getch in c

getch.cpp

#include<iostream >
#include<iomanip>
#include<windows.h>
#include<conio.h>


using namespace std;

int main()
{

	int minute = 0;
	int second = 0;
	int hour = 0;

	cout << "enter to start ! ";

	while (true)
	{
		if (GetAsyncKeyState(VK_RETURN))
		{

//			int check = 0;

				while (true)
				{
                     
					system("cls ");

					if (second < 60)
					{
						second++;
					}
					else if (second == 59)
					{
						second = 0;
						minute++;
					}
					else if (minute < 60)
					{
						minute++;
						second = 0;
					}
					else if (minute == 59)
					{
						minute = 0;
						hour++;

					}

					cout << setw(2) << setfill('0') << hour << ":" << setw(2) << setfill('0') << minute << ":" << setw(2) << setfill('0') << second << endl;
					Sleep(200);
					char ch;
					if(kbhit()){
						ch = getch();
						if(ch == 32)
							do{
								ch = getch();
							}while(ch != 32);
					}
				}



			}

		}

	


}