Key presser for calculator emulators / simulators

#define _WIN32_WINNT 0x0A00
#define WIN_VER      0x0A00

#define MAPVK_VK_TO_VSC     (0)

#include <iostream>
#include <windows.h>
#include <fstream>

struct keymap_t {
    int vkey;
    POINT pt;
};

keymap_t keymaps [256];
int n_keymap;

int main(int argc, char** argv) {
    char name [1024], title [1024];
    std::cout << "External keyset for calculator emulators\n"
                 "          Use Ctrl+C to exit\n";
    std::cout << "Click at calculator emulator in 3 seconds\n";
    RECT pos; HWND calc_hwnd;
    Sleep(3000);
    calc_hwnd = GetForegroundWindow();
    GetWindowRect(calc_hwnd, &pos);
    GetWindowTextA(calc_hwnd, title, 1024);
    SetCursorPos(pos.left, pos.top);
    std::cout << pos.left << "," << pos.top << ","
    << pos.right << "," << pos.bottom << "\n" << title << "\n";


    std::cout << "Load data / save data? (L / S) : ";
    std::cin.getline(name, 1024);
    if (strcmp(name, "L") == 0) {
        std::cout << "File name: ";
        std::cin.getline(name, 1024);
        std::ifstream f (name);

        f >> n_keymap;
        for (int i = 0; i < n_keymap; i++) {
            f >> keymaps[i].pt.x >> keymaps[i].pt.y >> keymaps[i].vkey;
        }
        f.close();
    } else if (strcmp(name, "S") == 0) {
        std::cout << "File name: ";
        std::cin.getline(name, 1024);
        std::ofstream f (name);

        std::cout << "Enter number of key: ";
        std::cin >> n_keymap;
        f << n_keymap << "\n";
        while ((GetAsyncKeyState(VK_RETURN) & 0x8000) != 0) {}
        // ignore the last Enter (if any)
        std::cout << "Move cursor to position of each key and then press key.\n"
        "If mispressed key then click at this console window and press Delete button.\n";
        int j;
        for (int i = 0; i < n_keymap; i++) {
            std::cout << "Press key " << i << ": ";
            while (true) {
                Sleep(20);
                for(j = 0x08; j < 0xFF; j++) {
                    if ((GetAsyncKeyState(j) & 0x8001) == 0x8001) {
                        if (GetForegroundWindow() == calc_hwnd) { // explicit short circuit and &&
                            keymaps[i].vkey = j;
                            goto break_while1;
                        } else if (j == VK_DELETE && i > 0) {
                            i--;
                            std::cout << "-DEL-\nPress key " << i << ": ";
                        };
                    }
                }
            } break_while1:
            GetKeyNameTextA(MapVirtualKeyA(j, MAPVK_VK_TO_VSC) << 16, name, 1024);
            GetCursorPos(&keymaps[i].pt);

            keymaps[i].pt.x -= pos.left;
            keymaps[i].pt.y -= pos.top;

            std::cout << j << " (" << name << ") at (" << keymaps[i].pt.x << ", " << keymaps[i].pt.y << ")\n";
            f << keymaps[i].pt.x << " " << keymaps[i].pt.y << " " << keymaps[i].vkey << "\n";
        }
        f.close();
    } else {
        std::cout << "Unrecognized\n";
        std::cin >> name;
        return 0;
    }
    INPUT inp {0};
    while (true) {
        Sleep(20);
        for(int i = 0; i < n_keymap; i++) {
            if ((GetAsyncKeyState(keymaps[i].vkey) & 0x8001) == 0x8001) {
                if (GetForegroundWindow() == calc_hwnd) {
                    GetWindowRect(calc_hwnd, &pos);
                    SetCursorPos(keymaps[i].pt.x + pos.left, keymaps[i].pt.y + pos.top);
                    inp.type = INPUT_MOUSE;
                    inp.mi.dwFlags = MOUSEEVENTF_LEFTDOWN;
                    SendInput(1, &inp, sizeof(inp));
                    inp.type = INPUT_MOUSE;
                    inp.mi.dwFlags = MOUSEEVENTF_LEFTUP;
                    SendInput(1, &inp, sizeof(inp));
                }
            }
        }
    }
}