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				// C-inclient.cpp,v 4.9 2003/11/01 11:15:23 dhinton Exp
				
				#include "ace/OS_main.h"
				#include "ace/OS_NS_string.h"
				#include "ace/OS_NS_sys_socket.h"
				#include "ace/OS_NS_unistd.h"
				#include "ace/OS_NS_stdlib.h"
				#include "ace/OS_NS_stdio.h"
				#include "ace/OS_NS_netdb.h"
				#include "ace/Default_Constants.h"
				
				ACE_RCSID(SOCK_SAP, C_inclient, "C-inclient.cpp,v 4.9 2003/11/01 11:15:23 dhinton Exp")
				
				/* BSD socket client */
				
				int
				ACE_TMAIN (int argc, ACE_TCHAR *argv[])
				{
				  // Initialize WinSock DLL on Win32...
				  ACE_OS::socket_init (ACE_WSOCK_VERSION);
				
				  struct sockaddr_in saddr;
				  struct hostent *hp;
				  const ACE_TCHAR *host = argc > 1 ? argv[1] : ACE_DEFAULT_SERVER_HOST;
				  u_short port_num =
				    htons (argc > 2 ? ACE_OS::atoi (argv[2]) : ACE_DEFAULT_SERVER_PORT);
				  int sockbufsize = argc > 3 ? ACE_OS::atoi (argv[3]) : 0;
				  char buf[BUFSIZ];
				  ACE_HANDLE s_handle;
				  int w_bytes;
				  int r_bytes;
				  int n;
				
				  // Create a local endpoint of communication.
				  if ((s_handle = ACE_OS::socket (PF_INET, SOCK_STREAM, 0)) == ACE_INVALID_HANDLE)
				    ACE_OS::perror (ACE_TEXT("socket")), ACE_OS::exit (1);
				
				  // If a sockbufsize was specified, set it for both send and receive.
				  if (sockbufsize > 0)
				    {
				      if (ACE_OS::setsockopt (s_handle, SOL_SOCKET, SO_SNDBUF,
				                              (const char *) &sockbufsize,
				                              sizeof (sockbufsize)) != 0)
				        ACE_OS::perror (ACE_TEXT("SO_SNDBUF")), ACE_OS::exit (1);
				      if (ACE_OS::setsockopt (s_handle, SOL_SOCKET, SO_RCVBUF,
				                              (const char *) &sockbufsize,
				                              sizeof (sockbufsize)) != 0)
				        ACE_OS::perror (ACE_TEXT("SO_RCVBUF")), ACE_OS::exit (1);
				    }
				
				  // Determine IP address of the server.
				  if ((hp = ACE_OS::gethostbyname (ACE_TEXT_ALWAYS_CHAR(host))) == 0)
				    ACE_OS::perror (ACE_TEXT("gethostbyname")), ACE_OS::exit (1);
				
				  // Set up the address information to contact the server.
				  ACE_OS::memset ((void *) &saddr, 0, sizeof saddr);
				  saddr.sin_family = AF_INET;
				  saddr.sin_port = port_num;
				  ACE_OS::memcpy (&saddr.sin_addr, hp->h_addr, hp->h_length);
				
				  // Establish connection with remote server.
				  if (ACE_OS::connect (s_handle,
						       ACE_reinterpret_cast(sockaddr *, &saddr),
				                       sizeof saddr) == -1)
				    ACE_OS::perror (ACE_TEXT("connect")), ACE_OS::exit (1);
				
				  // Send data to server (correctly handles "incomplete writes" due to
				  // flow control).
				
				  while ((r_bytes = ACE_OS::read (ACE_STDIN, buf, sizeof buf)) > 0)
				    for (w_bytes = 0; w_bytes < r_bytes; w_bytes += n)
				      if ((n = ACE_OS::send (s_handle, buf + w_bytes,
				                      r_bytes - w_bytes)) < 0)
				        ACE_OS::perror (ACE_TEXT("write")), ACE_OS::exit (1);
				
				  if (ACE_OS::recv (s_handle, buf, 1) == 1)
				    ACE_OS::write (ACE_STDOUT, buf, 1);
				
				  // Explicitly close the connection.
				  if (ACE_OS::closesocket (s_handle) == -1)
				    ACE_OS::perror (ACE_TEXT("close")), ACE_OS::exit (1);
				
				  return 0;
				}