int		res_nisourserver (const res_state,
 				  const struct sockaddr_in *) __THROW;
 void		fp_resstat (const res_state, FILE *) __THROW;
-void		res_npquery (const res_state, const u_char *, int, FILE *)
+void		res_npquery (const res_state, const unsigned char *, int, FILE *)
      __THROW;
 const char *	res_hostalias (const res_state, const char *, char *, size_t)
      __THROW;
-int		res_nquery (res_state, const char *, int, int, u_char *, int)
+int		res_nquery (res_state, const char *, int, int, unsigned char *, int)
      __THROW;
-int		res_nsearch (res_state, const char *, int, int, u_char *, int)
+int		res_nsearch (res_state, const char *, int, int, unsigned char *, int)
      __THROW;
 int		res_nquerydomain (res_state, const char *, const char *, int,
-				  int, u_char *, int) __THROW;
+				  int, unsigned char *, int) __THROW;
 int		res_nmkquery (res_state, int, const char *, int, int,
-			      const u_char *, int, const u_char *, u_char *,
+			      const unsigned char *, int, const unsigned char *, unsigned char *,
 			      int) __THROW;
-int		res_nsend (res_state, const u_char *, int, u_char *, int)
+int		res_nsend (res_state, const unsigned char *, int, unsigned char *, int)
      __THROW;
 void		res_nclose (res_state) __THROW;
 __END_DECLS
diff --git a/sunrpc/rpc/rpc_des.h b/sunrpc/rpc/rpc_des.h
index 4b3c426..4722392 100644
--- a/sunrpc/rpc/rpc_des.h
+++ b/sunrpc/rpc/rpc_des.h
@@ -53,15 +53,15 @@ enum desmode
  */
 struct desparams
   {
-    u_char des_key[8];		/* key (with low bit parity) */
+    unsigned char des_key[8];		/* key (with low bit parity) */
     enum desdir des_dir;	/* direction */
     enum desmode des_mode;	/* mode */
-    u_char des_ivec[8];		/* input vector */
+    unsigned char des_ivec[8];		/* input vector */
     unsigned des_len;		/* number of bytes to crypt */
     union
       {
-	u_char UDES_data[DES_QUICKLEN];
-	u_char *UDES_buf;
+	unsigned char UDES_data[DES_QUICKLEN];
+	unsigned char *UDES_buf;
       }
     UDES;
 #define des_data UDES.UDES_data	/* direct data here if quick */
diff --git a/sysdeps/generic/netinet/if_ether.h b/sysdeps/generic/netinet/if_ether.h
index c106a41..6d02536 100644
--- a/sysdeps/generic/netinet/if_ether.h
+++ b/sysdeps/generic/netinet/if_ether.h
@@ -26,7 +26,7 @@
    systems.  */
 struct ether_addr
 {
-  u_int8_t ether_addr_octet[ETH_ALEN];
+  uint8_t ether_addr_octet[ETH_ALEN];
 } __attribute__ ((__packed__));
 
 #endif /* netinet/if_ether.h */
diff --git a/sysdeps/generic/netinet/in_systm.h b/sysdeps/generic/netinet/in_systm.h
index 41704ee..1629c36 100644
--- a/sysdeps/generic/netinet/in_systm.h
+++ b/sysdeps/generic/netinet/in_systm.h
@@ -31,9 +31,9 @@ __BEGIN_DECLS
  * may not reflect the actual size of the native data types.
  */
 
-typedef u_int16_t n_short;      /* short as received from the net */
-typedef u_int32_t n_long;       /* long as received from the net  */
-typedef u_int32_t n_time;       /* ms since 00:00 GMT, byte rev   */
+typedef uint16_t n_short;      /* short as received from the net */
+typedef uint32_t n_long;       /* long as received from the net  */
+typedef uint32_t n_time;       /* ms since 00:00 GMT, byte rev   */
 
 __END_DECLS
 
diff --git a/sysdeps/generic/netinet/ip.h b/sysdeps/generic/netinet/ip.h
index 557a460..f7adbaf 100644
--- a/sysdeps/generic/netinet/ip.h
+++ b/sysdeps/generic/netinet/ip.h
@@ -27,8 +27,8 @@ __BEGIN_DECLS
 
 struct timestamp
   {
-    u_int8_t len;
-    u_int8_t ptr;
+    uint8_t len;
+    uint8_t ptr;
 #if __BYTE_ORDER == __LITTLE_ENDIAN
     unsigned int flags:4;
     unsigned int overflow:4;
@@ -38,7 +38,7 @@ struct timestamp
 #else
 # error	"Please fix <bits/endian.h>"
 #endif
-    u_int32_t data[9];
+    uint32_t data[9];
   };
 
 struct iphdr
@@ -52,15 +52,15 @@ struct iphdr
 #else
 # error	"Please fix <bits/endian.h>"
 #endif
-    u_int8_t tos;
-    u_int16_t tot_len;
-    u_int16_t id;
-    u_int16_t frag_off;
-    u_int8_t ttl;
-    u_int8_t protocol;
-    u_int16_t check;
-    u_int32_t saddr;
-    u_int32_t daddr;
+    uint8_t tos;
+    uint16_t tot_len;
+    uint16_t id;
+    uint16_t frag_off;
+    uint8_t ttl;
+    uint8_t protocol;
+    uint16_t check;
+    uint32_t saddr;
+    uint32_t daddr;
     /*The options start here. */
   };
 
@@ -114,17 +114,17 @@ struct ip
     unsigned int ip_v:4;		/* version */
     unsigned int ip_hl:4;		/* header length */
 #endif
-    u_int8_t ip_tos;			/* type of service */
-    u_short ip_len;			/* total length */
-    u_short ip_id;			/* identification */
-    u_short ip_off;			/* fragment offset field */
+    uint8_t ip_tos;			/* type of service */
+    unsigned short ip_len;			/* total length */
+    unsigned short ip_id;			/* identification */
+    unsigned short ip_off;			/* fragment offset field */
 #define	IP_RF 0x8000			/* reserved fragment flag */
 #define	IP_DF 0x4000			/* dont fragment flag */
 #define	IP_MF 0x2000			/* more fragments flag */
 #define	IP_OFFMASK 0x1fff		/* mask for fragmenting bits */
-    u_int8_t ip_ttl;			/* time to live */
-    u_int8_t ip_p;			/* protocol */
-    u_short ip_sum;			/* checksum */
+    uint8_t ip_ttl;			/* time to live */
+    uint8_t ip_p;			/* protocol */
+    unsigned short ip_sum;			/* checksum */
     struct in_addr ip_src, ip_dst;	/* source and dest address */
   };
 
