diff --git a/arch/arm/bits/termios.h b/arch/arm/bits/termios.h
index 61c888f..f0d81b1 100644
--- a/arch/arm/bits/termios.h
+++ b/arch/arm/bits/termios.h
@@ -42,6 +42,7 @@ struct termios
 #define IXANY   0004000
 #define IXOFF   0010000
 #define IMAXBEL 0020000
+#define IUTF8   0040000
 
 #define OPOST  0000001
 #define OLCUC  0000002
@@ -75,9 +76,6 @@ struct termios
 #define VT0    0000000
 #define VT1    0040000
 
-/* ?? */
-#define XTABS  0014000
-
 #define B0       0000000
 #define B50      0000001
 #define B75      0000002
@@ -125,8 +123,6 @@ struct termios
 #define HUPCL  0002000
 #define CLOCAL 0004000
 
-#define CRTSCTS  020000000000
-
 #define ISIG   0000001
 #define ICANON 0000002
 #define ECHO   0000010
@@ -137,14 +133,11 @@ struct termios
 #define TOSTOP 0000400
 #define IEXTEN 0100000
 
-/* Extensions? */
-#define CBAUDEX 0010000
 #define ECHOCTL 0001000
 #define ECHOPRT 0002000
 #define ECHOKE 0004000
 #define FLUSHO 0010000
 #define PENDIN 0040000
-#define EXTPROC 0200000
 
 #define TCOOFF 0
 #define TCOON  1
@@ -158,3 +151,10 @@ struct termios
 #define TCSANOW   0
 #define TCSADRAIN 1
 #define TCSAFLUSH 2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX 0010000
+#define CRTSCTS  020000000000
+#define EXTPROC 0200000
+#define XTABS  0014000
+#endif
diff --git a/arch/i386/bits/termios.h b/arch/i386/bits/termios.h
index 61c888f..f0d81b1 100644
--- a/arch/i386/bits/termios.h
+++ b/arch/i386/bits/termios.h
@@ -42,6 +42,7 @@ struct termios
 #define IXANY   0004000
 #define IXOFF   0010000
 #define IMAXBEL 0020000
+#define IUTF8   0040000
 
 #define OPOST  0000001
 #define OLCUC  0000002
@@ -75,9 +76,6 @@ struct termios
 #define VT0    0000000
 #define VT1    0040000
 
-/* ?? */
-#define XTABS  0014000
-
 #define B0       0000000
 #define B50      0000001
 #define B75      0000002
@@ -125,8 +123,6 @@ struct termios
 #define HUPCL  0002000
 #define CLOCAL 0004000
 
-#define CRTSCTS  020000000000
-
 #define ISIG   0000001
 #define ICANON 0000002
 #define ECHO   0000010
@@ -137,14 +133,11 @@ struct termios
 #define TOSTOP 0000400
 #define IEXTEN 0100000
 
-/* Extensions? */
-#define CBAUDEX 0010000
 #define ECHOCTL 0001000
 #define ECHOPRT 0002000
 #define ECHOKE 0004000
 #define FLUSHO 0010000
 #define PENDIN 0040000
-#define EXTPROC 0200000
 
 #define TCOOFF 0
 #define TCOON  1
@@ -158,3 +151,10 @@ struct termios
 #define TCSANOW   0
 #define TCSADRAIN 1
 #define TCSAFLUSH 2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX 0010000
+#define CRTSCTS  020000000000
+#define EXTPROC 0200000
+#define XTABS  0014000
+#endif
diff --git a/arch/microblaze/bits/termios.h b/arch/microblaze/bits/termios.h
index 61c888f..f0d81b1 100644
--- a/arch/microblaze/bits/termios.h
+++ b/arch/microblaze/bits/termios.h
@@ -42,6 +42,7 @@ struct termios
 #define IXANY   0004000
 #define IXOFF   0010000
 #define IMAXBEL 0020000
+#define IUTF8   0040000
 
 #define OPOST  0000001
 #define OLCUC  0000002
@@ -75,9 +76,6 @@ struct termios
 #define VT0    0000000
 #define VT1    0040000
 
-/* ?? */
-#define XTABS  0014000
-
 #define B0       0000000
 #define B50      0000001
 #define B75      0000002
@@ -125,8 +123,6 @@ struct termios
 #define HUPCL  0002000
 #define CLOCAL 0004000
 
-#define CRTSCTS  020000000000
-
 #define ISIG   0000001
 #define ICANON 0000002
 #define ECHO   0000010
@@ -137,14 +133,11 @@ struct termios
 #define TOSTOP 0000400
 #define IEXTEN 0100000
 
-/* Extensions? */
-#define CBAUDEX 0010000
 #define ECHOCTL 0001000
 #define ECHOPRT 0002000
 #define ECHOKE 0004000
 #define FLUSHO 0010000
 #define PENDIN 0040000
-#define EXTPROC 0200000
 
 #define TCOOFF 0
 #define TCOON  1
@@ -158,3 +151,10 @@ struct termios
 #define TCSANOW   0
 #define TCSADRAIN 1
 #define TCSAFLUSH 2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX 0010000
+#define CRTSCTS  020000000000
+#define EXTPROC 0200000
+#define XTABS  0014000
+#endif
diff --git a/arch/mips/bits/termios.h b/arch/mips/bits/termios.h
index 179af8e..487c1d4 100644
--- a/arch/mips/bits/termios.h
+++ b/arch/mips/bits/termios.h
@@ -77,9 +77,6 @@ struct termios
 #define VT0    0000000
 #define VT1    0040000
 
-/* ?? */
-#define XTABS  0014000
-
 #define B0       0000000
 #define B50      0000001
 #define B75      0000002
@@ -129,12 +126,6 @@ struct termios
 #define PARODD 0001000
 #define HUPCL  0002000
 #define CLOCAL 0004000
-#define CBAUDEX 0010000
-
-#define CIBAUD   002003600000
-#define CMSPAR   010000000000
-#define CRTSCTS  020000000000
-#define IBSHIFT 16
 
 #define ISIG   0000001
 #define ICANON 0000002
@@ -152,9 +143,6 @@ struct termios
 #define PENDIN 0040000
 #define TOSTOP 0100000
 #define ITOSTOP 0100000
-#define EXTPROC 0200000
-
-#define TIOCSER_TEMT 1
 
 #define TCOOFF 0
 #define TCOON  1
@@ -168,3 +156,14 @@ struct termios
 #define TCSANOW   0
 #define TCSADRAIN 1
 #define TCSAFLUSH 2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX 0010000
+#define CIBAUD   002003600000
+#define IBSHIFT 16
+#define CMSPAR   010000000000
+#define CRTSCTS  020000000000
+#define EXTPROC 0200000
+#define XTABS  0014000
+#define TIOCSER_TEMT 1
+#endif
diff --git a/arch/powerpc/bits/termios.h b/arch/powerpc/bits/termios.h
index 3022759..9f8016c 100644
--- a/arch/powerpc/bits/termios.h
+++ b/arch/powerpc/bits/termios.h
@@ -66,7 +66,6 @@ struct termios
 #define TAB1	00002000
 #define TAB2	00004000
 #define TAB3	00006000
-#define XTABS	00006000
 #define CRDLY	00030000
 #define CR0	00000000
 #define CR1	00010000
@@ -101,7 +100,6 @@ struct termios
 #define B38400	0000017
 #define EXTA	B19200
 #define EXTB	B38400
-#define CBAUDEX	0000000
 #define B57600	00020
 #define B115200	00021
 #define B230400	00022
@@ -120,9 +118,6 @@ struct termios
 #define B4000000	00036
 #define BOTHER	00037
 
-#define CIBAUD	077600000
-#define IBSHIFT 16
-
 #define CSIZE	00001400
 #define CS5	00000000
 #define CS6	00000400
@@ -136,8 +131,6 @@ struct termios
 #define HUPCL	00040000
 
 #define CLOCAL	00100000
-#define CMSPAR	010000000000
-#define CRTSCTS	020000000000
 
