[NaCl SDK] nacl_io: add getnameinfo scaffolding

native_client_sdk/src/libraries/nacl_io/kernel_proxy.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef LIBRARIES_NACL_IO_KERNEL_PROXY_H_
 #define LIBRARIES_NACL_IO_KERNEL_PROXY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 159 matching lines @@
   // Socket support functions
   virtual int accept(int fd, struct sockaddr* addr, socklen_t* len);
   virtual int bind(int fd, const struct sockaddr* addr, socklen_t len);
   virtual int connect(int fd, const struct sockaddr* addr, socklen_t len);
   virtual struct hostent* gethostbyname(const char* name);
   virtual void freeaddrinfo(struct addrinfo* res);
   virtual int getaddrinfo(const char* node,
                           const char* service,
                           const struct addrinfo* hints,
                           struct addrinfo** res);
+  virtual int getnameinfo(const struct sockaddr *sa,
+                          socklen_t salen,
+                          char *host,
+                          size_t hostlen,
+                          char *serv,
+                          size_t servlen,
+                          int flags);
   virtual int getpeername(int fd, struct sockaddr* addr, socklen_t* len);
   virtual int getsockname(int fd, struct sockaddr* addr, socklen_t* len);
   virtual int getsockopt(int fd,
                          int lvl,
                          int optname,
                          void* optval,
                          socklen_t* len);
   virtual int listen(int fd, int backlog);
   virtual ssize_t recv(int fd, void* buf, size_t len, int flags);
   virtual ssize_t recvfrom(int fd,
@@ skipping 52 matching lines @@
   virtual int AcquireSocketHandle(int fd, ScopedKernelHandle* handle);
 #endif
 
   ScopedEventEmitter signal_emitter_;
   DISALLOW_COPY_AND_ASSIGN(KernelProxy);
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_KERNEL_PROXY_H_