@@ -133,9 +133,9 @@ struct ip
  */
 struct ip_timestamp
   {
-    u_int8_t ipt_code;			/* IPOPT_TS */
-    u_int8_t ipt_len;			/* size of structure (variable) */
-    u_int8_t ipt_ptr;			/* index of current entry */
+    uint8_t ipt_code;			/* IPOPT_TS */
+    uint8_t ipt_len;			/* size of structure (variable) */
+    uint8_t ipt_ptr;			/* index of current entry */
 #if __BYTE_ORDER == __LITTLE_ENDIAN
     unsigned int ipt_flg:4;		/* flags, see below */
     unsigned int ipt_oflw:4;		/* overflow counter */
@@ -144,7 +144,7 @@ struct ip_timestamp
     unsigned int ipt_oflw:4;		/* overflow counter */
     unsigned int ipt_flg:4;		/* flags, see below */
 #endif
-    u_int32_t data[9];
+    uint32_t data[9];
   };
 #endif /* __USE_MISC */
 
diff --git a/sysdeps/generic/netinet/tcp.h b/sysdeps/generic/netinet/tcp.h
index 0d71903..f84273e 100644
--- a/sysdeps/generic/netinet/tcp.h
+++ b/sysdeps/generic/netinet/tcp.h
@@ -43,28 +43,28 @@ typedef	unsigned int	tcp_seq;
  * Per RFC 793, September, 1981.
  */
 struct tcphdr {
-	u_short	th_sport;		/* source port */
-	u_short	th_dport;		/* destination port */
+	unsigned short	th_sport;		/* source port */
+	unsigned short	th_dport;		/* destination port */
 	tcp_seq	th_seq;			/* sequence number */
 	tcp_seq	th_ack;			/* acknowledgement number */
 #if __BYTE_ORDER == __LITTLE_ENDIAN
-	u_char	th_x2:4,		/* (unused) */
+	unsigned char	th_x2:4,		/* (unused) */
 		th_off:4;		/* data offset */
 #endif
 #if __BYTE_ORDER == __BIG_ENDIAN
-	u_char	th_off:4,		/* data offset */
+	unsigned char	th_off:4,		/* data offset */
 		th_x2:4;		/* (unused) */
 #endif
-	u_char	th_flags;
+	unsigned char	th_flags;
 #define	TH_FIN	0x01
 #define	TH_SYN	0x02
 #define	TH_RST	0x04
 #define	TH_PUSH	0x08
 #define	TH_ACK	0x10
 #define	TH_URG	0x20
-	u_short	th_win;			/* window */
-	u_short	th_sum;			/* checksum */
-	u_short	th_urp;			/* urgent pointer */
+	unsigned short	th_win;			/* window */
+	unsigned short	th_sum;			/* checksum */
+	unsigned short	th_urp;			/* urgent pointer */
 };
 
 #define	TCPOPT_EOL		0
diff --git a/sysdeps/gnu/netinet/ip_icmp.h b/sysdeps/gnu/netinet/ip_icmp.h
index 4f7c1b1..aceffc8 100644
--- a/sysdeps/gnu/netinet/ip_icmp.h
+++ b/sysdeps/gnu/netinet/ip_icmp.h
@@ -25,21 +25,21 @@ __BEGIN_DECLS
 
 struct icmphdr
 {
-  u_int8_t type;		/* message type */
-  u_int8_t code;		/* type sub-code */
-  u_int16_t checksum;
+  uint8_t type;		/* message type */
+  uint8_t code;		/* type sub-code */
+  uint16_t checksum;
   union
   {
     struct
     {
-      u_int16_t	id;
-      u_int16_t	sequence;
+      uint16_t	id;
+      uint16_t	sequence;
     } echo;			/* echo datagram */
-    u_int32_t	gateway;	/* gateway address */
+    uint32_t	gateway;	/* gateway address */
     struct
     {
-      u_int16_t	__glibc_reserved;
-      u_int16_t	mtu;
+      uint16_t	__glibc_reserved;
+      uint16_t	mtu;
     } frag;			/* path mtu discovery */
   } un;
 };
@@ -130,38 +130,38 @@ struct icmphdr
  */
 struct icmp_ra_addr
 {
-  u_int32_t ira_addr;
-  u_int32_t ira_preference;
+  uint32_t ira_addr;
+  uint32_t ira_preference;
 };
 
 struct icmp
 {
-  u_int8_t  icmp_type;	/* type of message, see below */
-  u_int8_t  icmp_code;	/* type sub code */
-  u_int16_t icmp_cksum;	/* ones complement checksum of struct */
+  uint8_t  icmp_type;	/* type of message, see below */
+  uint8_t  icmp_code;	/* type sub code */
+  uint16_t icmp_cksum;	/* ones complement checksum of struct */
   union
   {
-    u_char ih_pptr;		/* ICMP_PARAMPROB */
+    unsigned char ih_pptr;		/* ICMP_PARAMPROB */
     struct in_addr ih_gwaddr;	/* gateway address */
     struct ih_idseq		/* echo datagram */
     {
-      u_int16_t icd_id;
-      u_int16_t icd_seq;
+      uint16_t icd_id;
+      uint16_t icd_seq;
     } ih_idseq;
-    u_int32_t ih_void;
+    uint32_t ih_void;
 
