/* http://www.mrwadlo.com */

#include <stdio.h>
#include <conio.h>

void createfilename();
void displaysym( char c );
void stndrdth( long i );

int mark;

char inputfile[15];


int main()
{
	long i;
	long filesize;
	char sym;
	int percent;

	FILE *fpREAD;

	clrscr();

	do {
		printf("\n Enter Filename Using 8.3 limit: ");
		scanf("%12s", &inputfile);

		if ( fopen(inputfile,"rb") )
		     break;
		else
		     printf(" %s <-- No Such File, Try Again!", inputfile);

	} while ( 1 );

        sym = 0;

	      	printf("%c",13);
		for ( i=0 ; i<38 ; i++ )
			printf("- ");

		printf("\n");

		fpREAD = fopen(inputfile,"rb");
        
		fseek(fpREAD, 0, SEEK_END);
		filesize = ftell(fpREAD);
		rewind(fpREAD);

		percent = 0;

		for ( i=0 ; i < filesize ; i++ )
		{
			fread(&sym, 1, 1, fpREAD);

			printf("%7ld", i );
			stndrdth( i );
			printf(" Byte");
			displaysym(sym);
			printf("ASCII: %d", sym);
			

			if ( 100*i/filesize > percent )
			{
				percent++;
			}

			printf("\t%d%%\n", percent);

                        //printf("\n");

			if ( getch() == 27 )
				break;
			
		}

                for ( i=0 ; i<38 ; i++ )
			printf("- ");

		printf("\n Byte View Complete.");

		fclose(fpREAD);

		getch();

	return 0;
}

void displaysym( char sym )
{
	printf("   ");

	     if ( sym == 0  )   printf("[NULL]");
	else if ( sym == 7  )	printf("[BEEP]");
	else if ( sym == 8  )	printf("[BKSP]");
	else if ( sym == 9  )	printf("[TAB] ");
	else if ( sym == 10 )	printf("[NXLN]");
	else if ( sym == 13 )	printf("[BKLN]");
	else if ( sym == 26 )	printf("[EOF] ");
	else if ( sym == 27 )	printf("[ESC] ");
	else if ( sym == 32 )	printf("[SPAC]");
	else			printf("%c     ",sym);

        printf("   ");
}
void stndrdth( long i )
{
	i = i % 100;

	if ( i <  11 || i > 13 )
	{
		i = i % 10;

		     if ( i == 1 )
			printf("st");
		else if ( i == 2 )
			printf("nd");
		else if ( i == 3 )
			printf("rd");
		else
			printf("th");
	}
	else
		printf("th");

}