p12-111.c

SUN Solaris8平台下进程间通信

#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h> 
#include "err_exit.h"
#define LISTENQ  5
void init_sockaddr(struct sockaddr_in *, const char *, const char *);
int socket_listen(const char *hostname, const char *server)
{
    int sockfd;
    struct sockaddr_in name;
     /* 创建套接字 */
    if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
        err_exit("socket error");
    /* 初始套接字地址结构 */ 
    init_sockaddr(&name, hostname, server);
    if (bind(sockfd, (struct sockaddr *)&name, sizeof(name)) < 0)
        err_exit ("bind");
    /* 创建侦听队列 */
    listen(sockfd, LISTENQ);
    return sockfd;
}