     /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
     struct ih_pmtu
     {
-      u_int16_t ipm_void;
-      u_int16_t ipm_nextmtu;
+      uint16_t ipm_void;
+      uint16_t ipm_nextmtu;
     } ih_pmtu;
 
     struct ih_rtradv
     {
-      u_int8_t irt_num_addrs;
-      u_int8_t irt_wpa;
-      u_int16_t irt_lifetime;
+      uint8_t irt_num_addrs;
+      uint8_t irt_wpa;
+      uint16_t irt_lifetime;
     } ih_rtradv;
   } icmp_hun;
 #define	icmp_pptr	icmp_hun.ih_pptr
@@ -178,9 +178,9 @@ struct icmp
   {
     struct
     {
-      u_int32_t its_otime;
-      u_int32_t its_rtime;
-      u_int32_t its_ttime;
+      uint32_t its_otime;
+      uint32_t its_rtime;
+      uint32_t its_ttime;
     } id_ts;
     struct
     {
@@ -188,8 +188,8 @@ struct icmp
       /* options and then 64 bits of data */
     } id_ip;
     struct icmp_ra_addr id_radv;
-    u_int32_t   id_mask;
-    u_int8_t    id_data[1];
+    uint32_t   id_mask;
+    uint8_t    id_data[1];
   } icmp_dun;
 #define	icmp_otime	icmp_dun.id_ts.its_otime
 #define	icmp_rtime	icmp_dun.id_ts.its_rtime
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h
index 3918bca..38d5310 100644
--- a/sysdeps/gnu/netinet/tcp.h
+++ b/sysdeps/gnu/netinet/tcp.h
@@ -74,7 +74,7 @@
 # include <sys/types.h>
 # include <sys/socket.h>
 
-typedef	u_int32_t tcp_seq;
+typedef	uint32_t tcp_seq;
 /*
  * TCP header.
  * Per RFC 793, September, 1981.
@@ -85,61 +85,61 @@ struct tcphdr
     {
       struct
       {
-	u_int16_t th_sport;		/* source port */
-	u_int16_t th_dport;		/* destination port */
+	uint16_t th_sport;		/* source port */
+	uint16_t th_dport;		/* destination port */
 	tcp_seq th_seq;		/* sequence number */
 	tcp_seq th_ack;		/* acknowledgement number */
 # if __BYTE_ORDER == __LITTLE_ENDIAN
-	u_int8_t th_x2:4;		/* (unused) */
-	u_int8_t th_off:4;		/* data offset */
+	uint8_t th_x2:4;		/* (unused) */
+	uint8_t th_off:4;		/* data offset */
 # endif
 # if __BYTE_ORDER == __BIG_ENDIAN
-	u_int8_t th_off:4;		/* data offset */
-	u_int8_t th_x2:4;		/* (unused) */
+	uint8_t th_off:4;		/* data offset */
+	uint8_t th_x2:4;		/* (unused) */
 # endif
-	u_int8_t th_flags;
+	uint8_t th_flags;
 # define TH_FIN	0x01
 # define TH_SYN	0x02
 # define TH_RST	0x04
 # define TH_PUSH	0x08
 # define TH_ACK	0x10
 # define TH_URG	0x20
-	u_int16_t th_win;		/* window */
-	u_int16_t th_sum;		/* checksum */
-	u_int16_t th_urp;		/* urgent pointer */
+	uint16_t th_win;		/* window */
+	uint16_t th_sum;		/* checksum */
+	uint16_t th_urp;		/* urgent pointer */
       };
       struct
       {
-	u_int16_t source;
-	u_int16_t dest;
-	u_int32_t seq;
-	u_int32_t ack_seq;
+	uint16_t source;
+	uint16_t dest;
+	uint32_t seq;
+	uint32_t ack_seq;
 # if __BYTE_ORDER == __LITTLE_ENDIAN
-	u_int16_t res1:4;
-	u_int16_t doff:4;
-	u_int16_t fin:1;
-	u_int16_t syn:1;
-	u_int16_t rst:1;
-	u_int16_t psh:1;
-	u_int16_t ack:1;
-	u_int16_t urg:1;
-	u_int16_t res2:2;
+	uint16_t res1:4;
+	uint16_t doff:4;
+	uint16_t fin:1;
+	uint16_t syn:1;
+	uint16_t rst:1;
+	uint16_t psh:1;
+	uint16_t ack:1;
+	uint16_t urg:1;
+	uint16_t res2:2;
 # elif __BYTE_ORDER == __BIG_ENDIAN
-	u_int16_t doff:4;
-	u_int16_t res1:4;
-	u_int16_t res2:2;
-	u_int16_t urg:1;
-	u_int16_t ack:1;
-	u_int16_t psh:1;
-	u_int16_t rst:1;
-	u_int16_t syn:1;
-	u_int16_t fin:1;
+	uint16_t doff:4;
+	uint16_t res1:4;
+	uint16_t res2:2;
+	uint16_t urg:1;
+	uint16_t ack:1;
+	uint16_t psh:1;
+	uint16_t rst:1;
+	uint16_t syn:1;
+	uint16_t fin:1;
 # else
 #  error "Adjust your <bits/endian.h> defines"
 # endif
-	u_int16_t window;
-	u_int16_t check;
-	u_int16_t urg_ptr;
+	uint16_t window;
+	uint16_t check;
+	uint16_t urg_ptr;
       };
     };
 };
@@ -209,45 +209,45 @@ enum tcp_ca_state
 
 struct tcp_info
 {
-  u_int8_t	tcpi_state;
-  u_int8_t	tcpi_ca_state;
-  u_int8_t	tcpi_retransmits;
-  u_int8_t	tcpi_probes;
-  u_int8_t	tcpi_backoff;
-  u_int8_t	tcpi_options;
-  u_int8_t	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
+  uint8_t	tcpi_state;
+  uint8_t	tcpi_ca_state;
+  uint8_t	tcpi_retransmits;
+  uint8_t	tcpi_probes;
+  uint8_t	tcpi_backoff;
+  uint8_t	tcpi_options;
+  uint8_t	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
 
