diff --git a/arch/x86_64/bits/signal.h b/arch/x86_64/bits/signal.h
index b4220fe2..71b656b5 100644
--- a/arch/x86_64/bits/signal.h
+++ b/arch/x86_64/bits/signal.h
@@ -20,7 +20,7 @@
 #define REG_RSP         15
 #define REG_RIP         16
 #define REG_EFL         17
-#define REG_CSGFS       18
+#define REG_CSGSFS      18
 #define REG_ERR         19
 #define REG_TRAPNO      20
 #define REG_OLDMASK     21
diff --git a/include/arpa/inet.h b/include/arpa/inet.h
index 92938403..fdc501aa 100644
--- a/include/arpa/inet.h
+++ b/include/arpa/inet.h
@@ -24,6 +24,7 @@ uint32_t ntohl(uint32_t);
 uint16_t ntohs(uint16_t);
 
 in_addr_t inet_addr (const char *);
+in_addr_t inet_network (const char *);
 char *inet_ntoa (struct in_addr);
 int inet_pton (int, const char *__restrict, void *__restrict);
 const char *inet_ntop (int, const void *__restrict, char *__restrict, socklen_t);
diff --git a/include/link.h b/include/link.h
index d5160e7e..c30431e9 100644
--- a/include/link.h
+++ b/include/link.h
@@ -3,6 +3,7 @@
 
 #include <elf.h>
 #define __NEED_size_t
+#define __NEED_uint32_t
 #include <bits/alltypes.h>
 
 #if UINTPTR_MAX > 0xffffffff
@@ -11,6 +12,9 @@
 #define ElfW(type) Elf32_ ## type
 #endif
 
+/* this is the same everywhere except alpha and s390 */
+typedef uint32_t Elf_Symndx;
+
 struct dl_phdr_info {
 	ElfW(Addr) dlpi_addr;
 	const char *dlpi_name;
@@ -22,6 +26,21 @@ struct dl_phdr_info {
 	void *dlpi_tls_data;
 };
 
+struct link_map {
+	ElfW(Addr) l_addr;
+	char *l_name;
+	ElfW(Dyn) *l_ld;
+	struct link_map *l_next, *l_prev;
+};
+
+struct r_debug {
+	int r_version;
+	struct link_map *r_map;
+	ElfW(Addr) r_brk;
+	enum { RT_CONSISTENT, RT_ADD, RT_DELETE } r_state;
+	ElfW(Addr) r_ldbase;
+};
+
 int dl_iterate_phdr(int (*)(struct dl_phdr_info *, size_t, void *), void *);
 
 #endif
diff --git a/include/sys/socket.h b/include/sys/socket.h
index f1489186..19b2aa55 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -150,6 +150,8 @@ struct linger
 #define SO_SNDLOWAT     19
 #define SO_RCVTIMEO     20
 #define SO_SNDTIMEO     21
+#define SO_SNDBUFFORCE  32
+#define SO_RCVBUFFORCE  33
 #endif
 
 
diff --git a/src/network/inet_network.c b/src/network/inet_network.c
new file mode 100644
index 00000000..ae60d7f6
--- /dev/null
+++ b/src/network/inet_network.c
@@ -0,0 +1,11 @@
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include "__dns.h"
+
+in_addr_t inet_network(const char *p)
+{
+        struct sockaddr_in sin;
+        if (__ipparse(&sin, AF_INET, p)) return -1;
+        return ntohl(sin.sin_addr.s_addr);
+}