#include <windows.h>
#include <Tlhelp32.h>
void killprocess(const char* filename)
{
    HANDLE hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPALL, 0);
    PROCESSENTRY32 pEntry;
    pEntry.dwSize = sizeof (pEntry);
    BOOL hRes = Process32First(hSnapShot, &pEntry);
    while (hRes)
    {
        if (strcmp(pEntry.szExeFile, filename) == 0)
        {
            HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, 0, (DWORD) pEntry.th32ProcessID);
            if (hProcess != NULL)
            {
                TerminateProcess(hProcess, 0);
                CloseHandle(hProcess);
            }
        }
        hRes = Process32Next(hSnapShot, &pEntry);
    }
    CloseHandle(hSnapShot);
}
int main()
{
    /* Accounts configuration */
    const BYTE quantity = 5;
    const char* account[quantity] = {"xvolian0",
                                     "xvolian1",
                                     "xvolian2",
                                     "xvolian3",
                                     "xvolian4"
                                    };
    BYTE current = quantity;
    HKEY key;
    RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Valve\\Steam", 0, KEY_ALL_ACCESS, &key);
    while (true)
    {
        for (BYTE i = 0; i<quantity; i++)
        {
            /* Numeric keypad */
            if (GetAsyncKeyState(0x60+i) && i != current)
            {
                killprocess("csgo.exe");
                killprocess("Steam.exe");
                RegSetValueEx(key, "AutoLoginUser", 0, REG_SZ, (LPBYTE)account[i], strlen(account[i]));
                ShellExecute(0, 0, "steam://rungameid/730", 0, 0, SW_SHOWNORMAL);
                current = i;
            }
        }
        Sleep(125);
        /* END key */
        if (GetAsyncKeyState(0x23)) break;
    }
    RegCloseKey(key);
    MessageBox(NULL,"The program has been closed.","Manager",MB_ICONINFORMATION);
    return 0;
}