 #define ISIG	0x00000080
 #define ICANON	0x00000100
@@ -154,7 +147,6 @@ struct termios
 #define FLUSHO	0x00800000
 #define PENDIN	0x20000000
 #define IEXTEN	0x00000400
-#define EXTPROC 0x10000000
 
 #define TCOOFF	0
 #define TCOON	1
@@ -168,3 +160,13 @@ struct termios
 #define TCSANOW		0
 #define TCSADRAIN	1
 #define TCSAFLUSH	2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX	0000000
+#define CIBAUD	077600000
+#define IBSHIFT 16
+#define CMSPAR	010000000000
+#define CRTSCTS	020000000000
+#define EXTPROC 0x10000000
+#define XTABS	00006000
+#endif
diff --git a/arch/x86_64/atomic.h b/arch/x86_64/atomic.h
index 0d3da6f..124b37a 100644
--- a/arch/x86_64/atomic.h
+++ b/arch/x86_64/atomic.h
@@ -5,38 +5,36 @@
 
 static inline int a_ctz_64(uint64_t x)
 {
-	long r;
-	__asm__( "bsf %1,%0" : "=r"(r) : "r"(x) );
-	return r;
+	__asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
+	return x;
 }
 
 static inline int a_ctz_l(unsigned long x)
 {
-	long r;
-	__asm__( "bsf %1,%0" : "=r"(r) : "r"(x) );
-	return r;
+	__asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
+	return x;
 }
 
 static inline void a_and_64(volatile uint64_t *p, uint64_t v)
 {
-	__asm__( "lock ; andq %1, %0"
-			 : "=m"(*(long *)p) : "r"(v) : "memory" );
+	__asm__( "lock ; and %1, %0"
+			 : "=m"(*p) : "r"(v) : "memory" );
 }
 
 static inline void a_or_64(volatile uint64_t *p, uint64_t v)
 {
-	__asm__( "lock ; orq %1, %0"
-			 : "=m"(*(long *)p) : "r"(v) : "memory" );
+	__asm__( "lock ; or %1, %0"
+			 : "=m"(*p) : "r"(v) : "memory" );
 }
 
 static inline void a_store_l(volatile void *p, long x)
 {
-	__asm__( "movq %1, %0" : "=m"(*(long *)p) : "r"(x) : "memory" );
+	__asm__( "mov %1, %0" : "=m"(*(long *)p) : "r"(x) : "memory" );
 }
 
 static inline void a_or_l(volatile void *p, long v)
 {
-	__asm__( "lock ; orq %1, %0"
+	__asm__( "lock ; or %1, %0"
 		: "=m"(*(long *)p) : "r"(v) : "memory" );
 }
 
@@ -56,7 +54,7 @@ static inline long a_cas_l(volatile void *p, long t, long s)
 
 static inline int a_cas(volatile int *p, int t, int s)
 {
-	__asm__( "lock ; cmpxchgl %3, %1"
+	__asm__( "lock ; cmpxchg %3, %1"
 		: "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
 	return t;
 }
@@ -74,13 +72,13 @@ static inline long a_swap_l(volatile void *x, long v)
 
 static inline void a_or(volatile void *p, int v)
 {
-	__asm__( "lock ; orl %1, %0"
+	__asm__( "lock ; or %1, %0"
 		: "=m"(*(int *)p) : "r"(v) : "memory" );
 }
 
 static inline void a_and(volatile void *p, int v)
 {
-	__asm__( "lock ; andl %1, %0"
+	__asm__( "lock ; and %1, %0"
 		: "=m"(*(int *)p) : "r"(v) : "memory" );
 }
 
@@ -110,7 +108,7 @@ static inline void a_dec(volatile int *x)
 
 static inline void a_store(volatile int *p, int x)
 {
-	__asm__( "movl %1, %0" : "=m"(*p) : "r"(x) : "memory" );
+	__asm__( "mov %1, %0" : "=m"(*p) : "r"(x) : "memory" );
 }
 
 static inline void a_spin()
diff --git a/arch/x86_64/bits/stat.h b/arch/x86_64/bits/stat.h
index 2145796..081237c 100644
--- a/arch/x86_64/bits/stat.h
+++ b/arch/x86_64/bits/stat.h
@@ -2,7 +2,7 @@
  * by the corresponding correctly-sized userspace types. */
 
 struct stat {
-	unsigned long st_dev;
+	dev_t st_dev;
 	ino_t st_ino;
 	nlink_t st_nlink;
 
diff --git a/arch/x86_64/bits/termios.h b/arch/x86_64/bits/termios.h
index 61c888f..f0d81b1 100644
--- a/arch/x86_64/bits/termios.h
+++ b/arch/x86_64/bits/termios.h
@@ -42,6 +42,7 @@ struct termios
 #define IXANY   0004000
 #define IXOFF   0010000
 #define IMAXBEL 0020000
+#define IUTF8   0040000
 
 #define OPOST  0000001
 #define OLCUC  0000002
@@ -75,9 +76,6 @@ struct termios
 #define VT0    0000000
 #define VT1    0040000
 
-/* ?? */
-#define XTABS  0014000
-
 #define B0       0000000
 #define B50      0000001
 #define B75      0000002
@@ -125,8 +123,6 @@ struct termios
 #define HUPCL  0002000
 #define CLOCAL 0004000
 
-#define CRTSCTS  020000000000
-
 #define ISIG   0000001
 #define ICANON 0000002
 #define ECHO   0000010
@@ -137,14 +133,11 @@ struct termios
 #define TOSTOP 0000400
 #define IEXTEN 0100000
 
-/* Extensions? */
-#define CBAUDEX 0010000
 #define ECHOCTL 0001000
 #define ECHOPRT 0002000
 #define ECHOKE 0004000
 #define FLUSHO 0010000
 #define PENDIN 0040000
-#define EXTPROC 0200000
 
 #define TCOOFF 0
 #define TCOON  1
@@ -158,3 +151,10 @@ struct termios
 #define TCSANOW   0
 #define TCSADRAIN 1
 #define TCSAFLUSH 2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX 0010000
+#define CRTSCTS  020000000000
+#define EXTPROC 0200000
+#define XTABS  0014000
+#endif
diff --git a/arch/x86_64/pthread_arch.h b/arch/x86_64/pthread_arch.h
index 77c8387..29e4590 100644
--- a/arch/x86_64/pthread_arch.h
+++ b/arch/x86_64/pthread_arch.h
@@ -1,7 +1,7 @@
 static inline struct pthread *__pthread_self()
 {
 	struct pthread *self;
-	__asm__ __volatile__ ("movq %%fs:0,%0" : "=r" (self) );
+	__asm__ __volatile__ ("mov %%fs:0,%0" : "=r" (self) );
 	return self;
 }
 
diff --git a/include/arpa/inet.h b/include/arpa/inet.h
index 5dcadaa..37f8c11 100644
--- a/include/arpa/inet.h
+++ b/include/arpa/inet.h
@@ -20,7 +20,7 @@ int inet_pton (int, const char *__restrict, void *__restrict);
 const char *inet_ntop (int, const void *__restrict, char *__restrict, socklen_t);
 
 int inet_aton (const char *, struct in_addr *);
-struct in_addr inet_makeaddr(int, int);
+struct in_addr inet_makeaddr(in_addr_t, in_addr_t);
 in_addr_t inet_lnaof(struct in_addr);
 in_addr_t inet_netof(struct in_addr);
 
diff --git a/include/dlfcn.h b/include/dlfcn.h
index db26194..78fb073 100644
--- a/include/dlfcn.h
+++ b/include/dlfcn.h
@@ -31,7 +31,7 @@ typedef struct {
 	const char *dli_sname;
 	void *dli_saddr;
 } Dl_info;
-int dladdr(void *, Dl_info *);
+int dladdr(const void *, Dl_info *);
 int dlinfo(void *, int, void *);
 #endif
 
diff --git a/include/fcntl.h b/include/fcntl.h
index 55a89f9..e01a4d1 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -148,6 +148,7 @@ struct f_owner_ex {
 #define SPLICE_F_MORE 4
 #define SPLICE_F_GIFT 8
 int fallocate(int, int, off_t, off_t);
+#define fallocate64 fallocate
 ssize_t readahead(int, off_t, size_t);
 int sync_file_range(int, off_t, off_t, unsigned);
 ssize_t vmsplice(int, const struct iovec *, size_t, unsigned);
diff --git a/include/netdb.h b/include/netdb.h
index 2dd799b..dfc70e2 100644
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -131,6 +131,7 @@ int *__h_errno_location(void);
 #define TRY_AGAIN      2
 #define NO_RECOVERY    3
 #define NO_DATA        4
+#define NO_ADDRESS     NO_DATA
 #endif
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
diff --git a/include/netinet/in.h b/include/netinet/in.h
index db96144..2e25afe 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -149,7 +149,7 @@ uint16_t ntohs(uint16_t);
         (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe))
 
