VK api wall.get

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <fstream>
#include <string.h>
#include <iostream>
 
using namespace std;
 
int main(int argc, char * argv[])
{
    char buf[1024];
    char request[1024];
 
 
    int sock;
    struct sockaddr_in addr;
    struct hostent * hostinfo;
 
    sock = socket(AF_INET, SOCK_STREAM, 0);
    if(sock < 0)
    {
        perror("socket");
        exit(1);
    }
 
    addr.sin_family = AF_INET;
    addr.sin_port = htons(80);
    addr.sin_addr.s_addr = inet_addr("87.240.143.241");
 
    if(connect(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0)
    {
        perror("connect");
        exit(2);
    }
 
    char url[] = "wall.get?owner_id=1&count50";
    char host[] = "https://api.vk.com/method/";
    ofstream out("out.txt");
    int current = 1;
 
    int curr;
    while(curr != 0)
    {
        sprintf(request, "%s%s", host, url);
        send(sock, request, strlen(request), 0);
        curr = recv(sock, buf, 1024, 0);
 
 
        out << buf;
    };
    out.close();
    return 0;
}

addr.sin_addr.s_addr = inet_addr("87.240.143.241");

sprintf(request, "%s%s", host, url);