p12-14.c

来自「SUN Solaris8平台下进程间通信」· C语言 代码 · 共 23 行

#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
int socket_connect(const char *hostname, const char *serv_port);
int main(int argc, char **argv)
{
    int connfd;
    int n;
    int result;
    char buf[256];
    /* 与服务建立连接 */
    connfd = socket_connect(NULL, "2003");
    write(connfd, argv[1], sizeof(argv[1]));
    n = read(connfd, buf, sizeof(buf));
    buf[n] = 0;  /* 终止符 */
    printf("string from server = %s\n", buf);
    close(connfd);
    exit(0);
}