 #define __ARE_4_EQUAL(a,b) \
-	(!( 0[a]-0[b] | 1[a]-1[b] | 2[a]-2[b] | 3[a]-3[b] ))
+	(!( (0[a]-0[b]) | (1[a]-1[b]) | (2[a]-2[b]) | (3[a]-3[b]) ))
 #define IN6_ARE_ADDR_EQUAL(a,b) \
 	__ARE_4_EQUAL((const uint32_t *)(a), (const uint32_t *)(b))
 
@@ -211,19 +211,6 @@ uint16_t ntohs(uint16_t);
 #define IP_MULTICAST_ALL   49
 #define IP_UNICAST_IF      50
 
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define MCAST_JOIN_GROUP   42
-#define MCAST_BLOCK_SOURCE 43
-#define MCAST_UNBLOCK_SOURCE      44
-#define MCAST_LEAVE_GROUP  45
-#define MCAST_JOIN_SOURCE_GROUP   46
-#define MCAST_LEAVE_SOURCE_GROUP  47
-#define MCAST_MSFILTER     48
-
-#define MCAST_EXCLUDE 0
-#define MCAST_INCLUDE 1
-#endif
-
 #define IP_RECVRETOPTS IP_RETOPTS
 
 #define IP_PMTUDISC_DONT   0
@@ -231,8 +218,6 @@ uint16_t ntohs(uint16_t);
 #define IP_PMTUDISC_DO     2
 #define IP_PMTUDISC_PROBE  3
 
-#define SOL_IP 0
-
 #define IP_DEFAULT_MULTICAST_TTL        1
 #define IP_DEFAULT_MULTICAST_LOOP       1
 #define IP_MAX_MEMBERSHIPS              20
@@ -243,6 +228,19 @@ struct ip_opts
 	char ip_opts[40];
 };
 
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+
+#define MCAST_JOIN_GROUP   42
+#define MCAST_BLOCK_SOURCE 43
+#define MCAST_UNBLOCK_SOURCE      44
+#define MCAST_LEAVE_GROUP  45
+#define MCAST_JOIN_SOURCE_GROUP   46
+#define MCAST_LEAVE_SOURCE_GROUP  47
+#define MCAST_MSFILTER     48
+
+#define MCAST_EXCLUDE 0
+#define MCAST_INCLUDE 1
+
 struct ip_mreq
 {
 	struct in_addr imr_multiaddr;
@@ -273,7 +271,6 @@ struct ip_msfilter {
 	(sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
 	+ (numsrc) * sizeof(struct in_addr))
 
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 struct group_req {
 	uint32_t gr_interface;
 	struct sockaddr_storage gr_group;
@@ -295,7 +292,6 @@ struct group_filter {
 #define GROUP_FILTER_SIZE(numsrc) \
 	(sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \
 	+ (numsrc) * sizeof(struct sockaddr_storage))
-#endif
 
 struct in_pktinfo
 {
@@ -315,6 +311,7 @@ struct ip6_mtuinfo
 	struct sockaddr_in6 ip6m_addr;
 	uint32_t ip6m_mtu;
 };
+#endif
 
 #define IPV6_ADDRFORM           1
 #define IPV6_2292PKTINFO        2
@@ -324,7 +321,6 @@ struct ip6_mtuinfo
 #define IPV6_2292PKTOPTIONS     6
 #define IPV6_CHECKSUM           7
 #define IPV6_2292HOPLIMIT       8
-#define SCM_SRCRT               IPV6_RXSRCRT
 #define IPV6_NEXTHOP            9
 #define IPV6_AUTHHDR            10
 #define IPV6_UNICAST_HOPS       16
@@ -363,15 +359,11 @@ struct ip6_mtuinfo
 #define IPV6_RXHOPOPTS          IPV6_HOPOPTS
 #define IPV6_RXDSTOPTS          IPV6_DSTOPTS
 
-
 #define IPV6_PMTUDISC_DONT      0
 #define IPV6_PMTUDISC_WANT      1
 #define IPV6_PMTUDISC_DO        2
 #define IPV6_PMTUDISC_PROBE     3
 
-#define SOL_IPV6        41
-#define SOL_ICMPV6      58
-
 #define IPV6_RTHDR_LOOSE        0
 #define IPV6_RTHDR_STRICT       1
 
diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index 5639b89..d3db042 100644
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -44,42 +44,80 @@
 #define SOL_TCP 6
 #include <sys/types.h>
 #include <sys/socket.h>
-#endif
+#include <stdint.h>
+#include <endian.h>
+
+typedef uint32_t tcp_seq;
 
+#define TH_FIN 0x01
+#define TH_SYN 0x02
+#define TH_RST 0x04
+#define TH_PUSH 0x08
+#define TH_ACK 0x10
+#define TH_URG 0x20
+
+struct tcphdr {
 #ifdef _GNU_SOURCE
-#include <endian.h>
-struct tcphdr
-{
-	u_int16_t source;
-	u_int16_t dest;
-	u_int32_t seq;
-	u_int32_t ack_seq;
+#ifdef __GNUC__
+	__extension__
+#endif
+	union { struct {
+
+	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;
 #else
-	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;
+#endif
+	uint16_t window;
+	uint16_t check;
+	uint16_t urg_ptr;
+
+	}; struct {
+#endif
+
+	uint16_t th_sport;
+	uint16_t th_dport;
+	uint32_t th_seq;
+	uint32_t th_ack;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	uint8_t th_x2:4;
+	uint8_t th_off:4;
+#else
+	uint8_t th_off:4;
+	uint8_t th_x2:4;
+#endif
+	uint8_t th_flags;
+	uint16_t th_win;
+	uint16_t th_sum;
+	uint16_t th_urp;
+
+#ifdef _GNU_SOURCE
+	}; };
 #endif
-	u_int16_t window;
-	u_int16_t check;
-	u_int16_t urg_ptr;
 };
+#endif
 
+#ifdef _GNU_SOURCE
 #define TCPI_OPT_TIMESTAMPS	1
 #define TCPI_OPT_SACK		2
 #define TCPI_OPT_WSCALE		4
@@ -93,37 +131,37 @@ struct tcphdr
 
 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;
-	u_int32_t tcpi_rto;
-	u_int32_t tcpi_ato;
-	u_int32_t tcpi_snd_mss;
-	u_int32_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;
-	u_int32_t tcpi_last_data_sent;
-	u_int32_t tcpi_last_ack_sent;
-	u_int32_t tcpi_last_data_recv;
-	u_int32_t tcpi_last_ack_recv;
-	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;
-	u_int32_t tcpi_rcv_rtt;
-	u_int32_t tcpi_rcv_space;
-	u_int32_t tcpi_total_retrans;
+	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;
+	uint32_t tcpi_rto;
+	uint32_t tcpi_ato;
+	uint32_t tcpi_snd_mss;
+	uint32_t tcpi_rcv_mss;
+	uint32_t tcpi_unacked;
+	uint32_t tcpi_sacked;
+	uint32_t tcpi_lost;
+	uint32_t tcpi_retrans;
+	uint32_t tcpi_fackets;
+	uint32_t tcpi_last_data_sent;
+	uint32_t tcpi_last_ack_sent;
+	uint32_t tcpi_last_data_recv;
+	uint32_t tcpi_last_ack_recv;
+	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;
+	uint32_t tcpi_rcv_rtt;
+	uint32_t tcpi_rcv_space;
+	uint32_t tcpi_total_retrans;
 };
 
