| 1 | #ifndef __CODE_H__ |
| 2 | #define __CODE_H__ |
| 3 | |
| 4 | #define NB_BYTES 256 |
| 5 | |
| 6 | /* byte type */ |
| 7 | |
| 8 | typedef unsigned char byte_t; |
| 9 | |
| 10 | /* code structure */ |
| 11 | |
| 12 | typedef struct { |
| 13 | char code[NB_BYTES - 1 + 1]; |
| 14 | } code_t; |
| 15 | |
| 16 | int codcat (char *dst, int n, char *src); |
| 17 | int codcmp (char *cod1, char *cod2); |
| 18 | int codcpy (char *dst, int n, char *src); |
| 19 | int codlen (char *code); |
| 20 | |
| 21 | /* leaf structure */ |
| 22 | |
| 23 | typedef struct _leaf_t |
| 24 | { |
| 25 | struct _leaf_t *left; |
| 26 | struct _leaf_t *right; |
| 27 | int occ; |
| 28 | byte_t c; |
| 29 | } leaf_t; |
| 30 | |
| 31 | leaf_t *getleaf (int n); |
| 32 | |
| 33 | #endif /* __CODE_H__ */ |
| 34 | |
| 35 | /* vim: set ts=4 sw=4 et */ |