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#ifndef TREEH_H
#define TREEH_H
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
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#include <stdbool.h>
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#define NBCHAR 26 //A-Z
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typedef char *string,byte;
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typedef struct _node node, *tree;
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struct _node{
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char letter;
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byte isEnd;
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//0 no,1 yes,+2 if ends with 's
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//*4 if proper, *16 if allUpper
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node* next[NBCHAR];
};
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tree make_empty_tree();//create a null node*
node* make_empty_node();//malloc a node and initialize it
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node* make_node(char,byte);//id
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void delete_tree(tree);//free(tree) and delete tree on all t->next
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bool is_empty(const tree);//==NULL
bool is_followed(const tree);//if true tree has following letters
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bool is_end(const tree);//if true word can end here
bool ends_with_apostrophe(const tree);//if true word can be word's
bool is_common_end(const tree);//if true all letters are lower
bool is_proper_end(const tree);//if true 1st letter is upper
bool is_acronyme_end(const tree);//if true all letters are upper
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int hash(char);//need to check if isalpha
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bool ischar_of_word(char);//tells if char can be in a word
bool is_word(byte endKind);//pass end_kind() as parameter
byte end_kind(string);
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//recursive can only be called in a addto_dico
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bool addto_tree(tree,const string,byte);
void addto_tree2(tree,const string,byte);
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#endif //TREEH_H
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