p12-10.c

SUN Solaris8平台下进程间通信

#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h> 
#include "err_exit.h"
#define  MAXBUFFSIZE    256
int main(int argc, char **argv)
{
    int sockfd,n;
    char recvbuff[MAXBUFFSIZE], *host;
    struct sockaddr_in servaddr;
    /* 检查参数 */
    if(argc < 2)
        host = NULL;
    else
        host = argv[1];
    /* 创建套接字并建立与服务的连接 */
    sockfd = socket_connect(host,"13");
    /* 读服务的回答并显示结果 */
    while((n = read(sockfd,recvbuff,MAXBUFFSIZE)) > 0){
        recvbuff[n] = 0;    /* 填入终止符 */
        fputs(recvbuff,stdout);
    }
    if(n<0)
        err_exit("read error");
    exit(0);
}