Day 13_2.C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>

#define PORT 8080

int main(int argc, char *argv[]) {
    int sockfd, n;
    struct sockaddr_in serv_addr;
    struct hostent *server;
    char buffer[256];
    FILE *fp;

    if (argc < 3) {
        printf("Usage: %s hostname filename\n", argv[0]);
        exit(1);
    }

    server = gethostbyname(argv[1]);
    if (server == NULL) {
        printf("Error: no such host\n");
        exit(1);
    }

    sockfd = socket(AF_INET, SOCK_STREAM, 0);

    bzero((char *) &serv_addr, sizeof(serv_addr));
    serv_addr