-  u_int32_t	tcpi_rto;
-  u_int32_t	tcpi_ato;
-  u_int32_t	tcpi_snd_mss;
-  u_int32_t	tcpi_rcv_mss;
+  uint32_t	tcpi_rto;
+  uint32_t	tcpi_ato;
+  uint32_t	tcpi_snd_mss;
+  uint32_t	tcpi_rcv_mss;
 
-  u_int32_t	tcpi_unacked;
-  u_int32_t	tcpi_sacked;
-  u_int32_t	tcpi_lost;
-  u_int32_t	tcpi_retrans;
-  u_int32_t	tcpi_fackets;
+  uint32_t	tcpi_unacked;
+  uint32_t	tcpi_sacked;
+  uint32_t	tcpi_lost;
+  uint32_t	tcpi_retrans;
+  uint32_t	tcpi_fackets;
 
   /* Times. */
-  u_int32_t	tcpi_last_data_sent;
-  u_int32_t	tcpi_last_ack_sent;	/* Not remembered, sorry.  */
-  u_int32_t	tcpi_last_data_recv;
-  u_int32_t	tcpi_last_ack_recv;
+  uint32_t	tcpi_last_data_sent;
+  uint32_t	tcpi_last_ack_sent;	/* Not remembered, sorry.  */
+  uint32_t	tcpi_last_data_recv;
+  uint32_t	tcpi_last_ack_recv;
 
   /* Metrics. */
-  u_int32_t	tcpi_pmtu;
-  u_int32_t	tcpi_rcv_ssthresh;
-  u_int32_t	tcpi_rtt;
-  u_int32_t	tcpi_rttvar;
-  u_int32_t	tcpi_snd_ssthresh;
-  u_int32_t	tcpi_snd_cwnd;
-  u_int32_t	tcpi_advmss;
-  u_int32_t	tcpi_reordering;
+  uint32_t	tcpi_pmtu;
+  uint32_t	tcpi_rcv_ssthresh;
+  uint32_t	tcpi_rtt;
+  uint32_t	tcpi_rttvar;
+  uint32_t	tcpi_snd_ssthresh;
+  uint32_t	tcpi_snd_cwnd;
+  uint32_t	tcpi_advmss;
+  uint32_t	tcpi_reordering;
 
-  u_int32_t	tcpi_rcv_rtt;
-  u_int32_t	tcpi_rcv_space;
+  uint32_t	tcpi_rcv_rtt;
+  uint32_t	tcpi_rcv_space;
 
-  u_int32_t	tcpi_total_retrans;
+  uint32_t	tcpi_total_retrans;
 };
 
 
@@ -257,17 +257,17 @@ struct tcp_info
 struct tcp_md5sig
 {
   struct sockaddr_storage tcpm_addr;		/* Address associated.  */
-  u_int16_t	__tcpm_pad1;			/* Zero.  */
-  u_int16_t	tcpm_keylen;			/* Key length.  */
-  u_int32_t	__tcpm_pad2;			/* Zero.  */
-  u_int8_t	tcpm_key[TCP_MD5SIG_MAXKEYLEN];	/* Key (binary).  */
+  uint16_t	__tcpm_pad1;			/* Zero.  */
+  uint16_t	tcpm_keylen;			/* Key length.  */
+  uint32_t	__tcpm_pad2;			/* Zero.  */
+  uint8_t	tcpm_key[TCP_MD5SIG_MAXKEYLEN];	/* Key (binary).  */
 };
 
 /* For socket repair options.  */
 struct tcp_repair_opt
 {
-  u_int32_t	opt_code;
-  u_int32_t	opt_val;
+  uint32_t	opt_code;
+  uint32_t	opt_val;
 };
 
 /* Queue to repair, for TCP_REPAIR_QUEUE.  */
@@ -298,12 +298,12 @@ enum
 
 struct tcp_cookie_transactions
 {
-  u_int16_t	tcpct_flags;
-  u_int8_t	__tcpct_pad1;
-  u_int8_t	tcpct_cookie_desired;
-  u_int16_t	tcpct_s_data_desired;
-  u_int16_t	tcpct_used;
-  u_int8_t	tcpct_value[TCP_MSS_DEFAULT];
+  uint16_t	tcpct_flags;
+  uint8_t	__tcpct_pad1;
+  uint8_t	tcpct_cookie_desired;
+  uint16_t	tcpct_s_data_desired;
+  uint16_t	tcpct_used;
+  uint8_t	tcpct_value[TCP_MSS_DEFAULT];
 };
 
 #endif /* Misc.  */
diff --git a/sysdeps/gnu/netinet/udp.h b/sysdeps/gnu/netinet/udp.h
index e3d4492..31ba1b5 100644
--- a/sysdeps/gnu/netinet/udp.h
+++ b/sysdeps/gnu/netinet/udp.h
@@ -59,17 +59,17 @@ struct udphdr
   {
     struct
     {
-      u_int16_t uh_sport;		/* source port */
-      u_int16_t uh_dport;		/* destination port */
-      u_int16_t uh_ulen;		/* udp length */
-      u_int16_t uh_sum;		/* udp checksum */
+      uint16_t uh_sport;		/* source port */
+      uint16_t uh_dport;		/* destination port */
+      uint16_t uh_ulen;		/* udp length */
+      uint16_t uh_sum;		/* udp checksum */
     };
     struct
     {
-      u_int16_t source;
-      u_int16_t dest;
-      u_int16_t len;
-      u_int16_t check;
+      uint16_t source;
+      uint16_t dest;
+      uint16_t len;
+      uint16_t check;
     };
   };
 };
diff --git a/sysdeps/mach/hurd/net/ethernet.h b/sysdeps/mach/hurd/net/ethernet.h
index 404311e..ddac678 100644
--- a/sysdeps/mach/hurd/net/ethernet.h
+++ b/sysdeps/mach/hurd/net/ethernet.h
@@ -31,15 +31,15 @@ __BEGIN_DECLS
    systems.  */
 struct ether_addr
 {
-  u_int8_t ether_addr_octet[ETH_ALEN];
+  uint8_t ether_addr_octet[ETH_ALEN];
 };
 
