UDP CHAT PROGRAM

*******************************************SERVER************************************


 #include <sys/types.h>         
#include <sys/socket.h>
#include<stdio.h>
#include <unistd.h>
#include<netinet/in.h>
#include<string.h>
#define SERV_TCP_PORT 5035

int main(int argc,char**argv)
{
    int sockfd,len;
    char tubelight[100];
    struct sockaddr_in server1,client1;
    sockfd=socket(AF_INET,SOCK_DGRAM,0);
    if(sockfd==-1)
    {
        printf("Socket Creation Fail\n");
    }
    else
    printf("Socet Created....\n");
    server1.sin_family=AF_INET;
    server1.sin_port=htons(SERV_TCP_PORT);
    server1.sin_addr.s_addr=INADDR_ANY;
    bind(sockfd,(struct sockaddr*)&server1,sizeof(server1));
   
    printf("Binding......\n");
    len=sizeof(client1);
        recvfrom(sockfd,tubelight,100,0,(struct sockaddr*)&client1,&len);
       
        printf("TUBELIGHT=%s\n",tubelight);
        bzero(tubelight,sizeof(tubelight));
        printf("SUMIT:-");
        sendto(sockfd,tubelight,sizeof(tubelight),0,(struct sockaddr*)&client1,&len);
        close(sockfd);
}
   


***************************************************CLIENT*********************************************


#include<stdio.h>
#include <sys/types.h>         
#include <sys/socket.h>
#include<netinet/in.h>
#include<string.h>
#define SERV_TCP_PORT 5035
int main(int argc,char **argv)
{
    int sockfd,x;
    char tubelight[100];
    struct sockaddr_in server1;
    struct hostent *server;
    sockfd=socket(AF_INET,SOCK_STREAM,0);
    if(sockfd==-1)
        printf("Error in Creation.....\n");
        server1.sin_family=AF_INET;
        server1.sin_port=htons(SERV_TCP_PORT);
        server1.sin_addr.s_addr=inet_addr("127.0.0.1");
        connect(sockfd,(struct sockaddr*)&server1,sizeof(server1));
        x=sizeof(server1);
        while(1)
        {
            printf("TUBELIGHT:-");
            fgets(tubelight,100,stdin);
            sendto(sockfd,tubelight,100,0,(struct sockaddr*)&server1,sizeof(server1));
            bzero(tubelight,sizeof(tubelight));
            recvfrom(sockfd,tubelight,100,0,(struct sockaddr *)&server1,&x);
            printf("server=%s",tubelight);
        }
        close(sockfd);
}