Bild von HTTP-Server laden

#pragma comment(lib, "ws2_32.lib") 
#include <windows.h>
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>

int WSAStartUp();
main()
{
    long rc;
    int i = 0;
    SOCKET s;
    char *buf, *p_body;
    char anfrage = "GET ADDRESSE_DES_BILDES HTTP/1.1\r\nHost: HOST\r\n\r\n";  
    SOCKADDR_IN addr;
    FILE *file;

    rc = WSAStartUp();
    buf = (char*) malloc(6000000*sizeof(char));

    if(rc!=0)
    {
        printf("Fehler: WSAStartUp()\n");  
        return -1;
    }

    s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    memset(&addr, 0, sizeof(SOCKADDR));
    addr.sin_port = htons(80);
    addr.sin_addr.s_addr = inet_addr("[IP-ADDRESSE]");  
    addr.sin_family = AF_INET;

    rc = connect(s, &addr, sizeof(SOCKADDR));
    if(rc!=0)
    {
        printf("Fehler: connect()\n");  
        return -1;
    }

    rc = send(s, anfrage, strlen(anfrage), 0);
    rc = recv(s, buf, 6000000*sizeof(char), 0);

    while(buf[i] != 13 && buf[i+1] != 10 || buf[i+2] != 13 && buf[i+3] != 10)
    {
        i++;
    }
    p_body = &buf[i+4];
    file = fopen("NAME.jpeg", "wb");  
    fwrite(p_body, 1, rc - i, file);
    fclose(file);
    printf("%s\n", buf);  

    
    closesocket(s);

    _getche();

}

int WSAStartUp()
{
    WSADATA wsa;
    return WSAStartup(MAKEWORD(2,0), &wsa);
}