 /* 10Mb/s ethernet header */
 struct ether_header
 {
-  u_int8_t  ether_dhost[ETH_ALEN];	/* destination eth addr	*/
-  u_int8_t  ether_shost[ETH_ALEN];	/* source ether addr	*/
-  u_int16_t ether_type;		        /* packet type ID field	*/
+  uint8_t  ether_dhost[ETH_ALEN];	/* destination eth addr	*/
+  uint8_t  ether_shost[ETH_ALEN];	/* source ether addr	*/
+  uint16_t ether_type;		        /* packet type ID field	*/
 };
 
 /* Ethernet protocol ID's */
diff --git a/sysdeps/mach/hurd/net/if_arp.h b/sysdeps/mach/hurd/net/if_arp.h
index 7ed5550..90d389d 100644
--- a/sysdeps/mach/hurd/net/if_arp.h
+++ b/sysdeps/mach/hurd/net/if_arp.h
@@ -132,7 +132,7 @@ struct arpreq
 struct arpd_request
   {
     unsigned short int req;		/* Request type.  */
-    u_int32_t ip;			/* IP address of entry.  */
+    uint32_t ip;			/* IP address of entry.  */
     unsigned long int dev;		/* Device entry is tied to.  */
     unsigned long int stamp;
     unsigned long int updated;
diff --git a/sysdeps/mach/hurd/net/if_ppp.h b/sysdeps/mach/hurd/net/if_ppp.h
index 1b1c3ea..bef4b57 100644
--- a/sysdeps/mach/hurd/net/if_ppp.h
+++ b/sysdeps/mach/hurd/net/if_ppp.h
@@ -114,8 +114,8 @@ struct npioctl {
 
 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
 struct ppp_option_data {
-	u_int8_t  *ptr;
-	u_int32_t length;
+	uint8_t  *ptr;
+	uint32_t length;
 	int	  transmit;
 };
 
diff --git a/sysdeps/mach/hurd/net/route.h b/sysdeps/mach/hurd/net/route.h
index a596ce1..d974950 100644
--- a/sysdeps/mach/hurd/net/route.h
+++ b/sysdeps/mach/hurd/net/route.h
@@ -55,12 +55,12 @@ struct in6_rtmsg
     struct in6_addr rtmsg_dst;
     struct in6_addr rtmsg_src;
     struct in6_addr rtmsg_gateway;
-    u_int32_t rtmsg_type;
-    u_int16_t rtmsg_dst_len;
-    u_int16_t rtmsg_src_len;
-    u_int32_t rtmsg_metric;
+    uint32_t rtmsg_type;
+    uint16_t rtmsg_dst_len;
+    uint16_t rtmsg_src_len;
+    uint32_t rtmsg_metric;
     unsigned long int rtmsg_info;
-    u_int32_t rtmsg_flags;
+    uint32_t rtmsg_flags;
     int rtmsg_ifindex;
   };
 
@@ -109,7 +109,7 @@ struct in6_rtmsg
 #define RTF_NAT		0x08000000
 
 #define RTF_ADDRCLASSMASK	0xF8000000
-#define RT_ADDRCLASS(flags)	((__u_int32_t) flags >> 23)
+#define RT_ADDRCLASS(flags)	((uint32_t) flags >> 23)
 
 #define RT_TOS(tos)		((tos) & IPTOS_TOS_MASK)
 
diff --git a/sysdeps/mach/sys/reboot.h b/sysdeps/mach/sys/reboot.h
index fc73089..6dde934 100644
--- a/sysdeps/mach/sys/reboot.h
+++ b/sysdeps/mach/sys/reboot.h
@@ -27,7 +27,7 @@
  * (pre-GNU) HISTORY
  *
  * Revision 2.8  93/03/11  13:46:40  danner
- * 	u_long -> u_int.
+ * 	unsigned long -> unsigned int.
  * 	[93/03/09            danner]
  *
  * Revision 2.7  92/05/21  17:25:11  jfriedl
@@ -145,8 +145,8 @@
 #define	B_TYPEMASK		0xff
 #define	B_TYPE(val)		(((val) >> B_TYPESHIFT) & B_TYPEMASK)
 
-#define	B_MAGICMASK	((u_int)0xf0000000U)
-#define	B_DEVMAGIC	((u_int)0xa0000000U)
+#define	B_MAGICMASK	((unsigned int)0xf0000000U)
+#define	B_DEVMAGIC	((unsigned int)0xa0000000U)
 
 #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
 	(((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h
index 4d70a6b..b099839 100644
--- a/sysdeps/unix/sysv/linux/bits/in.h
+++ b/sysdeps/unix/sysv/linux/bits/in.h
@@ -53,7 +53,7 @@
 #define        IP_RECVRETOPTS  IP_RETOPTS       /* bool; Receive IP options for response.  */
 #define        IP_RETOPTS      7       /* ip_opts; Set/get IP per-packet options.  */
 #define IP_MULTICAST_IF 32	/* in_addr; set/get IP multicast i/f */
-#define IP_MULTICAST_TTL 33	/* u_char; set/get IP multicast ttl */
+#define IP_MULTICAST_TTL 33	/* unsigned char; set/get IP multicast ttl */
 #define IP_MULTICAST_LOOP 34	/* i_char; set/get IP multicast loopback */
 #define IP_ADD_MEMBERSHIP 35	/* ip_mreq; add an IP group membership */
 #define IP_DROP_MEMBERSHIP 36	/* ip_mreq; drop an IP group membership */
diff --git a/sysdeps/unix/sysv/linux/net/ethernet.h b/sysdeps/unix/sysv/linux/net/ethernet.h
index 3160e93..56b3276 100644
--- a/sysdeps/unix/sysv/linux/net/ethernet.h
+++ b/sysdeps/unix/sysv/linux/net/ethernet.h
@@ -31,15 +31,15 @@ __BEGIN_DECLS
    systems.  */
 struct ether_addr
 {
-  u_int8_t ether_addr_octet[ETH_ALEN];
+  uint8_t ether_addr_octet[ETH_ALEN];
 } __attribute__ ((__packed__));
 
