\u4e0b\u9762\u7684\u7a0b\u5e8f\u5168\u90fd\u5728linux\u4e0b\u8fd0\u884c\uff0cwindows\u7cfb\u7edf\u4e0d\u53ef\u4ee5\uff0c\u53ef\u4ee5\u5f00\u4e2alinux\u865a\u62df\u673a\u4f5c\u4e3a\u5ba2\u6237\u7aef<\/p>\n\n\n\n
\u670d\u52a1\u5668\u7aef\u4ee3\u7801\uff1a<\/p>\n\n\n\n
#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <errno.h>\n#include <sys\/types.h>\n#include <sys\/socket.h>\n#include <netinet\/in.h>\n#include <unistd.h>\n\n#define MAXLINE 4096\n\nint main()\n{\n int listenfd,connfd;\n struct sockaddr_in servaddr;\n char buff[4096];\n int n;\n\n \/\/\u521b\u5efa\u4e00\u4e2aTCP\u7684socket\n if( (listenfd = socket(AF_INET,SOCK_STREAM,0)) == -1) {\n printf(\" create socket error: %s (errno :%d)\\n\",strerror(errno),errno);\n return 0;\n }\n \n \/\/\u5148\u628a\u5730\u5740\u6e05\u7a7a\uff0c\u68c0\u6d4b\u4efb\u610fIP\n memset(&servaddr,0,sizeof(servaddr));\n servaddr.sin_family = AF_INET;\n servaddr.sin_addr.s_addr = htonl(INADDR_ANY);\n servaddr.sin_port = htons(6666);\/\/\u7aef\u53e3\u53f7\n\n \n \/\/\u5730\u5740\u7ed1\u5b9a\u5230listenfd\n if ( bind(listenfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) == -1) {\n printf(\" bind socket error: %s (errno :%d)\\n\",strerror(errno),errno);\n return 0;\n }\n\n \/\/\u76d1\u542clistenfd\n if( listen(listenfd,10) == -1) {\n printf(\" listen socket error: %s (errno :%d)\\n\",strerror(errno),errno);\n return 0;\n }\n\n printf(\"====waiting for client's request=======\\n\");\n \/\/accept \u548crecv,\u6ce8\u610f\u63a5\u6536\u5b57\u7b26\u4e32\u6dfb\u52a0\u7ed3\u675f\u7b26'\\0'\n while(1)\n {\n\n if( (connfd = accept(listenfd, (struct sockaddr *)NULL, NULL)) == -1) {\n printf(\" accpt socket error: %s (errno :%d)\\n\",strerror(errno),errno);\n return 0;\n }\n n = recv(connfd,buff,MAXLINE,0);\n buff[n] = '\\0';\n printf(\"recv msg from client:%s\\n\",buff);\n close(connfd);\n }\n close(listenfd);\n return 0;\n}\n<\/code><\/pre>\n\n\n\n\u5ba2\u6237\u7aef\u4ee3\u7801\uff1a<\/p>\n\n\n\n
#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <errno.h>\n#include <sys\/types.h>\n#include <sys\/socket.h>\n#include <netinet\/in.h>\n#include <arpa\/inet.h>\n#include <unistd.h>\n\n#define MAXLINE 4096\n\nint main(int argc, char**argv)\n{\n int sockfd,n;\n char recvline[4096],sendline[4096];\n struct sockaddr_in servaddr;\n\n if(argc !=2)\n {\n printf(\"usage: .\/client <ipaddress>\\n\");\n return 0;\n }\n \/\/\u521b\u5efasocket\n if( (sockfd = socket(AF_INET,SOCK_STREAM,0)) == -1) {\n printf(\" create socket error: %s (errno :%d)\\n\",strerror(errno),errno);\n return 0;\n }\n \n memset(&servaddr,0,sizeof(servaddr));\n servaddr.sin_family = AF_INET;\n servaddr.sin_port = htons(6666);\n \/\/IP\u5730\u5740\u4ece\u201c\u70b9\u5206\u5341\u8fdb\u5236\u201d\u8f6c\u6362\u5230\u201c\u4e8c\u8fdb\u5236\u6574\u8083\u201d\n if( inet_pton(AF_INET,argv[1], &servaddr.sin_addr) <=0 ) {\n printf(\"inet_pton error for %s\\n\",argv[1]);\n return 0;\n }\n \/\/\u8fde\u63a5\n if( connect(sockfd,(struct sockaddr*)&servaddr,sizeof(servaddr)) <0) {\n printf(\" connect socket error: %s(errno :%d)\\n\",strerror(errno),errno);\n return 0;\n }\n\n printf(\"send msg to server:\\n\");\n fgets(sendline,4096,stdin);\n \/\/send\u53d1\u9001\n if ( send(sockfd,sendline,strlen(sendline),0) <0) {\n printf(\"send msg error: %s(errno :%d)\\n\",strerror(errno),errno);\n return 0;\n }\n\n close(sockfd);\n return 0;\n}\n<\/code><\/pre>\n\n\n\n\u5982\u4f55\u4f7f\u7528\uff1a<\/h2>\n\n\n\n\u670d\u52a1\u5668\u7aef\uff1a<\/h3>\n\n\n\n- \u627e\u5230servaddr.sin_port\u53d8\u91cf\u4fee\u6539\u7aef\u53e3\u53f7\uff0c\u9009\u62e9\u7684\u7aef\u53e3\u4e00\u5b9a\u8981\u662f\u5f00\u542f\u7684<\/li>
- \u7f16\u8bd1\u6587\u4ef6\u5e76\u8fd0\u884c<\/li>
- <\/li><\/ol>\n\n\n\n
\u5ba2\u6237\u7aef\uff1a<\/h3>\n\n\n\n- \u627e\u5230servaddr.sin_port\u53d8\u91cf\u4fee\u6539\u7aef\u53e3\u53f7\uff0c\u9009\u62e9\u7684\u7aef\u53e3\u8981\u548c\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\u4e00\u81f4\u3002<\/li>
- \u7f16\u8bd1\u6587\u4ef6<\/li>
- \u6309\u6b64\u683c\u5f0f\u6267\u884c\u6587\u4ef6\uff08\u5ba2\u6237\u7aef\u7a0b\u5e8f\u53ef\u6267\u884c\u6587\u4ef6+IP\u5730\u5740\uff09\uff1a.\/Client ipaddress<\/li>
- <\/li><\/ol>\n\n\n\n