关于UNIX和WINDOWS的通信，急！！！

 1<sys types.h="">   
 2#include <sys socket.h="">   
 3#include <netinet in.h="">   
 4#include <errno.h>   
 5#include <fcntl.h>   
 6#include <netdb.h>   
 7#include <signal.h>   
 8#include <stdio.h>   
 9#include <stdlib.h>   
10#include <unistd.h>   
11  
12int main(int argc, char *argv[])   
13{   
14int sockfd,new_fd;   
15struct sockaddr_in server_addr;   
16struct sockaddr_in client_addr;   
17int sin_size,portnumber;   
18char hello[]="Hello! Are You Fine?\n";   
19  
20if(argc!=2)   
21{   
22fprintf(stderr,"Usage:%s portnumber\a\n",argv[0]);   
23exit(1);   
24}   
25  
26if((portnumber=atoi(argv[1]))&lt;0)   
27{   
28fprintf(stderr,"Usage:%s portnumber\a\n",argv[0]);   
29exit(1);   
30}   
31  
32/* 服务器端开始建立socket描述符 */   
33if((sockfd=socket(AF_INET,SOCK_STREAM,0))==-1)   
34{   
35fprintf(stderr,"Socket error:%s\n\a",strerror(errno));   
36exit(1);   
37}   
38  
39/* 服务器端填充 sockaddr结构 */   
40bzero(&amp;server_addr,sizeof(struct sockaddr_in));   
41server_addr.sin_family=AF_INET;   
42server_addr.sin_addr.s_addr=htonl(INADDR_ANY);   
43server_addr.sin_port=htons(portnumber);   
44  
45/* 捆绑sockfd描述符 */   
46if(bind(sockfd,(struct sockaddr *)(&amp;server_addr),sizeof(struct sockaddr))==-1)   
47{   
48fprintf(stderr,"Bind error:%s\n\a",strerror(errno));   
49exit(1);   
50}   
51  
52/* 监听sockfd描述符 */   
53if(listen(sockfd,5)==-1)   
54{   
55fprintf(stderr,"Listen error:%s\n\a",strerror(errno));   
56exit(1);   
57}   
58  
59while(1)   
60{   
61/* 服务器阻塞,直到客户程序建立连接 */   
62sin_size=sizeof(struct sockaddr_in);   
63if((new_fd=accept(sockfd,(struct sockaddr *)(&amp;client_addr),&amp;sin_size))==-1)   
64{   
65fprintf(stderr,"Accept error:%s\n\a",strerror(errno));   
66exit(1);   
67}   
68  
69fprintf(stderr,"Server get connection from %s\n",   
70inet_ntoa(client_addr.sin_addr));   
71if(write(new_fd,hello,strlen(hello))==-1)   
72{   
73fprintf(stderr,"Write Error:%s\n",strerror(errno));   
74exit(1);   
75}   
76/* 这个通讯已经结束 */   
77close(new_fd);   
78/* 循环下一个 */   
79}   
80close(sockfd);   
81exit(0);   
82}   
83  
84\---------------------------------------------------------------   
85  
86用TCP有流量控制的，不用担心   
87  
88\---------------------------------------------------------------   
89  
90定义双缓冲队列。一个读，一个写。满了就等待。</unistd.h></stdlib.h></stdio.h></signal.h></netdb.h></fcntl.h></errno.h></netinet></sys></sys>