 /* 10Mb/s ethernet header */
 struct ether_header
 {
-  u_int8_t  ether_dhost[ETH_ALEN];	/* destination eth addr	*/
-  u_int8_t  ether_shost[ETH_ALEN];	/* source ether addr	*/
-  u_int16_t ether_type;		        /* packet type ID field	*/
+  uint8_t  ether_dhost[ETH_ALEN];	/* destination eth addr	*/
+  uint8_t  ether_shost[ETH_ALEN];	/* source ether addr	*/
+  uint16_t ether_type;		        /* packet type ID field	*/
 } __attribute__ ((__packed__));
 
 /* Ethernet protocol ID's */
diff --git a/sysdeps/unix/sysv/linux/net/if_arp.h b/sysdeps/unix/sysv/linux/net/if_arp.h
index 1b3f1d3..93758c8 100644
--- a/sysdeps/unix/sysv/linux/net/if_arp.h
+++ b/sysdeps/unix/sysv/linux/net/if_arp.h
@@ -171,7 +171,7 @@ struct arpreq_old
 struct arpd_request
   {
     unsigned short int req;		/* Request type.  */
-    u_int32_t ip;			/* IP address of entry.  */
+    uint32_t ip;			/* IP address of entry.  */
     unsigned long int dev;		/* Device entry is tied to.  */
     unsigned long int stamp;
     unsigned long int updated;
diff --git a/sysdeps/unix/sysv/linux/net/if_ppp.h b/sysdeps/unix/sysv/linux/net/if_ppp.h
index 1b1c3ea..bef4b57 100644
--- a/sysdeps/unix/sysv/linux/net/if_ppp.h
+++ b/sysdeps/unix/sysv/linux/net/if_ppp.h
@@ -114,8 +114,8 @@ struct npioctl {
 
 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
 struct ppp_option_data {
-	u_int8_t  *ptr;
-	u_int32_t length;
+	uint8_t  *ptr;
+	uint32_t length;
 	int	  transmit;
 };
 
diff --git a/sysdeps/unix/sysv/linux/net/if_shaper.h b/sysdeps/unix/sysv/linux/net/if_shaper.h
index 956ad62..4a777d8 100644
--- a/sysdeps/unix/sysv/linux/net/if_shaper.h
+++ b/sysdeps/unix/sysv/linux/net/if_shaper.h
@@ -43,11 +43,11 @@ __BEGIN_DECLS
 
 struct shaperconf
 {
-  u_int16_t ss_cmd;
+  uint16_t ss_cmd;
   union
   {
     char ssu_name[14];
-    u_int32_t ssu_speed;
+    uint32_t ssu_speed;
   } ss_u;
 #define ss_speed ss_u.ssu_speed
 #define ss_name ss_u.ssu_name
diff --git a/sysdeps/unix/sysv/linux/net/route.h b/sysdeps/unix/sysv/linux/net/route.h
index 11d21c6..ea785ab 100644
--- a/sysdeps/unix/sysv/linux/net/route.h
+++ b/sysdeps/unix/sysv/linux/net/route.h
@@ -59,12 +59,12 @@ struct in6_rtmsg
     struct in6_addr rtmsg_dst;
     struct in6_addr rtmsg_src;
     struct in6_addr rtmsg_gateway;
-    u_int32_t rtmsg_type;
-    u_int16_t rtmsg_dst_len;
-    u_int16_t rtmsg_src_len;
-    u_int32_t rtmsg_metric;
+    uint32_t rtmsg_type;
+    uint16_t rtmsg_dst_len;
+    uint16_t rtmsg_src_len;
+    uint32_t rtmsg_metric;
     unsigned long int rtmsg_info;
-    u_int32_t rtmsg_flags;
+    uint32_t rtmsg_flags;
     int rtmsg_ifindex;
   };
 
@@ -113,7 +113,7 @@ struct in6_rtmsg
 #define RTF_NAT		0x08000000
 
 #define RTF_ADDRCLASSMASK	0xF8000000
-#define RT_ADDRCLASS(flags)	((__u_int32_t) flags >> 23)
+#define RT_ADDRCLASS(flags)	((uint32_t) flags >> 23)
 
 #define RT_TOS(tos)		((tos) & IPTOS_TOS_MASK)
 
diff --git a/sysdeps/unix/sysv/linux/netinet/if_ether.h b/sysdeps/unix/sysv/linux/netinet/if_ether.h
index e9ed137..85b4cf4 100644
--- a/sysdeps/unix/sysv/linux/netinet/if_ether.h
+++ b/sysdeps/unix/sysv/linux/netinet/if_ether.h
@@ -70,10 +70,10 @@ __BEGIN_DECLS
  */
 struct	ether_arp {
 	struct	arphdr ea_hdr;		/* fixed-size header */
-	u_int8_t arp_sha[ETH_ALEN];	/* sender hardware address */
-	u_int8_t arp_spa[4];		/* sender protocol address */
-	u_int8_t arp_tha[ETH_ALEN];	/* target hardware address */
-	u_int8_t arp_tpa[4];		/* target protocol address */
+	uint8_t arp_sha[ETH_ALEN];	/* sender hardware address */
+	uint8_t arp_spa[4];		/* sender protocol address */
+	uint8_t arp_tha[ETH_ALEN];	/* target hardware address */
+	uint8_t arp_tpa[4];		/* target protocol address */
 };
 #define	arp_hrd	ea_hdr.ar_hrd
 #define	arp_pro	ea_hdr.ar_pro
@@ -88,14 +88,14 @@ struct	ether_arp {
  */
 #define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \
 	/* struct in_addr *ipaddr; */ \
-	/* u_char enaddr[ETH_ALEN];	   */ \
+	/* unsigned char enaddr[ETH_ALEN];	   */ \
 { \
 	(enaddr)[0] = 0x01; \
 	(enaddr)[1] = 0x00; \
 	(enaddr)[2] = 0x5e; \
-	(enaddr)[3] = ((u_int8_t *)ipaddr)[1] & 0x7f; \
-	(enaddr)[4] = ((u_int8_t *)ipaddr)[2]; \
-	(enaddr)[5] = ((u_int8_t *)ipaddr)[3]; \
+	(enaddr)[3] = ((uint8_t *)ipaddr)[1] & 0x7f; \
+	(enaddr)[4] = ((uint8_t *)ipaddr)[2]; \
+	(enaddr)[5] = ((uint8_t *)ipaddr)[3]; \
 }
 
