bind, listen функции не работают - C++ Builder - Ответ 2538326

#pragma hdrstop
#pragma argsused
 
#include <tchar.h>
#include <stdio.h>
#include <winsock2.h>
#include <stdio.h>
#include <iostream.h>
#define PORT 100//initialization of PORT
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
WORD makeword;//unsigned short(WORD) for MAKEWORD
WSADATA wsad;//WSAData initialization
SOCKET sockets,sockacc;//sockets initialization
unsigned char bufrec[1024];//buffer for receiving the data
unsigned char bufsend[256] = "Hello world";//buffer for send
char wsaer;//WSAGetLastError buff
SOCKADDR_IN soin = {0};//sockaddr initialization
SOCKADDR_IN soac = {0};//sockaddr for accept
int bindc,listenc,acci,recvc,sendc,wsaerror;//checking parameters
soin.sin_family = AF_INET;//addres family socket
soin.sin_port   = htons(PORT);//port for socket
soin.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");//IP address for socket
makeword = MAKEWORD(2,2);//making word
 WSAStartup(makeword,&wsad);//startup the WSA
 sockets = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);//creating the socket
  if(sockets == INVALID_SOCKET) printf("socket function error: INVALID_SOCKET.\n"); //if creation of socket is failed, printf
   else//if socket is created successfylly
    {
      bindc = bind(sockets,(sockaddr*)&soin,sizeof(soin)); //binding the socket
      if(bindc == SOCKET_ERROR) printf("bind function error: SOCKET_ERROR.\n"); //if bindig failed, printf
        else//if binding successfully completed
         {
           listenc = listen(sockets,SOMAXCONN);//listening the socket
           if(listenc == SOCKET_ERROR) printf("listen function error: SOCKET_ERROR");//if fail listening, printf
            else//if listening is successful
             {
              acci=sizeof(soac);//sizeof soac
              sockacc = accept(sockets,(sockaddr*)&soac,&acci);//accepting the socket from the server
               if(sockacc == INVALID_SOCKET) printf("accept funtion error: INVALID_SOCKET"); //if acception failed, printf
                else//if acception is successfully completed
                 {
                  recvc = recv(sockacc,&bufrec[0],sizeof(bufrec),0);//receiving data from server
                   if(recvc == -1) printf("recv function error: SOCKET_ERROR");//if receiving is failed, printf
                    else//if received successfully
                     {
                       sendc = send(sockacc,(const char*)&bufsend,sizeof(bufsend),0); //sending some data to the server
                       if(sendc == SOCKET_ERROR) printf("send function error: SOCKET_ERROR");//if cant send data, printf
                     }//received
                 }//accepted
             }//listened
         }//binded
                  wsaerror = WSAGetLastError();//Getting last error in the buffer
          printf("Error is: %d.\n",wsaerror);//printing the error code
      shutdown(sockets,SD_BOTH);//shutting down the socket
      shutdown(sockacc,SD_BOTH);//shutting down the socket
      WSACleanup();//cleaning up the WSA
      closesocket(sockets);//closing the main socket
      closesocket(sockacc);//closing the acception socket
        }
    system("pause");
    return 0;
}