u gussed the errors

strtok(const string[], &index,seperator=' ')
{
	new length = strlen(string);
	new offset = index;
	new result[MAX_STRING];
	while ((index < length) && (string[index] != seperator) && ((index - offset) < (sizeof(result) - 1)))
	{
		result[index - offset] = string[index];
		index++;
	}

	result[index - offset] = EOS;
	if ((index < length) && (string[index] == seperator))
	{
		index++;
	}
	return result;
}

or

strtok(const string[], &index)
{
	new length = strlen(string);
	while ((index < length) && (string[index] <= ' '))
	{
		index++;
	}

	new offset = index;
	new result[20];
	while ((index < length) && (string[index] > ' ') && ((index - offset) < (sizeof(result) - 1)))
	{
		result[index - offset] = string[index];
		index++;
	}
	result[index - offset] = EOS;
	return result;
}