--- /usr/include/netinet/in.h	2016-05-26 10:27:23.000000000 +0000
+++ build-sparse/include/netinet/in.h	2017-03-15 21:50:20.436860311 +0000
@@ -22,12 +22,12 @@
 #include <stdint.h>
 #include <sys/socket.h>
 #include <bits/types.h>
-
+#include <linux/types.h>
 
 __BEGIN_DECLS
 
 /* Internet address.  */
-typedef uint32_t in_addr_t;
+typedef __be32 in_addr_t;
 struct in_addr
   {
     in_addr_t s_addr;
@@ -114,7 +114,7 @@
 #endif /* !__USE_KERNEL_IPV6_DEFS */
 
 /* Type to represent a port.  */
-typedef uint16_t in_port_t;
+typedef __be16 in_port_t;
 
 /* Standard well-known ports.  */
 enum
@@ -173,36 +173,36 @@
 #define	IN_CLASSB_HOST		(0xffffffff & ~IN_CLASSB_NET)
 #define	IN_CLASSB_MAX		65536
 
-#define	IN_CLASSC(a)		((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000)
+#define	IN_CLASSC(a)		((((uint32_t)(a)) & 0xe0000000) == 0xc0000000)
 #define	IN_CLASSC_NET		0xffffff00
 #define	IN_CLASSC_NSHIFT	8
 #define	IN_CLASSC_HOST		(0xffffffff & ~IN_CLASSC_NET)
 
-#define	IN_CLASSD(a)		((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000)
+#define	IN_CLASSD(a)		((((uint32_t)(a)) & 0xf0000000) == 0xe0000000)
 #define	IN_MULTICAST(a)		IN_CLASSD(a)
 
-#define	IN_EXPERIMENTAL(a)	((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000)
-#define	IN_BADCLASS(a)		((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000)
+#define	IN_EXPERIMENTAL(a)	((((uint32_t)(a)) & 0xe0000000) == 0xe0000000)
+#define	IN_BADCLASS(a)		((((uint32_t)(a)) & 0xf0000000) == 0xf0000000)
 
 /* Address to accept any incoming messages.  */
-#define	INADDR_ANY		((in_addr_t) 0x00000000)
+#define	INADDR_ANY		((uint32_t) 0x00000000)
 /* Address to send to all hosts.  */
-#define	INADDR_BROADCAST	((in_addr_t) 0xffffffff)
+#define	INADDR_BROADCAST	((uint32_t) 0xffffffff)
 /* Address indicating an error return.  */
-#define	INADDR_NONE		((in_addr_t) 0xffffffff)
+#define	INADDR_NONE		((uint32_t) 0xffffffff)
 
 /* Network number for local host loopback.  */
 #define	IN_LOOPBACKNET		127
 /* Address to loopback in software to local host.  */
 #ifndef INADDR_LOOPBACK
-# define INADDR_LOOPBACK	((in_addr_t) 0x7f000001) /* Inet 127.0.0.1.  */
+# define INADDR_LOOPBACK	((uint32_t) 0x7f000001) /* Inet 127.0.0.1.  */
 #endif
 
 /* Defines for Multicast INADDR.  */
-#define INADDR_UNSPEC_GROUP	((in_addr_t) 0xe0000000) /* 224.0.0.0 */
-#define INADDR_ALLHOSTS_GROUP	((in_addr_t) 0xe0000001) /* 224.0.0.1 */
-#define INADDR_ALLRTRS_GROUP    ((in_addr_t) 0xe0000002) /* 224.0.0.2 */
-#define INADDR_MAX_LOCAL_GROUP  ((in_addr_t) 0xe00000ff) /* 224.0.0.255 */
+#define INADDR_UNSPEC_GROUP	((uint32_t) 0xe0000000) /* 224.0.0.0 */
+#define INADDR_ALLHOSTS_GROUP	((uint32_t) 0xe0000001) /* 224.0.0.1 */
+#define INADDR_ALLRTRS_GROUP    ((uint32_t) 0xe0000002) /* 224.0.0.2 */
+#define INADDR_MAX_LOCAL_GROUP  ((uint32_t) 0xe00000ff) /* 224.0.0.255 */
 
 #ifndef __USE_KERNEL_IPV6_DEFS
 /* IPv6 address */
@@ -212,8 +212,8 @@
       {
 	uint8_t	__u6_addr8[16];
 #if defined __USE_MISC || defined __USE_GNU
-	uint16_t __u6_addr16[8];
-	uint32_t __u6_addr32[4];
+	__be16 __u6_addr16[8];
+	__be32 __u6_addr32[4];
 #endif
       } __in6_u;
 #define s6_addr			__in6_u.__u6_addr8
@@ -253,7 +253,7 @@
   {
     __SOCKADDR_COMMON (sin6_);
     in_port_t sin6_port;	/* Transport layer port # */
-    uint32_t sin6_flowinfo;	/* IPv6 flow information */
+    __be32 sin6_flowinfo;	/* IPv6 flow information */
     struct in6_addr sin6_addr;	/* IPv6 address */
     uint32_t sin6_scope_id;	/* IPv6 scope-id */
   };
@@ -371,12 +371,12 @@
    this was a short-sighted decision since on different systems the types
    may have different representations but the values are always the same.  */
 
-extern uint32_t ntohl (uint32_t __netlong) __THROW __attribute__ ((__const__));
-extern uint16_t ntohs (uint16_t __netshort)
+extern uint32_t ntohl (__be32 __netlong) __THROW __attribute__ ((__const__));
+extern uint16_t ntohs (__be16 __netshort)
      __THROW __attribute__ ((__const__));
-extern uint32_t htonl (uint32_t __hostlong)
+extern __be32 htonl (uint32_t __hostlong)
      __THROW __attribute__ ((__const__));
-extern uint16_t htons (uint16_t __hostshort)
+extern __be16 htons (uint16_t __hostshort)
      __THROW __attribute__ ((__const__));
 
 #include <endian.h>
@@ -384,7 +384,7 @@
 /* Get machine dependent optimized versions of byte swapping functions.  */
 #include <bits/byteswap.h>
 
-#ifdef __OPTIMIZE__
+#ifdef __disabled_OPTIMIZE__
 /* We can optimize calls to the conversion functions.  Either nothing has
    to be done or we are using directly the byte-swapping functions which
    often can be inlined.  */