CLOSE and VOID ERROR

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C++

I'm getting these two errors! I'm using Visual Studio 2010 and Win 7.
IntelliSense: identifier is undefined
IntelliSense: a value of type cannot be used to initialize an entity of type

#include <stdio.h>
#include <string.h>
//#include 
#include <stdafx.h> 
//#include 
//#include <netdb.h>
#include <winsock2.h>
#include <stdlib.h>
#include <ws2tcpip.h>

static const char *BODY = "SomeVariable1=foo&SomeVariable2=bar";
static const char *HEADERS = "POST /test.php HTTP/1.0\r\n"
"Host: 192.168.168.40\r\n"
"Accept: */*\r\n"
"Connection: keep-alive\r\n"
"Content-Type: application/x-www-form-urlencoded\r\n"
"Content-Length: ";

int main()
{
   struct addrinfo req, *res;
   memset(&req, 0, sizeof(req));
   req.ai_family = AF_UNSPEC;
   req.ai_socktype = SOCK_STREAM;

   if (getaddrinfo("192.168.168.40", "http", &req, &res) < 0)
   {
      perror("getaddrinfo");
      return -1;
   }

   int s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
   if (s < 0)
   {
      perror("socket");
      return -1;
   }
   if (connect(s, res->ai_addr, res->ai_addrlen) < 0)
   {
      perror("connect");
      close(s);
      return -1;
   }

   char *buffer = malloc(strlen(BODY) + strlen(HEADERS) + 256);
   sprintf(buffer, "%s%d\r\n\r\n%s\r\n\r\n", HEADERS, strlen(BODY), BODY);
   if (send(s, buffer, strlen(buffer), 0) < 0)
   {
      perror("send");
   }
   else
   {
      char recvbuffer[8192] = { 0 };
      int recvcount = 0;
      recvcount = recv(s, recvbuffer, sizeof(recvbuffer), 0);
      while (recvcount > 0)
      {
         printf("Received: %s", recvbuffer);
         recvcount = recv(s, recvbuffer, sizeof(recvbuffer), 0);
      }

      printf("\n");
   }
   free(buffer);
   close(s);
   return 0;
}