头文件：
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <sys/select.h>
服务器端代码：
int main(int argc, char **argv)
{
struct sockaddr_un address;
int sock, conn;
int addrLength;
char buf[1024] = {0};
char *msg = "I has recived";
if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
{
perror("socket");
exit(0);
}
unlink("foo.sock");
address.sun_family = AF_UNIX;
strcpy(address.sun_path, "foo.sock");
addrLength = sizeof(address.sun_family) + strlen(address.sun_path);
if(bind(sock, (struct sockaddr *) &address, addrLength))
perror("bind");
if(listen(sock, 5))
perror("listen");
while((conn = accept(sock, (struct sockaddr *) &address, &addrLength)) >= 0)
{
recv(conn, buf, sizeof(buf), 0);
printf("%s\n", buf);
send(conn, msg, strlen(msg), 0);
}
return 0;
}
客户端代码：
int main(int argc, char **argv)
{
int client_fd;
int len;
ssize_t I;
char *msg = "hello server";
char buf[1024] = {0};
struct sockaddr_un remote;
if((client_fd = socket(AF_LOCAL, SOCK_STREAM, 0)) == -1)
{
perror("socket()");
exit(0);
}
remote.sun_family = AF_LOCAL;
strcpy(remote.sun_path, SOCK_PATH);
len = sizeof(remote);
//puts("hello, hello, hello, hello");
if(connect(client_fd, (struct sockaddr *)&remote,
