copyfile

void copyfile(const char* in_path, const char* out_path)
{
	FILE *in = fopen(in_path, "rb");
	FILE *out = fopen(out_path, "wb");

	if (!in || !out)
		return;

	char* buffer = new char[4096];

	while (true)
	{
		int bytesreaded = fread(buffer, 1, sizeof(buffer), in);
		if (bytesreaded != 0)
			fwrite(buffer, 1, bytesreaded, out);
		else
			break;
	}

	delete[]buffer;
	fclose(in); fclose(out);
}