+int* create_tab(int tab[], unsigned tab_size);
+void free_tab(int tab[]);
+int* concat_tab(int tab1[], unsigned tab_size1, int tab2[], unsigned tab_size2);
+int* resize_tab(int tab[], unsigned tab_size);
+int count_tab_element(int tab[], unsigned tab_size, int element);
+void sort_tab(int tab[], unsigned tab_size, criteria_cb criteria);