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 tab_dest[]);
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 tab_dest[]);