1  #ifndef     __DOUBLE_ARRAY_ORIGINAL_H_
 2  #define     __DOUBLE_ARRAY_ORIGINAL_H_
 3  
 4  
 5  // Functions return these integers.
 6  #define     DARY_OK     0
 7  #define     DARY_EHDL   100
 8  #define     DARY_EMEM   101
 9  #define     DARY_EIO    102
10  #define     DARY_EARG   103
11  #define     DARY_EKEY   104
12  #define     DARY_EBAD   105
13  
14  
15  #ifdef  __cplusplus
16  extern  "C" {
17  #endif
18  
19  
20  // Handle of double-array.
21  typedef     struct Dary     *hDary;
22  
23  // Status of double-array.
24  typedef     struct Dstat
25  {
26      unsigned    max;    // Rearmost used element.
27      unsigned    mblk;   // Rearmost used block.
28      unsigned    nblk;   // Number of blocks.
29      unsigned    mtail;  // Rearmost used element in Tail.
30      unsigned    ntail;  // Length of Tail.
31      unsigned    size;   // Size of double-array.
32      unsigned    nemp;   // Number of empty elements.
33      unsigned    nkey;   // Number of keys.
34  }   Dstat, *hDstat;
35  
36  
37  // Open.
38  int     Dary_Open( hDary *h, const char *path );
39  // Close.
40  int     Dary_Close( hDary h );
41  // Save.
42  int     Dary_Save( hDary h, const char *path );
43  
44  // Status.
45  int     Dary_Status( hDary h, hDstat st );
46  
47  // Search.
48  int     Dary_Search( hDary h, const char *s );
49  // Insert.
50  int     Dary_Insert( hDary h, const char *s );
51  // Delete.
52  int     Dary_Delete( hDary h, const char *s );
53  
54  // Adjust Base and Check.
55  int     Dary_AdjustBC( hDary h );
56  // Adjust Tail.
57  int     Dary_AdjustTail( hDary h );
58  
59  // Error message.
60  void    Dary_Error( int code );
61  
62  
63  #ifdef  __cplusplus
64  }
65  #endif
66  
67  
68  #endif