Linux C语言编程
谁那里有linux C编写的基于TCP的网络聊天室 源代码，共享一下! 谢谢啦! Linux?c?TCP?网络聊天室
[解决办法]
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[解决办法]
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#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>

#include <sys/types.h>        
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#define SERV_IPADDR "192.168.1.89"
#define SERV_PORT 6000
#define QUIT_STR "quit"

int main(void)
{
    int fd = -1;
    int ret = -1;
    struct sockaddr_in sin;

        fd = socket(AF_INET, SOCK_STREAM, 0);
        if(fd < 0) {
                perror("socket error");
                return -1;
        }


        sin.sin_family = AF_INET;
        sin.sin_port = htons(SERV_PORT);
        sin.sin_addr.s_addr = inet_addr(SERV_IPADDR);    

    do {
        ret = connect(fd, (struct sockaddr *)&sin, sizeof(sin));
    }while(ret < 0 && EINTR == errno);    
    
    if(ret < 0) {
        perror("connect error");
        exit(1);
    }

    char buf[BUFSIZ];

    while(1) {
        bzero(buf, BUFSIZ);
        printf("Input string:\n");
        fgets(buf, BUFSIZ-1, stdin);        
        buf[BUFSIZ-1] = '\0';
        
        ret = write(fd, buf, strlen(buf));
        if( ret < 0) {
            perror("write error");
            continue;
        }
        if(!strncasecmp(buf, QUIT_STR,strlen(QUIT_STR))) { 
 
            printf("Client exiting.\n");
            break;
        }    
    }
    close(fd);
    return 0;
}

#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <strings.h>
#include <unistd.h>

#include <sys/types.h>          /* See NOTES */
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#define SERV_IPADDR "192.168.1.89"
#define SERV_PORT 6000
#define BACKLOG 5
#define QUIT_STR "quit"

int main(void)
{
    int fd = -1, newfd = -1;
    
    struct sockaddr_in sin;
    struct sockaddr_in cin;
    socklen_t addrlen = -1;
    
    /* 1.建立socket fd*/
    fd = socket(AF_INET, SOCK_STREAM, 0);
    if(fd < 0) {
        perror("socket error");
        return -1;
    }
    
    /*1.1 改变套接字的缺省属性 */
    int b_on = 1;
    setsockopt(fd, SOL_SOCKET,SO_REUSEADDR, &b_on, sizeof(int));

    //2.填充sin
    sin.sin_family = AF_INET;
    sin.sin_port = htons(SERV_PORT);


    sin.sin_addr.s_addr = inet_addr(SERV_IPADDR);


    //memset(sin.sin_zero, 0, 8);
    bzero(sin.sin_zero, 8); 

    //3. 绑定
    if( bind(fd, (struct sockaddr *)&sin, sizeof(sin))) {
        perror("bind error");
        return -1;
    }
     
    //4.  把主动套接字设置成被动套接字
    listen(fd, 5); 
        
    printf("Server started.\n");

    addrlen = sizeof(cin);
    
    do {
        newfd = accept(fd, (struct sockaddr *)&cin, &addrlen);
    }while(newfd < 0 && EINTR == errno);
    
    if(newfd < 0) {
        perror("accept error");
        return -1;
    }     
    
    char cli_dot_addr[16];
    bzero(cli_dot_addr, 16);
    inet_ntop(AF_INET, (void *)&cin.sin_addr.s_addr, cli_dot_addr, sizeof(cli_dot_addr)); 
 
    printf("Client info,Ipaddr:%s, port:%d\n",cli_dot_addr, ntohs(cin.sin_port));
    
#endif
    
    int ret  = -1;
    char buf[BUFSIZ];
    
    while(1) {
        bzero(buf, BUFSIZ);

        do {
            ret = read(newfd,buf, BUFSIZ-1); //阻塞
        } while(ret < 0 && EINTR == errno);
    
        if( ret < 0) {
            perror("read error");
            continue;
        }

//        buf[BUFSIZ-1] = '\0';
        printf("Server receive:%s\n", buf);     
        
        if(!ret 
[解决办法]
 !strncasecmp(buf, QUIT_STR, strlen(QUIT_STR))) {
            printf("Server: Client exited.\n");
            close(newfd);
            break;
        }    
    }

    close(fd);

    return 0;
}