udpserver

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<sys/types.h>
#include<arpa/inet.h>
void main()
{
char*ip="127.0.0.1";
int port=5555;
int sockfd;
struct sockaddr_in addr;
char buffer[1024];
socklen_t addr_size;
sockfd=socket(AF_INET,SOCK_DGRAM,0);
if(sockfd<0)
{
perror("[-] socket error");
exit(1);
}
printf("[+]udp socket is created\n");
memset(&addr,'\0',sizeof(addr));
addr.sin_family=AF_INET;
addr.sin_port=htons(port);
addr.sin_addr.s_addr=inet_addr(ip);
bzero(buffer,1024);
printf("enter the data:");
scanf("%[^\n]",buffer);
printf("(client)data to server:%s\n",buffer);
sendto(sockfd,buffer,1024,0,(struct sockaddr*)&addr,sizeof(addr));
bzero(buffer,1024);
addr_size=sizeof(addr);
recvfrom(sockfd,buffer,1024,0,(struct sockaddr*)&addr,&addr_size);
printf("(client)data fromserver:%s\n",buffer);
}