Pointers that point to the smallest lowercase and the smallest uppercase characters respectively in the given string
i = 0 ; j = 0 ; NEW_LINE while ( i < MAX and lower [ i ] == 0 ) : NEW_LINE INDENT i += 1 ; NEW_LINE DEDENT while ( j < MAX and upper [ j ] == 0 ) : NEW_LINE INDENT j += 1 ; NEW_LINE DEDENT