FuncDeclaration:
        FUNC ID LPAR Parameters RPAR Type FuncBody  {if(erros == 0 && flag == -1){$$ = create_node("FuncHeader", NULL); new_node = create_node("Id", $2); add_child($$,new_node); add_brother(new_node,$4);}}
        FUNC ID LPAR RPAR Type FuncBody             {if(erros == 0 && flag == -1){$$ = create_node("FuncHeader", NULL); new_node = create_node("Id", $2); add_child($$,new_node);}}
        FUNC ID LPAR Parameters RPAR FuncBody       {if(erros == 0 && flag == -1){$$ = create_node("FuncHeader", NULL); new_node = create_node("Id", $2); add_child($$,new_node); add_brother(new_node,$4)}}
        FUNC ID LPAR RPAR FuncBody                  {if(erros == 0 && flag == -1){$$ = create_node("FuncHeader", NULL); new_node = create_node("Id", $2); add_child($$,new_node);}}
    ;