os_socket.h

linux下的多个网络通讯的例子 可多参考下

#ifndef __OS_SOCKET_H__
#define __OS_SOCKET_H__

#ifdef WIN32 /* Windows 定义*/
	#include <winsock.h>
	
	#define PRINTERROR(s)	\
		fprintf(stderr,"\n%: %d\n", s, WSAGetLastError())
		
	#define OS_SOCKET_INIT() do{\
		WSADATA wsaData;\
		WORD wVersionRequested = MAKEWORD(1,1);\
		int nRet;\
		nRet = WSAStartup(wVersionRequested, &wsaData);\
		if (wsaData.wVersion != wVersionRequested)\
		{	\
			fprintf(stderr,"\n Wrong version\n");\
			return -1;\
		}\
	}while(0)	
	
	#define OS_SOCKET_CLEAR() WSACleanup()
	
	#define OS_SOCKET_CLOSE(s) closesocket(s)

#else /* Linux 定义 */
  #include <sys/socket.h>
  #include <netinet/in.h>   
  #include <errno.h>
  #include <netdb.h>   
 
  
  #define PRINTERROR(s)			perror(s)
		
  typedef int SOCKET ;
  typedef struct sockaddr_in SOCKADDR_IN;
  
  typedef struct hostent HOSTENT;  
  typedef HOSTENT * LPHOSTENT;
  
  typedef struct sockaddr SOCKADDR;
  typedef SOCKADDR * LPSOCKADDR;
  
  typedef struct in_addr * LPIN_ADDR;
  
  
  #define SOCKET_ERROR (-1)
  #define INVALID_SOCKET (-1)

	
	#define OS_SOCKET_CLOSE(s) close(s)
	
	#define OS_SOCKET_INIT() 
	#define OS_SOCKET_CLEAR() 
	
#endif

#endif /* __OS_SOCKET_H__ */