char identy[4][50];

    id_arr identy;

    save_id(identy);

    save_id(identy, true);

typedef FixedArray < int, 4, 50 > id_fix_arr;
typedef char id_arr[4][50];

// Protect the id array against being clobbered by a SIGHUP with the
// character in a shop.
extern id_arr shop_backup_id;
class shopping_hup_protect
{
public:
    shopping_hup_protect() : shopping(crawl_state.shopping)
    {
        save_id(shop_backup_id);
        crawl_state.shopping = true;
    }

    ~shopping_hup_protect()
    {
        crawl_state.shopping = shopping;
    }
private:
    bool shopping;
};

    in_a_shop(i, identy);

    {
        shopping_hup_protect shp;
        in_a_shop(i, identy);
    }
    

void save_id(char identy[4][50]);

void save_id(id_arr identy, bool saving_game = false);

id_arr id;

char id[NUM_IDTYPE][MAX_SUBTYPES];

// Backup of the id array used to save ids if the game receives SIGHUP
// when the character is in a shop.
id_arr shop_backup_id;

void save_id(char identy[4][50])

void save_id(id_arr identy, bool saving_game)

    int x = 0, jx = 0;
    for (x = 0; x < 4; x++)
    {
        for (jx = 0; jx < 50; jx++)
        {
            identy[x][jx] = id[x][jx];
        }
    }

    memcpy(identy,
           (!saving_game || !crawl_state.shopping)? id : shop_backup_id,
           sizeof id);

    bool shopping;          // Set if id has been munged for shopping.

                   updating_scores(false), seen_hups(0)

                   updating_scores(false), shopping(false), seen_hups(0)

typedef FixedArray < int, 4, 50 > id_fix_arr;
typedef char id_arr[4][50];