Your understanding of the removeArray is not correct.
removeArray is set up as a 256 array set, which conforms to the possible values of one byte. One byte = 2 to the power 8, = 256. Thus, the...

#include <stdio.h>
#include <string.h>

void main()
{

char string[] = "STEPHEN JOHNSON - LTD";
char key[] = "LTD";

int i = 0;