 #define TCP_MD5SIG_MAXKEYLEN    80
@@ -131,10 +169,10 @@ struct tcp_info
 struct tcp_md5sig
 {
 	struct sockaddr_storage tcpm_addr;
-	u_int16_t __tcpm_pad1;
-	u_int16_t tcpm_keylen;
-	u_int32_t __tcpm_pad2;
-	u_int8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN];
+	uint16_t __tcpm_pad1;
+	uint16_t tcpm_keylen;
+	uint32_t __tcpm_pad2;
+	uint8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN];
 };
 
 #endif
diff --git a/include/netinet/udp.h b/include/netinet/udp.h
index 15b9145..b1b0eb8 100644
--- a/include/netinet/udp.h
+++ b/include/netinet/udp.h
@@ -5,19 +5,22 @@
 extern "C" {
 #endif
 
+#include <features.h>
 #include <stdint.h>
 
-struct udphdr {
-	uint16_t source;
-	uint16_t dest;
-	uint16_t len;
-	uint16_t check;
-};
-
+#ifdef _GNU_SOURCE
 #define uh_sport source
 #define uh_dport dest
 #define uh_ulen len
 #define uh_sum check
+#endif
+
+struct udphdr {
+	uint16_t uh_sport;
+	uint16_t uh_dport;
+	uint16_t uh_ulen;
+	uint16_t uh_sum;
+};
 
 #define UDP_CORK	1
 #define UDP_ENCAP	100
diff --git a/include/sched.h b/include/sched.h
index 6a6b2fc..105dac9 100644
--- a/include/sched.h
+++ b/include/sched.h
@@ -78,7 +78,7 @@ int __sched_cpucount(size_t, const cpu_set_t *);
 int sched_getaffinity(pid_t, size_t, cpu_set_t *);
 int sched_setaffinity(pid_t, size_t, const cpu_set_t *);
 
-#define __CPU_op_S(i, size, set, op) ( (i)/8 >= (size) ? 0 : \
+#define __CPU_op_S(i, size, set, op) ( (i)/8U >= (size) ? 0 : \
 	((set)->__bits[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) )
 
 #define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=)
diff --git a/include/signal.h b/include/signal.h
index 6f10a118..8ef5ff1 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -227,8 +227,8 @@ typedef void (*sig_t)(int);
 typedef void (*sighandler_t)(int);
 void (*bsd_signal(int, void (*)(int)))(int);
 int sigisemptyset(const sigset_t *);
-int sigorset (sigset_t *, sigset_t *, sigset_t *);
-int sigandset(sigset_t *, sigset_t *, sigset_t *);
+int sigorset (sigset_t *, const sigset_t *, const sigset_t *);
+int sigandset(sigset_t *, const sigset_t *, const sigset_t *);
 
 #define SA_NOMASK SA_NODEFER
 #define SA_ONESHOT SA_RESETHAND
diff --git a/include/stdlib.h b/include/stdlib.h
index 1e67b89..f034c6e 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -93,7 +93,7 @@ size_t wcstombs (char *__restrict, const wchar_t *__restrict, size_t);
 #define WSTOPSIG(s) WEXITSTATUS(s)
 #define WIFEXITED(s) (!WTERMSIG(s))
 #define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001)>>8) > 0x7f00)
-#define WIFSIGNALED(s) (((s)&0xffff)-1 < 0xffu)
+#define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
 
 int posix_memalign (void **, size_t, size_t);
 int setenv (const char *, const char *, int);
diff --git a/include/sys/inotify.h b/include/sys/inotify.h
index a5bf96a..46638ca 100644
--- a/include/sys/inotify.h
+++ b/include/sys/inotify.h
@@ -48,7 +48,7 @@ struct inotify_event {
 int inotify_init(void);
 int inotify_init1(int);
 int inotify_add_watch(int, const char *, uint32_t);
-int inotify_rm_watch(int, uint32_t);
+int inotify_rm_watch(int, int);
 
 #ifdef __cplusplus
 }
diff --git a/include/sys/mman.h b/include/sys/mman.h
index 9a1e60f..a34448a 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -33,7 +33,7 @@ int munlockall (void);
 
 #ifdef _GNU_SOURCE
 void *mremap (void *, size_t, size_t, int, ...);
-int remap_file_pages (void *, size_t, int, ssize_t, int);
+int remap_file_pages (void *, size_t, int, size_t, int);
 #endif
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
diff --git a/include/sys/shm.h b/include/sys/shm.h
index c20f033..d97e582 100644
--- a/include/sys/shm.h
+++ b/include/sys/shm.h
@@ -37,14 +37,16 @@ struct shminfo {
 	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
 };
 
-struct shm_info {
-	int used_ids;
-	unsigned long shm_tot, shm_rss, shm_swp;
 #ifdef _GNU_SOURCE
-	unsigned long swap_attempts, swap_successes;
-#else
-	unsigned long __reserved[2];
+#define __used_ids used_ids
+#define __swap_attempts swap_attempts
+#define __swap_successes swap_successes
 #endif
+
+struct shm_info {
+	int __used_ids;
+	unsigned long shm_tot, shm_rss, shm_swp;
+	unsigned long __swap_attempts, __swap_successes;
 };
 
 typedef unsigned long shmatt_t;
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 82edd6f..79a41cc 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -207,6 +207,10 @@ struct linger
 #define SOL_SOCKET      1
 #endif
 
+#define SOL_IP          0
+#define SOL_IPV6        41
+#define SOL_ICMPV6      58
+
 #define SOL_RAW         255
 #define SOL_DECNET      261
 #define SOL_X25         262
diff --git a/include/sys/sysctl.h b/include/sys/sysctl.h
deleted file mode 100644
index c358b79..0000000
--- a/include/sys/sysctl.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef	_SYS_SYSCTL_H
-#define	_SYS_SYSCTL_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define __NEED_size_t
-#include <bits/alltypes.h>
-
-int sysctl (int *, int, void *, size_t *, void *, size_t);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/include/sys/time.h b/include/sys/time.h
index b6787c3..bfe1414 100644
--- a/include/sys/time.h
+++ b/include/sys/time.h
@@ -51,6 +51,17 @@ int adjtime (const struct timeval *, struct timeval *);
 	((a)->tv_usec += 1000000, (a)->tv_sec--) )
 #endif
 
+#if defined(_GNU_SOURCE)
+#define TIMEVAL_TO_TIMESPEC(tv, ts) ( \
+	(ts)->tv_sec = (tv)->tv_sec, \
+	(ts)->tv_nsec = (tv)->tv_usec * 1000, \
+	(void)0 )
+#define TIMESPEC_TO_TIMEVAL(tv, ts) ( \
+	(tv)->tv_sec = (ts)->tv_sec, \
+	(tv)->tv_usec = (ts)->tv_nsec / 1000, \
+	(void)0 )
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/sys/wait.h b/include/sys/wait.h
index c794f5d..50c5c70 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -50,7 +50,7 @@ pid_t wait4 (pid_t, int *, int, struct rusage *);
 #define WCOREDUMP(s) ((s) & 0x80)
 #define WIFEXITED(s) (!WTERMSIG(s))
 #define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001)>>8) > 0x7f00)
-#define WIFSIGNALED(s) (((s)&0xffff)-1 < 0xffu)
+#define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
 #define WIFCONTINUED(s) ((s) == 0xffff)
 
 #ifdef __cplusplus
diff --git a/include/syslog.h b/include/syslog.h
index f7f545f..71dbd99 100644
--- a/include/syslog.h
+++ b/include/syslog.h
@@ -21,7 +21,7 @@ extern "C" {
 #define	LOG_MAKEPRI(f, p) (((f)<<3)|(p))
 
 #define LOG_MASK(p) (1<<(p))
-#define LOG_UPTO(p) ((1<<(p)+1)-1)
+#define LOG_UPTO(p) ((1<<((p)+1))-1)
 
