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annotate tern.h @ 429:f6fdde540791

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Added ternary tree implementation and a simple test program for it
author Mike Pavone <pavone@retrodev.com>
date Tue, 09 Jul 2013 20:51:42 -0700
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children 440efd7d27a9
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429
f6fdde540791 Added ternary tree implementation and a simple test program for it
Mike Pavone <pavone@retrodev.com>
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1 #ifndef TERN_H_
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2 #define TERN_H_
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3
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4 #include <stdint.h>
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5
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6 typedef union {
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7 void *ptrval;
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8 intptr_t intval;
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9 } tern_val;
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10
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11 typedef struct tern_node {
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12 struct tern_node *left;
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13 union {
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14 struct tern_node *next;
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15 tern_val value;
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16 } straight;
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17 struct tern_node *right;
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18 char el;
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19 } tern_node;
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20
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21 tern_node * tern_insert(tern_node * head, char * key, tern_val value);
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22 int tern_find(tern_node * head, char * key, tern_val *ret);
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23 intptr_t tern_find_int(tern_node * head, char * key, intptr_t def);
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24 tern_node * tern_insert_int(tern_node * head, char * key, intptr_t value);
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25 void * tern_find_ptr(tern_node * head, char * key);
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26 tern_node * tern_insert_ptr(tern_node * head, char * key, void * value);
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27
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28 #endif //TERN_H_