System_Software_HandsOnList2/033client.c at main · superv13/System_Software_HandsOnList2 · GitHub

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/*
..........................................................................................................................................
Name : 033(server).c
Author : SHRUTI VERMA
Description : Write a program to communicate between two machines using socket.
Date : 30 Sep 2025
..........................................................................................................................................
*/

#include<unistd.h>
#include<stdlib.h>
#include<stdio.h>
#include<sys/socket.h>
#include<fcntl.h>
#include<netinet/in.h>

int main() {
   int clientfd;

   //create socket
   clientfd = socket(AF_INET, SOCK_STREAM, 0);

   //connect to a server
   struct sockaddr_in caddr;
   caddr.sin_addr.s_addr = INADDR_ANY;
   caddr.sin_port = htons(8080);
   caddr.sin_family = AF_INET;
   connect(clientfd, (struct sockaddr*)&caddr, sizeof(caddr));

   //send and recieve
   char buffer[1024];
   write(clientfd, "Hello Server!!", 15);
   read(clientfd, buffer, sizeof(buffer));
   printf("Server says : %s\n", buffer);

   //close
   close(clientfd);
}

/*---------------------------_OUTPUT--------------------------------------
vumma@vumma-VivoBook-15-ASUS-Laptop-X507UF:~/Desktop/SS/HOL2$ ./client
Server says : Hello from server!
vumma@vumma-VivoBook-15-ASUS-Laptop-X507UF:~/Desktop/SS/HOL2$ ./client
Server says : Hello from server!
vumma@vumma-VivoBook-15-ASUS-Laptop-X507UF:~/Desktop/SS/HOL2$ ./client
Server says : Hello from server!
vumma@vumma-VivoBook-15-ASUS-Laptop-X507UF:~/Desktop/SS/HOL2$ ./client
Server says : Hello from server!*/