 #define LOG_KERN     (0<<3)
 #define LOG_USER     (1<<3)
diff --git a/include/time.h b/include/time.h
index 7057409..dc88070 100644
--- a/include/time.h
+++ b/include/time.h
@@ -125,7 +125,7 @@ struct tm *getdate (const char *);
 
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-int stime(time_t *);
+int stime(const time_t *);
 time_t timegm(struct tm *);
 #endif
 
diff --git a/include/utmp.h b/include/utmp.h
index b357ac8..e9ba23e 100644
--- a/include/utmp.h
+++ b/include/utmp.h
@@ -10,6 +10,7 @@ extern "C" {
 #define ACCOUNTING 9
 #define UT_NAMESIZE 32
 #define UT_HOSTSIZE 256
+#define UT_LINESIZE 32
 
 struct lastlog {
 	time_t ll_time;
@@ -22,6 +23,8 @@ struct lastlog {
 #define ut_addr ut_addr_v6[0]
 #define utmp utmpx
 #define utmpname(x) (-1)
+#define e_exit __e_exit
+#define e_termination __e_termination
 
 void         endutent(void);
 struct utmp *getutent(void);
diff --git a/include/utmpx.h b/include/utmpx.h
index fd5f515..f0c3b01 100644
--- a/include/utmpx.h
+++ b/include/utmpx.h
@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+#include <features.h>
+
 #define __NEED_pid_t
 #define __NEED_time_t
 #define __NEED_suseconds_t
@@ -12,19 +14,17 @@ extern "C" {
 
 #include <bits/alltypes.h>
 
-#define UT_LINESIZE 32
-
 struct utmpx
 {
 	short ut_type;
 	pid_t ut_pid;
-	char ut_line[UT_LINESIZE];
+	char ut_line[32];
 	char ut_id[4];
 	char ut_user[32];
 	char ut_host[256];
 	struct {
-		short e_termination;
-		short e_exit;
+		short __e_termination;
+		short __e_exit;
 	} ut_exit;
 	long ut_session;
 	struct timeval ut_tv;
@@ -39,7 +39,11 @@ struct utmpx *getutxline(const struct utmpx *);
 struct utmpx *pututxline(const struct utmpx *);
 void          setutxent(void);
 
+#if defined(_BSD_SOURCE) | defined(_GNU_SOURCE)
+#define e_exit __e_exit
+#define e_termination __e_termination
 void updwtmpx(const char *, const struct utmpx *);
+#endif
 
 #define EMPTY           0
 #define RUN_LVL         1
diff --git a/src/crypt/crypt_des.c b/src/crypt/crypt_des.c
index dc95dca..d5766a7 100644
--- a/src/crypt/crypt_des.c
+++ b/src/crypt/crypt_des.c
@@ -692,7 +692,7 @@ static uint32_t setup_salt(uint32_t salt)
 	return saltbits;
 }
 
-static void des_setkey(const unsigned char *key, struct expanded_key *ekey)
+void __des_setkey(const unsigned char *key, struct expanded_key *ekey)
 {
 	uint32_t k0, k1, rawkey0, rawkey1;
 	unsigned int shifts, round, i, ibit;
@@ -753,7 +753,7 @@ static void des_setkey(const unsigned char *key, struct expanded_key *ekey)
 /*
  * l_in, r_in, l_out, and r_out are in pseudo-"big-endian" format.
  */
-static void do_des(uint32_t l_in, uint32_t r_in,
+void __do_des(uint32_t l_in, uint32_t r_in,
     uint32_t *l_out, uint32_t *r_out,
     uint32_t count, uint32_t saltbits, const struct expanded_key *ekey)
 {
@@ -862,7 +862,7 @@ static void des_cipher(const unsigned char *in, unsigned char *out,
 	    ((uint32_t)in[5] << 16) |
 	    ((uint32_t)in[4] << 24);
 
-	do_des(rawl, rawr, &l_out, &r_out, count, saltbits, ekey);
+	__do_des(rawl, rawr, &l_out, &r_out, count, saltbits, ekey);
 
 	out[0] = l_out >> 24;
 	out[1] = l_out >> 16;
@@ -894,7 +894,7 @@ static char *_crypt_extended_r_uut(const char *_key, const char *_setting, char
 		if (*key)
 			key++;
 	}
-	des_setkey(keybuf, &ekey);
+	__des_setkey(keybuf, &ekey);
 
 	if (*setting == _PASSWORD_EFMT1) {
 		/*
@@ -929,7 +929,7 @@ static char *_crypt_extended_r_uut(const char *_key, const char *_setting, char
 			q = keybuf;
 			while (q <= &keybuf[sizeof(keybuf) - 1] && *key)
 				*q++ ^= *key++ << 1;
-			des_setkey(keybuf, &ekey);
+			__des_setkey(keybuf, &ekey);
 		}
 
 		memcpy(output, setting, 9);
@@ -957,7 +957,7 @@ static char *_crypt_extended_r_uut(const char *_key, const char *_setting, char
 	/*
 	 * Do it.
 	 */
-	do_des(0, 0, &r0, &r1, count, setup_salt(salt), &ekey);
+	__do_des(0, 0, &r0, &r1, count, setup_salt(salt), &ekey);
 
 	/*
 	 * Now encode the result...
diff --git a/src/crypt/encrypt.c b/src/crypt/encrypt.c
new file mode 100644
index 0000000..9332a6d
--- /dev/null
+++ b/src/crypt/encrypt.c
@@ -0,0 +1,60 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+struct expanded_key {
+        uint32_t l[16], r[16];
+};
+
+void __des_setkey(const unsigned char *key, struct expanded_key *ekey);
+void __do_des(uint32_t l_in, uint32_t r_in,
+    uint32_t *l_out, uint32_t *r_out,
+    uint32_t count, uint32_t saltbits, const struct expanded_key *ekey);
+
+
+static struct expanded_key __encrypt_key;
+
+void setkey(const char *key)
+{
+	unsigned char bkey[8];
+	int i, j;
+
+	for (i = 0; i < 8; i++) {
+		bkey[i] = 0;
+		for (j = 7; j >= 0; j--, key++)
+			bkey[i] |= (uint32_t)(*key & 1) << j;
+	}
+
+	__des_setkey(bkey, &__encrypt_key);
+}
+
+void encrypt(char *block, int edflag)
+{
+	struct expanded_key decrypt_key, *key;
+	uint32_t b[2];
+	int i, j;
+	char *p;
+
+	p = block;
+	for (i = 0; i < 2; i++) {
+		b[i] = 0;
+		for (j = 31; j >= 0; j--, p++)
+			b[i] |= (uint32_t)(*p & 1) << j;
+	}
+
+	key = &__encrypt_key;
+	if (edflag) {
+		key = &decrypt_key;
+		for (i = 0; i < 16; i++) {
+			decrypt_key.l[i] = __encrypt_key.l[15-i];
+			decrypt_key.r[i] = __encrypt_key.r[15-i];
+		}
+	}
+
+	__do_des(b[0], b[1], b, b + 1, 1, 0, key);
+
+	p = block;
+	for (i = 0; i < 2; i++)
+		for (j = 31; j >= 0; j--)
+			*p++ = b[i]>>j & 1;
+}
diff --git a/src/fcntl/fcntl.c b/src/fcntl/fcntl.c
index 4c34ba0..4a713fd 100644
--- a/src/fcntl/fcntl.c
+++ b/src/fcntl/fcntl.c
@@ -13,11 +13,11 @@ int fcntl(int fd, int cmd, ...)
 	arg = va_arg(ap, long);
 	va_end(ap);
 	if (cmd == F_SETFL) arg |= O_LARGEFILE;
-	if (cmd == F_SETLKW) return syscall_cp(SYS_fcntl, fd, cmd, arg);
+	if (cmd == F_SETLKW) return syscall_cp(SYS_fcntl, fd, cmd, (void *)arg);
 	if (cmd == F_GETOWN) {
 		struct f_owner_ex ex;
 		int ret = __syscall(SYS_fcntl, fd, F_GETOWN_EX, &ex);
-		if (ret == -EINVAL) return __syscall(SYS_fcntl, fd, cmd, arg);
+		if (ret == -EINVAL) return __syscall(SYS_fcntl, fd, cmd, (void *)arg);
 		if (ret) return __syscall_ret(ret);
 		return ex.type == F_OWNER_PGRP ? -ex.pid : ex.pid;
 	}
@@ -37,5 +37,14 @@ int fcntl(int fd, int cmd, ...)
 		if (ret >= 0) __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC);
 		return __syscall_ret(ret);
 	}
-	return syscall(SYS_fcntl, fd, cmd, arg);
+	switch (cmd) {
+	case F_SETLK:
+	case F_SETLKW:
+	case F_GETLK:
+	case F_GETOWN_EX:
+	case F_SETOWN_EX:
+		return syscall(SYS_fcntl, fd, cmd, (void *)arg);
+	default:
+		return syscall(SYS_fcntl, fd, cmd, arg);
+	}
 }
diff --git a/src/fcntl/posix_fadvise.c b/src/fcntl/posix_fadvise.c
index 2170209..d5360e0 100644
--- a/src/fcntl/posix_fadvise.c
+++ b/src/fcntl/posix_fadvise.c
@@ -1,8 +1,11 @@
 #include <fcntl.h>
 #include "syscall.h"
+#include "libc.h"
 
