Merged from DEVEL.

src/include/ipv4/lwip/inet.h

@@ -67,6 +67,13 @@ u8_t *inet_ntoa(u32_t addr); /* returns ptr to static buffer; not reentrant! */
 #define htonl(x) (x)
 #define ntohl(x) (x)
 #else
+#ifdef LWIP_PREFIX_BYTEORDER_FUNCS
+/* workaround for naming collisions on some platforms */
+#define htons lwip_htons
+#define ntohs lwip_ntohs
+#define htonl lwip_htonl
+#define ntohl lwip_ntohl
+#endif
 u16_t htons(u16_t x);
 u16_t ntohs(u16_t x);
 u32_t htonl(u32_t x);

src/include/lwip/memp.h

@@ -58,8 +58,5 @@ void *memp_malloc(memp_t type);
 void *memp_realloc(memp_t fromtype, memp_t totype, void *mem);
 void memp_free(memp_t type, void *mem);
 
-void *memp_mallocp(memp_t type);
-void memp_freep(memp_t type, void *mem);
-
 #endif /* __LWIP_MEMP_H__  */
     

src/include/lwip/udp.h

@@ -38,8 +38,6 @@
 #include "lwip/inet.h"
 #include "lwip/ip.h"
 
-#include "lwip/err.h"
-
 #define UDP_HLEN 8
 
 struct udp_hdr {