#include<sys/types.h>
#include<sys/socket.h>
int bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen);

#define MY_SOCK_PATH "/somepath"
int main(int argc, char *argv[])
{
    int sfd;
    struct sockaddr_un addr; //AF_UNIX對(duì)應(yīng)的結(jié)構(gòu)
    sfd = socket(AF_UNIX, SOCK_STREAM, 0); //初始化一個(gè)AF_UNIX族的流類型socket
    if (sfd == -1) { //檢查是否正常初始化socket
        perror("socket");
        exit(EXIT_FAILURE);
    }
    memset(&addr, 0, sizeof(struct sockaddr_un));//將變量addr置0
    addr.sun_family = AF_UNIX; //協(xié)議族為AF_UNIX
    strncpy(addr.sun_path, MY_SOCK_PATH, sizeof(addr.sun_path)-1); //復(fù)制路徑到地址結(jié)構(gòu)
    perror("bind");
    exit(EXIT_FAILURE);
    }
    ... //數(shù)據(jù)接收發(fā)送及處理過程
    close(sfd); //關(guān)閉套接字文件描述符
}

#define MYPORT 3490
int main(int argc, char *argv[])
{
    int sockfd; //套接字文件描述符變量
    struct sockaddr_in my_addr; //以太網(wǎng)套接字地址結(jié)構(gòu)

    sockfd = socket(AF_INET, SOCK_STREAM, 0); //初始化socket
    if (sockfd == -1) {
    peeror("socket"); //檢查是否正常初始化socket
    exit(EXIT_FAILURE);
    }
    my_addr.sin_family = AF_INET; //地址結(jié)構(gòu)的協(xié)議族
    my_addr.sin_port = htons(MYPORT); //地址結(jié)構(gòu)的端口地址，網(wǎng)絡(luò)字節(jié)序
    my_addr.sin_addr.s_addr = inet_addr("192.168.1.150"); //IP，將字符串的IP地址轉(zhuǎn)化為網(wǎng)絡(luò)字節(jié)序
    bzero(&(my_addr.sin_zero), 8); //將my_addr.sin_zero置為0
    if (bind(sockfd, (struct sockaddr *) &my_addr, sizeof(struct sockaddr)) == -1) { // 判斷是否綁定成功
    perror("bind");
    exit(EXIT_FAILURE);
    }
    ... //接收和發(fā)送數(shù)據(jù)，進(jìn)行數(shù)據(jù)處理
    close(sockfd); //關(guān)閉套接字文件描述符
}