 int posix_fadvise(int fd, off_t base, off_t len, int advice)
 {
 	return -(__syscall)(SYS_fadvise, fd, __SYSCALL_LL_O(base),
 		__SYSCALL_LL_E(len), advice);
 }
+
+LFS64(posix_fadvise);
diff --git a/src/fcntl/posix_fallocate.c b/src/fcntl/posix_fallocate.c
index 80a65cb..91d8063 100644
--- a/src/fcntl/posix_fallocate.c
+++ b/src/fcntl/posix_fallocate.c
@@ -1,8 +1,11 @@
 #include <fcntl.h>
 #include "syscall.h"
+#include "libc.h"
 
 int posix_fallocate(int fd, off_t base, off_t len)
 {
 	return -__syscall(SYS_fallocate, fd, 0, __SYSCALL_LL_E(base),
 		__SYSCALL_LL_E(len));
 }
+
+LFS64(posix_fallocate);
diff --git a/src/fenv/i386/fenv.s b/src/fenv/i386/fenv.s
index f6036d6..a189ca2 100644
--- a/src/fenv/i386/fenv.s
+++ b/src/fenv/i386/fenv.s
@@ -126,7 +126,7 @@ fesetenv:
 	push %eax
 	push %eax
 	push %eax
-	push %eax
+	pushl $0xffff
 	push %eax
 	pushl $0x37f
 	fldenv (%esp)
diff --git a/src/fenv/x86_64/fenv.s b/src/fenv/x86_64/fenv.s
index 6aaf25e..b5aeaf4 100644
--- a/src/fenv/x86_64/fenv.s
+++ b/src/fenv/x86_64/fenv.s
@@ -76,7 +76,7 @@ fesetenv:
 	ret
 1:	push %rax
 	push %rax
-	push %rax
+	pushq $0xffff
 	pushq $0x37f
 	fldenv (%rsp)
 	pushq $0x1f80
diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h
index 2083b2f..79be9fd 100644
--- a/src/internal/stdio_impl.h
+++ b/src/internal/stdio_impl.h
@@ -17,6 +17,7 @@
 #define F_EOF 16
 #define F_ERR 32
 #define F_SVB 64
+#define F_APP 128
 
 struct _IO_FILE {
 	unsigned flags;
diff --git a/src/ipc/semctl.c b/src/ipc/semctl.c
index 274e2cf..3d79f50 100644
--- a/src/ipc/semctl.c
+++ b/src/ipc/semctl.c
@@ -3,16 +3,22 @@
 #include "syscall.h"
 #include "ipc.h"
 
+union semun {
+	int val;
+	struct semid_ds *buf;
+	unsigned short *array;
+};
+
 int semctl(int id, int num, int cmd, ...)
 {
-	long arg;
+	union semun arg;
 	va_list ap;
 	va_start(ap, cmd);
-	arg = va_arg(ap, long);
+	arg = va_arg(ap, union semun);
 	va_end(ap);
 #ifdef SYS_semctl
-	return syscall(SYS_semctl, id, num, cmd | IPC_64, arg);
+	return syscall(SYS_semctl, id, num, cmd | IPC_64, arg.buf);
 #else
-	return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg);
+	return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg.buf);
 #endif
 }
diff --git a/src/ldso/dladdr.c b/src/ldso/dladdr.c
index 265bb68..7ca718f 100644
--- a/src/ldso/dladdr.c
+++ b/src/ldso/dladdr.c
@@ -1,9 +1,9 @@
 #define _GNU_SOURCE
 #include <dlfcn.h>
 
-int __dladdr(void *, Dl_info *);
+int __dladdr(const void *, Dl_info *);
 
-int dladdr(void *addr, Dl_info *info)
+int dladdr(const void *addr, Dl_info *info)
 {
 	return __dladdr(addr, info);
 }
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index 27d92f2..a1bdf0f 100644
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -253,7 +253,8 @@ static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stri
 			name = strings + sym->st_name;
 			ctx = IS_COPY(type) ? head->next : head;
 			def = find_sym(ctx, name, IS_PLT(type));
-			if (!def.sym && sym->st_info>>4 != STB_WEAK) {
+			if (!def.sym && (sym->st_shndx != SHN_UNDEF
+			    || sym->st_info>>4 != STB_WEAK)) {
 				snprintf(errbuf, sizeof errbuf,
 					"Error relocating %s: %s: symbol not found",
 					dso->name, name);
@@ -1331,7 +1332,7 @@ failed:
 	return 0;
 }
 
-int __dladdr(void *addr, Dl_info *info)
+int __dladdr(const void *addr, Dl_info *info)
 {
 	struct dso *p;
 	Sym *sym;
@@ -1441,7 +1442,7 @@ void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra)
 {
 	return 0;
 }
-int __dladdr (void *addr, Dl_info *info)
+int __dladdr (const void *addr, Dl_info *info)
 {
 	return 0;
 }
diff --git a/src/linux/clone.c b/src/linux/clone.c
new file mode 100644
index 0000000..b9e5594
--- /dev/null
+++ b/src/linux/clone.c
@@ -0,0 +1,19 @@
+#include <stdarg.h>
+#include <unistd.h>
+#include "pthread_impl.h"
+#include "syscall.h"
+
+int clone(int (*func)(void *), void *stack, int flags, void *arg, ...)
+{
+	va_list ap;
+	pid_t *ptid, *ctid;
+	void  *tls;
+
+	va_start(ap, arg);
+	ptid = va_arg(ap, pid_t *);
+	tls  = va_arg(ap, void *);
+	ctid = va_arg(ap, pid_t *);
+	va_end(ap);
+
+	return __syscall_ret(__clone(func, stack, flags, arg, ptid, tls, ctid));
+}
diff --git a/src/linux/fallocate.c b/src/linux/fallocate.c
index 9146350..ae766d5 100644
--- a/src/linux/fallocate.c
+++ b/src/linux/fallocate.c
@@ -1,9 +1,13 @@
 #define _GNU_SOURCE
 #include <fcntl.h>
 #include "syscall.h"
+#include "libc.h"
 
 int fallocate(int fd, int mode, off_t base, off_t len)
 {
 	return syscall(SYS_fallocate, fd, mode, __SYSCALL_LL_E(base),
 		__SYSCALL_LL_E(len));
 }
+
+#undef fallocate64
+LFS64(fallocate);
diff --git a/src/linux/inotify.c b/src/linux/inotify.c
index d3b4fa0..a417c89 100644
--- a/src/linux/inotify.c
+++ b/src/linux/inotify.c
@@ -15,7 +15,7 @@ int inotify_add_watch(int fd, const char *pathname, uint32_t mask)
 	return syscall(SYS_inotify_add_watch, fd, pathname, mask);
 }
 
