#ifndef _DATA_H
#define _DATA_H

// custom types (mostly for shortening typing)
//
typedef struct node            Node;   // because we deserve nice things
typedef unsigned long long int code_t; // status code data type
typedef unsigned long long int ulli;
typedef   signed long long int slli;

// Status codes for the doubly linked node implementation
//
#define  DLN_SUCCESS         1    // 0x01, 0001, 00000001
#define  DLN_MALLOC_FAIL     2    // 0x02, 0002, 00000010
#define  DLN_ALREADY_ALLOC   4    // 0x04, 0004, 00000100
#define  DLN_NULL            8    // 0x08, 0010, 00001000
#define  DLN_ERROR           16   // 0x10, 0020, 00010000
#define  DLN_DEFAULT_FAIL    32   // 0x20, 0040, 00100000
#define  DLN_INVALID         64   // 0x40, 0100, 01000000
#define  DLN_RESERVED_CODE   128  // 0x80, 0200, 10000000

// Function prototypes
//
void lscodes(code_t);

#endif