/*this struct creates the spindle which houses the reflector and all
* three rotors. Also keeps track of rotor positions to track the
* stepping of the rotors
*/
typedef struct
{
    char rotor1[26];
    char rotor2[26];
    char rotor3[26];
    char reflector[26];

    int rotpos1;
    int rotpos2;
    int rotpos3;

} Spindle;

void rotor_init (char arr[] , char  rotor[]);

void reflector_init (char arr[], char * reflector);

int rotor_step ( Spindle *, int * check );

void substitution ( Spindle *, char * letter );

int char_to_int ( char * letter );

char int_to_char ( int * x );