-int inotify_rm_watch(int fd, uint32_t wd)
+int inotify_rm_watch(int fd, int wd)
 {
 	return syscall(SYS_inotify_rm_watch, fd, wd);
 }
diff --git a/src/linux/remap_file_pages.c b/src/linux/remap_file_pages.c
index f95c4cc..a9699ce 100644
--- a/src/linux/remap_file_pages.c
+++ b/src/linux/remap_file_pages.c
@@ -2,7 +2,7 @@
 #include <sys/mman.h>
 #include "syscall.h"
 
-int remap_file_pages(void *addr, size_t size, int prot, ssize_t pgoff, int flags)
+int remap_file_pages(void *addr, size_t size, int prot, size_t pgoff, int flags)
 {
 	return syscall(SYS_remap_file_pages, addr, size, prot, pgoff, flags);
 }
diff --git a/src/linux/stime.c b/src/linux/stime.c
index 29a1ec6..7d0443b 100644
--- a/src/linux/stime.c
+++ b/src/linux/stime.c
@@ -2,7 +2,7 @@
 #include <time.h>
 #include <sys/time.h>
 
-int stime(time_t *t)
+int stime(const time_t *t)
 {
 	struct timeval tv = { .tv_sec = *t, .tv_usec = 0 };
 	return settimeofday(&tv, (void *)0);
diff --git a/src/locale/wcsxfrm.c b/src/locale/wcsxfrm.c
index cb79c97..5d89e7d 100644
--- a/src/locale/wcsxfrm.c
+++ b/src/locale/wcsxfrm.c
@@ -6,10 +6,12 @@
 size_t __wcsxfrm_l(wchar_t *restrict dest, const wchar_t *restrict src, size_t n, locale_t loc)
 {
 	size_t l = wcslen(src);
-	if (l >= n) {
+	if (l < n) {
+		wmemcpy(dest, src, l+1);
+	} else if (n) {
 		wmemcpy(dest, src, n-1);
 		dest[n-1] = 0;
-	} else wcscpy(dest, src);
+	}
 	return l;
 }
 
diff --git a/src/math/i386/remainder.s b/src/math/i386/remainder.s
index 47ee340..7f4be05 100644
--- a/src/math/i386/remainder.s
+++ b/src/math/i386/remainder.s
@@ -1,6 +1,9 @@
 .global remainder
 .type remainder,@function
 remainder:
+.weak drem
+.type drem,@function
+drem:
 	fldl 12(%esp)
 	fldl 4(%esp)
 1:	fprem1
diff --git a/src/math/i386/remainderf.s b/src/math/i386/remainderf.s
index 5b5fc23..ac6e367 100644
--- a/src/math/i386/remainderf.s
+++ b/src/math/i386/remainderf.s
@@ -1,6 +1,9 @@
 .global remainderf
 .type remainderf,@function
 remainderf:
+.weak dremf
+.type dremf,@function
+dremf:
 	flds 8(%esp)
 	flds 4(%esp)
 1:	fprem1
diff --git a/src/misc/nftw.c b/src/misc/nftw.c
index b2e84bc..efb2b89 100644
--- a/src/misc/nftw.c
+++ b/src/misc/nftw.c
@@ -46,8 +46,7 @@ static int do_nftw(char *path, int (*fn)(const char *, const struct stat *, int,
 		type = FTW_F;
 	}
 
-	if ((flags & FTW_MOUNT) && h
-	 && (st.st_dev != h->dev || st.st_ino != h->ino))
+	if ((flags & FTW_MOUNT) && h && st.st_dev != h->dev)
 		return 0;
 	
 	new.chain = h;
diff --git a/src/network/inet_legacy.c b/src/network/inet_legacy.c
index 0a0ad6f..de5b75c 100644
--- a/src/network/inet_legacy.c
+++ b/src/network/inet_legacy.c
@@ -16,9 +16,8 @@ int inet_aton(const char *cp, struct in_addr *inp)
 	return 1;
 }
 
-struct in_addr inet_makeaddr(int net, int host)
+struct in_addr inet_makeaddr(in_addr_t n, in_addr_t h)
 {
-	uint32_t n = net, h = host;
 	if (n < 256) h |= n<<24;
 	else if (n < 65536) h |= n<<16;
 	else h |= n<<8;
diff --git a/src/network/proto.c b/src/network/proto.c
index 031003a..3d0f584 100644
--- a/src/network/proto.c
+++ b/src/network/proto.c
@@ -4,7 +4,7 @@
 /* do we really need all these?? */
 
 static int idx;
-static const unsigned char protos[][6] = {
+static const unsigned char protos[][8] = {
 	"\000ip",
 	"\001icmp",
 	"\002igmp",
@@ -13,7 +13,9 @@ static const unsigned char protos[][6] = {
 	"\014pup",
 	"\021udp",
 	"\026idp",
-	"\377raw"
+	"\051ipv6",
+	"\072icmpv6",
+	"\377raw",
 	"\0\0"
 };
 
diff --git a/src/prng/random.c b/src/prng/random.c
index 4ad6205..e250e28 100644
--- a/src/prng/random.c
+++ b/src/prng/random.c
@@ -1,10 +1,3 @@
-/*
- * random.c - Copyright © 2011 Szabolcs Nagy
- * Permission to use, copy, modify, and/or distribute this code
- * for any purpose with or without fee is hereby granted.
- * There is no warranty.
-*/
-
 #include <stdlib.h>
 #include <stdint.h>
 #include "libc.h"
@@ -12,11 +5,7 @@
 /*
 this code uses the same lagged fibonacci generator as the
 original bsd random implementation except for the seeding
-
-different seeds produce different sequences with long period
-(other libcs seed the state with a park-miller generator
-when seed=0 some fail to produce good random sequence
-others produce the same sequence as another seed)
+which was broken in the original
 */
 
 static uint32_t init[] = {
@@ -98,6 +87,7 @@ char *initstate(unsigned seed, char *state, size_t size) {
 		n = 63;
 	x = (uint32_t*)state + 1;
 	__srandom(seed);
+	savestate();
 	UNLOCK(lock);
 	return old;
 }
diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c
index eb98f9f..f675a13 100644
--- a/src/process/posix_spawn.c
+++ b/src/process/posix_spawn.c
@@ -166,7 +166,7 @@ int __posix_spawnx(pid_t *restrict res, const char *restrict path,
 
 	close(args.p[0]);
 
-	if (!ec) *res = pid;
+	if (!ec && res) *res = pid;
 
 	pthread_sigmask(SIG_SETMASK, &args.oldmask, 0);
 	pthread_setcancelstate(cs, 0);
diff --git a/src/signal/sigandset.c b/src/signal/sigandset.c
index e0c6f48..974186f 100644
--- a/src/signal/sigandset.c
+++ b/src/signal/sigandset.c
@@ -3,7 +3,7 @@
 
 #define SST_SIZE (_NSIG/8/sizeof(long))
 
-int sigandset(sigset_t *dest, sigset_t *left, sigset_t *right)
+int sigandset(sigset_t *dest, const sigset_t *left, const sigset_t *right)
 {
 	unsigned long i = 0, *d = (void*) dest, *l = (void*) left, *r = (void*) right;
 	for(; i < SST_SIZE; i++) d[i] = l[i] & r[i];
diff --git a/src/signal/sigorset.c b/src/signal/sigorset.c
index df1b1b1..ed48873 100644
--- a/src/signal/sigorset.c
+++ b/src/signal/sigorset.c
@@ -3,7 +3,7 @@
 
 #define SST_SIZE (_NSIG/8/sizeof(long))
 
