new ___arrayNull___[1] = { 0 };
#define _(ARRAY)NULL ___arrayNull___

static stock arrayToFile(filename[], _array[], size = sizeof _array)
{
    size *= 4;

    new File:tmpFile = fopen(filename, io_write);

    for(new i = 0; i < size; i++)
        fputchar(tmpFile, _array{i}, false);

    fclose(tmpFile);
}

static stock fileToArray(filename[], _array[], size = sizeof _array)
{
    size *= 4;

    new File:tmpFile = fopen(filename, io_read);

    memcpy(_array, _(ARRAY)NULL, 0, size); // Заполняем массив нулями

    for(new i = 0; i < size; i++)
        _array{i} = fgetchar(tmpFile, _array{i}, false);

    fclose(tmpFile);
}