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/netinet/if_fddi.h b/sysdeps/unix/sysv/linux/netinet/if_fddi.h
index 6e0ab37..877f738 100644
--- a/sysdeps/unix/sysv/linux/netinet/if_fddi.h
+++ b/sysdeps/unix/sysv/linux/netinet/if_fddi.h
@@ -27,9 +27,9 @@
 #ifdef __USE_MISC
 
 struct fddi_header {
-  u_int8_t fddi_fc;                    /* Frame Control (FC) value */
-  u_int8_t fddi_dhost[FDDI_K_ALEN];    /* Destination host */
-  u_int8_t fddi_shost[FDDI_K_ALEN];    /* Source host */
+  uint8_t fddi_fc;                    /* Frame Control (FC) value */
+  uint8_t fddi_dhost[FDDI_K_ALEN];    /* Destination host */
+  uint8_t fddi_shost[FDDI_K_ALEN];    /* Source host */
 };
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/netinet/if_tr.h b/sysdeps/unix/sysv/linux/netinet/if_tr.h
index c203d11..d7fdf7c 100644
--- a/sysdeps/unix/sysv/linux/netinet/if_tr.h
+++ b/sysdeps/unix/sysv/linux/netinet/if_tr.h
@@ -35,22 +35,22 @@
 /* This is an Token-Ring frame header. */
 struct trh_hdr
 {
-  u_int8_t  ac;			/* access control field */
-  u_int8_t  fc;			/* frame control field */
-  u_int8_t  daddr[TR_ALEN];	/* destination address */
-  u_int8_t  saddr[TR_ALEN];	/* source address */
-  u_int16_t rcf;		/* route control field */
-  u_int16_t rseg[8];		/* routing registers */
+  uint8_t  ac;			/* access control field */
+  uint8_t  fc;			/* frame control field */
+  uint8_t  daddr[TR_ALEN];	/* destination address */
+  uint8_t  saddr[TR_ALEN];	/* source address */
+  uint16_t rcf;		/* route control field */
+  uint16_t rseg[8];		/* routing registers */
 };
 
 /* This is an Token-Ring LLC structure */
 struct trllc
 {
-  u_int8_t  dsap;		/* destination SAP */
-  u_int8_t  ssap;		/* source SAP */
-  u_int8_t  llc;		/* LLC control field */
-  u_int8_t  protid[3];		/* protocol id */
-  u_int16_t ethertype;		/* ether type field */
+  uint8_t  dsap;		/* destination SAP */
+  uint8_t  ssap;		/* source SAP */
+  uint8_t  llc;		/* LLC control field */
+  uint8_t  protid[3];		/* protocol id */
+  uint16_t ethertype;		/* ether type field */
 };
 
 /* Token-Ring statistics collection data. */
@@ -97,12 +97,12 @@ struct tr_statistics
 
 struct trn_hdr
 {
-  u_int8_t trn_ac;                /* access control field */
-  u_int8_t trn_fc;                /* field control field */
-  u_int8_t trn_dhost[TR_ALEN];    /* destination host */
-  u_int8_t trn_shost[TR_ALEN];    /* source host */
-  u_int16_t trn_rcf;              /* route control field */
-  u_int16_t trn_rseg[8];          /* routing registers */
+  uint8_t trn_ac;                /* access control field */
+  uint8_t trn_fc;                /* field control field */
+  uint8_t trn_dhost[TR_ALEN];    /* destination host */
+  uint8_t trn_shost[TR_ALEN];    /* source host */
+  uint16_t trn_rcf;              /* route control field */
+  uint16_t trn_rseg[8];          /* routing registers */
 };
 
 #endif
diff --git a/sysdeps/unix/sysv/linux/netipx/ipx.h b/sysdeps/unix/sysv/linux/netipx/ipx.h
index 855ab99..1d6cb78 100644
--- a/sysdeps/unix/sysv/linux/netipx/ipx.h
+++ b/sysdeps/unix/sysv/linux/netipx/ipx.h
@@ -34,10 +34,10 @@ __BEGIN_DECLS
 struct sockaddr_ipx
   {
     sa_family_t sipx_family;
-    u_int16_t sipx_port;
-    u_int32_t sipx_network;
+    uint16_t sipx_port;
+    uint32_t sipx_network;
     unsigned char sipx_node[IPX_NODE_LEN];
-    u_int8_t sipx_type;
+    uint8_t sipx_type;
     unsigned char sipx_zero;	/* 16 byte fill */
   };
 
diff --git a/sysdeps/unix/sysv/linux/sys/acct.h b/sysdeps/unix/sysv/linux/sys/acct.h
index ea0e7fd..1e4a114 100644
--- a/sysdeps/unix/sysv/linux/sys/acct.h
+++ b/sysdeps/unix/sysv/linux/sys/acct.h
@@ -35,15 +35,15 @@ __BEGIN_DECLS
   specific encoding system used.
 */
 