-int sigorset(sigset_t *dest, sigset_t *left, sigset_t *right)
+int sigorset(sigset_t *dest, const sigset_t *left, const sigset_t *right)
 {
 	unsigned long i = 0, *d = (void*) dest, *l = (void*) left, *r = (void*) right;
 	for(; i < SST_SIZE; i++) d[i] = l[i] | r[i];
diff --git a/src/stdio/__fdopen.c b/src/stdio/__fdopen.c
index 59690f6..a6ae73a 100644
--- a/src/stdio/__fdopen.c
+++ b/src/stdio/__fdopen.c
@@ -32,7 +32,9 @@ FILE *__fdopen(int fd, const char *mode)
 	/* Set append mode on fd if opened for append */
 	if (*mode == 'a') {
 		int flags = __syscall(SYS_fcntl, fd, F_GETFL);
-		__syscall(SYS_fcntl, fd, F_SETFL, flags | O_APPEND);
+		if (!(flags & O_APPEND))
+			__syscall(SYS_fcntl, fd, F_SETFL, flags | O_APPEND);
+		f->flags |= F_APP;
 	}
 
 	f->fd = fd;
diff --git a/src/stdio/ftell.c b/src/stdio/ftell.c
index 82371e3..bb62897 100644
--- a/src/stdio/ftell.c
+++ b/src/stdio/ftell.c
@@ -4,7 +4,9 @@
 
 off_t __ftello_unlocked(FILE *f)
 {
-	off_t pos = f->seek(f, 0, SEEK_CUR);
+	off_t pos = f->seek(f, 0,
+		(f->flags & F_APP) && f->wpos > f->wbase
+		? SEEK_END : SEEK_CUR);
 	if (pos < 0) return pos;
 
 	/* Adjust for data in buffer. */
diff --git a/src/stdio/vfscanf.c b/src/stdio/vfscanf.c
index 0091a8d..d4d2454 100644
--- a/src/stdio/vfscanf.c
+++ b/src/stdio/vfscanf.c
@@ -328,3 +328,5 @@ match_fail:
 	FUNLOCK(f);
 	return matches;
 }
+
+weak_alias(vfscanf,__isoc99_vfscanf);
diff --git a/src/thread/__wait.c b/src/thread/__wait.c
index 041a066..a1e4780 100644
--- a/src/thread/__wait.c
+++ b/src/thread/__wait.c
@@ -10,6 +10,6 @@ void __wait(volatile int *addr, volatile int *waiters, int val, int priv)
 	}
 	if (waiters) a_inc(waiters);
 	while (*addr==val)
-		__syscall(SYS_futex, (long)addr, FUTEX_WAIT|priv, val, 0);
+		__syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0);
 	if (waiters) a_dec(waiters);
 }
diff --git a/src/thread/arm/clone.s b/src/thread/arm/clone.s
index daf8f55..d146999 100644
--- a/src/thread/arm/clone.s
+++ b/src/thread/arm/clone.s
@@ -1,10 +1,7 @@
 .text
 .global __clone
-.weak clone
 .type   __clone,%function
-.type   clone,%function
 __clone:
-clone:
 	stmfd sp!,{r4,r5,r6,r7}
 	mov r7,#120
 	mov r6,r3
diff --git a/src/thread/clone.c b/src/thread/clone.c
index 339e28a..be80c8e 100644
--- a/src/thread/clone.c
+++ b/src/thread/clone.c
@@ -1,10 +1,7 @@
 #include <errno.h>
-#include "libc.h"
+#include "pthread_impl.h"
 
 int __clone(int (*func)(void *), void *stack, int flags, void *arg, ...)
 {
-	errno = ENOSYS;
-	return -1;
+	return -ENOSYS;
 }
-
-weak_alias(__clone, clone);
diff --git a/src/thread/i386/clone.s b/src/thread/i386/clone.s
index bebf01a..52fe7ef 100644
--- a/src/thread/i386/clone.s
+++ b/src/thread/i386/clone.s
@@ -1,10 +1,7 @@
 .text
 .global __clone
-.weak clone
 .type   __clone,@function
-.type   clone,@function
 __clone:
-clone:
 	push %ebp
 	mov %esp,%ebp
 	push %ebx
diff --git a/src/thread/microblaze/clone.s b/src/thread/microblaze/clone.s
index 030a9c3..13448a3 100644
--- a/src/thread/microblaze/clone.s
+++ b/src/thread/microblaze/clone.s
@@ -1,14 +1,11 @@
 .global __clone
-.weak clone
 .type   __clone,@function
-.type   clone,@function
 
 # r5, r6, r7, r8, r9, r10, stack
 # fn, st, fl, ar, pt, tl, ct
 # fl, st, __, pt, ct, tl
 
 __clone:
-clone:
 	andi    r6, r6, -16
 	addi    r6, r6, -16
 	swi     r5, r6, 0
@@ -23,7 +20,7 @@ clone:
 	beqi	r3, 1f
 	rtsd    r15, 8
 	nop
-	
+
 1:	lwi     r3, r1, 0
 	lwi     r5, r1, 4
 	brald   r15, r3
diff --git a/src/thread/x86_64/clone.s b/src/thread/x86_64/clone.s
index 4db081c..ee59903 100644
--- a/src/thread/x86_64/clone.s
+++ b/src/thread/x86_64/clone.s
@@ -1,10 +1,7 @@
 .text
 .global __clone
-.weak clone
 .type   __clone,@function
-.type   clone,@function
 __clone:
-clone:
 	xor %eax,%eax
 	mov $56,%al
 	mov %rdi,%r11
diff --git a/src/time/timer_delete.c b/src/time/timer_delete.c
index c81f921..7c97eeb 100644
--- a/src/time/timer_delete.c
+++ b/src/time/timer_delete.c
@@ -10,5 +10,5 @@ int timer_delete(timer_t t)
 		__wake(&td->timer_id, 1, 1);
 		return 0;
 	}
-	return __syscall(SYS_timer_delete, (long)t);
+	return __syscall(SYS_timer_delete, t);
 }
diff --git a/src/time/timer_getoverrun.c b/src/time/timer_getoverrun.c
index 5336128..e7f891e 100644
--- a/src/time/timer_getoverrun.c
+++ b/src/time/timer_getoverrun.c
@@ -8,5 +8,5 @@ int timer_getoverrun(timer_t t)
 		pthread_t td = (void *)((uintptr_t)t << 1);
 		t = (void *)(uintptr_t)(td->timer_id & INT_MAX);
 	}
-	return syscall(SYS_timer_getoverrun, (long)t);
+	return syscall(SYS_timer_getoverrun, t);
 }
diff --git a/src/time/timer_gettime.c b/src/time/timer_gettime.c
index 1d90207..ed6d8d6 100644
--- a/src/time/timer_gettime.c
+++ b/src/time/timer_gettime.c
@@ -8,5 +8,5 @@ int timer_gettime(timer_t t, struct itimerspec *val)
 		pthread_t td = (void *)((uintptr_t)t << 1);
 		t = (void *)(uintptr_t)(td->timer_id & INT_MAX);
 	}
-	return syscall(SYS_timer_gettime, (long)t, val);
+	return syscall(SYS_timer_gettime, t, val);
 }
diff --git a/src/time/timer_settime.c b/src/time/timer_settime.c
index f5f36fe..62631aa 100644
--- a/src/time/timer_settime.c
+++ b/src/time/timer_settime.c
@@ -8,5 +8,5 @@ int timer_settime(timer_t t, int flags, const struct itimerspec *restrict val, s
 		pthread_t td = (void *)((uintptr_t)t << 1);
 		t = (void *)(uintptr_t)(td->timer_id & INT_MAX);
 	}
-	return syscall(SYS_timer_settime, (long)t, flags, val, old);
+	return syscall(SYS_timer_settime, t, flags, val, old);
 }
diff --git a/tools/install.sh b/tools/install.sh
index 4e5a8b9..d913b60 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -51,6 +51,7 @@ if test "$symlink" ; then
 ln -s "$1" "$tmp"
 else
 cat < "$1" > "$tmp"
+chmod "$mode" "$tmp"
 fi
 
 mv -f "$tmp" "$2"
@@ -60,6 +61,4 @@ printf "%s: %s is a directory\n" "$0" "$dst" 1>&2
 exit 1
 }
 
-test "$symlink" || chmod "$mode" "$2"
-
 exit 0