p13.3.c

linux编程源代码,其中是由大量的实例

#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>

#define UNIX_DOMAIN "/tmp/unix.domain"
int main(void)
{
	int connect_fd;
	int ret;
	char snd_buf[1024];
	int i;

	static struct sockaddr_un srv_addr;

	connect_fd=socket(PF_UNIX,SOCK_STREAM,0);
	if(connect_fd<0){
		perror("cannot create communication socket");
		return 1;
	}	

	srv_addr.sun_family=AF_UNIX;
	strcpy(srv_addr.sun_path,UNIX_DOMAIN);

	ret=connect(connect_fd,(struct sockaddr*)&srv_addr,sizeof(srv_addr));
	if(ret==-1){
		perror("cannot connect to the server");
		close(connect_fd);
		return 1;
	}
	
	memset(snd_buf,0,1024);
	strcpy(snd_buf,"message from client");

	for(i=0;i<4;i++)
	write(connect_fd,snd_buf,sizeof(snd_buf));
	
	close(connect_fd);
	return 0;
}