vxug-WinAPI-Tricks/StringsAndData/StringCompareStringRegion/StringCompareStringRegionA.c

INT StringCompareStringRegionA(PCHAR String1, PCHAR String2, SIZE_T Count)
{
	UCHAR Block1, Block2;
	while (Count-- > 0)
	{
		Block1 = (UCHAR)*String1++;
		Block2 = (UCHAR)*String2++;

		if (Block1 != Block2)
			return Block1 - Block2;

		if (Block1 == '\0')
			return 0;
	}

	return 0;
}