-typedef u_int16_t comp_t;
+typedef uint16_t comp_t;
 
 struct acct
 {
   char ac_flag;			/* Flags.  */
-  u_int16_t ac_uid;		/* Real user ID.  */
-  u_int16_t ac_gid;		/* Real group ID.  */
-  u_int16_t ac_tty;		/* Controlling terminal.  */
-  u_int32_t ac_btime;		/* Beginning time.  */
+  uint16_t ac_uid;		/* Real user ID.  */
+  uint16_t ac_gid;		/* Real group ID.  */
+  uint16_t ac_tty;		/* Controlling terminal.  */
+  uint32_t ac_btime;		/* Beginning time.  */
   comp_t ac_utime;		/* User time.  */
   comp_t ac_stime;		/* System time.  */
   comp_t ac_etime;		/* Elapsed time.  */
@@ -53,7 +53,7 @@ struct acct
   comp_t ac_minflt;		/* Minor pagefaults.  */
   comp_t ac_majflt;		/* Major pagefaults.  */
   comp_t ac_swaps;		/* Number of swaps.  */
-  u_int32_t ac_exitcode;	/* Process exitcode.  */
+  uint32_t ac_exitcode;	/* Process exitcode.  */
   char ac_comm[ACCT_COMM+1];	/* Command name.  */
   char ac_pad[10];		/* Padding bytes.  */
 };
@@ -63,13 +63,13 @@ struct acct_v3
 {
   char ac_flag;			/* Flags */
   char ac_version;		/* Always set to ACCT_VERSION */
-  u_int16_t ac_tty;		/* Control Terminal */
-  u_int32_t ac_exitcode;	/* Exitcode */
-  u_int32_t ac_uid;		/* Real User ID */
-  u_int32_t ac_gid;		/* Real Group ID */
-  u_int32_t ac_pid;		/* Process ID */
-  u_int32_t ac_ppid;		/* Parent Process ID */
-  u_int32_t ac_btime;		/* Process Creation Time */
+  uint16_t ac_tty;		/* Control Terminal */
+  uint32_t ac_exitcode;	/* Exitcode */
+  uint32_t ac_uid;		/* Real User ID */
+  uint32_t ac_gid;		/* Real Group ID */
+  uint32_t ac_pid;		/* Process ID */
+  uint32_t ac_ppid;		/* Parent Process ID */
+  uint32_t ac_btime;		/* Process Creation Time */
   float ac_etime;		/* Elapsed Time */
   comp_t ac_utime;		/* User Time */
   comp_t ac_stime;		/* System Time */
diff --git a/sysdeps/unix/sysv/linux/sys/quota.h b/sysdeps/unix/sysv/linux/sys/quota.h
index 316febe..8054673 100644
--- a/sysdeps/unix/sysv/linux/sys/quota.h
+++ b/sysdeps/unix/sysv/linux/sys/quota.h
@@ -130,12 +130,12 @@
 #if _LINUX_QUOTA_VERSION < 2
 struct dqblk
   {
-    u_int32_t dqb_bhardlimit;	/* absolute limit on disk blks alloc */
-    u_int32_t dqb_bsoftlimit;	/* preferred limit on disk blks */
-    u_int32_t dqb_curblocks;	/* current block count */
-    u_int32_t dqb_ihardlimit;	/* maximum # allocated inodes */
-    u_int32_t dqb_isoftlimit;	/* preferred inode limit */
-    u_int32_t dqb_curinodes;	/* current # allocated inodes */
+    uint32_t dqb_bhardlimit;	/* absolute limit on disk blks alloc */
+    uint32_t dqb_bsoftlimit;	/* preferred limit on disk blks */
+    uint32_t dqb_curblocks;	/* current block count */
+    uint32_t dqb_ihardlimit;	/* maximum # allocated inodes */
+    uint32_t dqb_isoftlimit;	/* preferred inode limit */
+    uint32_t dqb_curinodes;	/* current # allocated inodes */
     time_t dqb_btime;		/* time limit for excessive disk use */
     time_t dqb_itime;		/* time limit for excessive files */
   };
@@ -155,15 +155,15 @@ struct dqblk
 
 struct dqblk
   {
-    u_int64_t dqb_bhardlimit;	/* absolute limit on disk quota blocks alloc */
-    u_int64_t dqb_bsoftlimit;	/* preferred limit on disk quota blocks */
-    u_int64_t dqb_curspace;	/* current quota block count */
-    u_int64_t dqb_ihardlimit;	/* maximum # allocated inodes */
-    u_int64_t dqb_isoftlimit;	/* preferred inode limit */
-    u_int64_t dqb_curinodes;	/* current # allocated inodes */
-    u_int64_t dqb_btime;	/* time limit for excessive disk use */
-    u_int64_t dqb_itime;	/* time limit for excessive files */
-    u_int32_t dqb_valid;	/* bitmask of QIF_* constants */
+    uint64_t dqb_bhardlimit;	/* absolute limit on disk quota blocks alloc */
+    uint64_t dqb_bsoftlimit;	/* preferred limit on disk quota blocks */
+    uint64_t dqb_curspace;	/* current quota block count */
+    uint64_t dqb_ihardlimit;	/* maximum # allocated inodes */
+    uint64_t dqb_isoftlimit;	/* preferred inode limit */
+    uint64_t dqb_curinodes;	/* current # allocated inodes */
+    uint64_t dqb_btime;	/* time limit for excessive disk use */
+    uint64_t dqb_itime;	/* time limit for excessive files */
+    uint32_t dqb_valid;	/* bitmask of QIF_* constants */
   };
 #endif
 
@@ -189,15 +189,15 @@ struct dqblk
 #if _LINUX_QUOTA_VERSION < 2
 struct dqstats
   {
-    u_int32_t lookups;
-    u_int32_t drops;
-    u_int32_t reads;
-    u_int32_t writes;
-    u_int32_t cache_hits;
-    u_int32_t pages_allocated;
-    u_int32_t allocated_dquots;
-    u_int32_t free_dquots;
-    u_int32_t syncs;
+    uint32_t lookups;
+    uint32_t drops;
+    uint32_t reads;
+    uint32_t writes;
+    uint32_t cache_hits;
+    uint32_t pages_allocated;
+    uint32_t allocated_dquots;
+    uint32_t free_dquots;
+    uint32_t syncs;
   };
 #else
 
@@ -209,10 +209,10 @@ struct dqstats
 
 struct dqinfo
   {
-    u_int64_t dqi_bgrace;
-    u_int64_t dqi_igrace;
-    u_int32_t dqi_flags;
-    u_int32_t dqi_valid;
+    uint64_t dqi_bgrace;
+    uint64_t dqi_igrace;
+    uint32_t dqi_flags;
+    uint32_t dqi_valid;
   };
 #endif
 
