[NaCl SDK] nacl_io: add getnameinfo scaffolding

native_client_sdk/src/libraries/nacl_io/kernel_intercept.h

Index: native_client_sdk/src/libraries/nacl_io/kernel_intercept.h
diff --git a/native_client_sdk/src/libraries/nacl_io/kernel_intercept.h b/native_client_sdk/src/libraries/nacl_io/kernel_intercept.h
index ff57b8886d29f87c8395546dd338f97260037907..a9ad2909d338526d46bb5311a3f3b94f79307fca 100644
--- a/native_client_sdk/src/libraries/nacl_io/kernel_intercept.h
+++ b/native_client_sdk/src/libraries/nacl_io/kernel_intercept.h
@@ -154,6 +154,13 @@ int ki_getaddrinfo(const char* node,
                    const struct addrinfo* hints,
                    struct addrinfo** res);
 struct hostent* ki_gethostbyname(const char* name);
+int ki_getnameinfo(const struct sockaddr *sa,
+                   socklen_t salen,
+                   char *host,
+                   size_t hostlen,
+                   char *serv,
+                   size_t servlen,
+                   unsigned int flags);
 int ki_getpeername(int fd, struct sockaddr* addr, socklen_t* len);
 int ki_getsockname(int fd, struct sockaddr* addr, socklen_t* len);
 int ki_getsockopt(int fd, int lvl, int optname, void* optval, socklen_t* len);