linux c语言和php通信代码UDP

服务器端server.c
/*server.c*/
#include <string.h>
#include <stdio.h>
#include <netinet/in.h>
#include <stdlib.h>
#define SERV_PORT 8000
int main()
{
     int sockfd,n,servaddr_len;
     char * server_ip = "127.0.0.1";
     char buf[80];   
     struct sockaddr_in server,client;
 
 
     sockfd = socket (AF_INET,SOCK_DGRAM,0);
 
 
     bzero(&server,sizeof(server));
     server.sin_family = AF_INET;
     server.sin_addr.s_addr = inet_addr(server_ip);
     server.sin_port = htons(SERV_PORT);
     servaddr_len = sizeof(server);
 

     bind(sockfd,(struct sockaddr *) &server,servaddr_len);
     listen(sockfd,6);
     while(1)
     {
        printf("等待读取数据.......\n");