C / C++ / MFC

FILE *fp;
long unicode;
long c;

fp = fopen(argv[1], "r");
if(!fp)
{
	printf("File open failed\n");
	return 0;
}

printf("Input Unicode file: %s\n", argv[1]);
c = fgetc(fp);
c = fgetc(fp);

while( (unicode = fgetc(fp)) != EOF)
{
	long unicode1 = fgetc(fp);
	unicode = (unicode1 << 8) | unicode;
         //(0000–FFFF): Basic Multilingual Plane (BMP).
	if (unicode >= 0x0000 /*0*/ && unicode <= 0x07FF/*2047*/) 
	{
		if (unicode >= 0x0000 && unicode <= 0x007F) //Basic Latin (0000–007F) 
		{ 
			unicode_set[Basic_Latin] = 1; 
		}
                .... 
                .... 
                .... 
        }
}
fclose(fp);