diff --git a/libc/include/arpa/inet.h b/libc/include/arpa/inet.h
index b008812..067be1f 100644
--- a/libc/include/arpa/inet.h
+++ b/libc/include/arpa/inet.h
@@ -36,19 +36,18 @@
 
 typedef uint32_t in_addr_t;
 
-extern uint32_t      inet_addr(const char *);
-
-extern int           inet_aton(const char *, struct in_addr *);
-extern char*         inet_ntoa(struct in_addr);
-
-extern int           inet_pton(int, const char *, void *);
-extern const char*   inet_ntop(int, const void *, char *, socklen_t);
-
-extern unsigned int  inet_nsap_addr(const char *, unsigned char *, int);
-extern char*         inet_nsap_ntoa(int, const unsigned char *, char *);
+in_addr_t inet_addr(const char*);
+int inet_aton(const char*, struct in_addr*);
+in_addr_t inet_lnaof(struct in_addr);
+struct in_addr inet_makeaddr(in_addr_t, in_addr_t);
+in_addr_t inet_netof(struct in_addr);
+in_addr_t inet_network(const char*);
+char* inet_ntoa(struct in_addr);
+const char* inet_ntop(int, const void*, char*, socklen_t);
+unsigned int inet_nsap_addr(const char*, unsigned char*, int);
+char* inet_nsap_ntoa(int, const unsigned char*, char*);
+int inet_pton(int, const char*, void*);
 
 __END_DECLS
 
 #endif /* _ARPA_INET_H_ */
-
-
diff --git a/libc/include/sys/endian.h b/libc/include/sys/endian.h
index cbde121..1186540 100644
--- a/libc/include/sys/endian.h
+++ b/libc/include/sys/endian.h
@@ -186,14 +186,22 @@
 #define letoh64(x) (x)
 #endif /* __BSD_VISIBLE */
 
-#define htons(x) __swap16(x)
+/* glibc compatibility. */
+__BEGIN_DECLS
+uint32_t htonl(uint32_t) __pure2;
+uint16_t htons(uint16_t) __pure2;
+uint32_t ntohl(uint32_t) __pure2;
+uint16_t ntohs(uint16_t) __pure2;
+__END_DECLS
+
 #define htonl(x) __swap32(x)
-#define ntohs(x) __swap16(x)
+#define htons(x) __swap16(x)
 #define ntohl(x) __swap32(x)
+#define ntohs(x) __swap16(x)
 
 /* Bionic additions */
-#define ntohq(x) __swap64(x)
 #define htonq(x) __swap64(x)
+#define ntohq(x) __swap64(x)
 
 #define __LITTLE_ENDIAN_BITFIELD