/*  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *
*                                                                              *
*                             Gem-graph client                                 *
*                                                                              *
*                      Finite State Machine (fsm) header                       *
*                                                                              *
*         Copyright © 2021 Libre en Communs <contact@a-lec.org>                *
*         Copyright © 2021 Adrien Bourmault <neox@a-lec.org>                   *
*         Copyright © 2021 Jean Sirmai <jean@a-lec.org>                        *
*                                                                              *
*                        This file is part of Gem-graph.                       *
*                                                                              *
*   This program is free software: you can redistribute it and/or modify it    *
*         under the terms of the GNU Affero General Public License             *
*                as published by the Free Software Foundation,                 *
*                       either version 3 of the License,                       *
*                    or (at your option) any later version.                    *
*                                                                              *
*       This program is distributed in the hope that it will be useful,        *
*                         but WITHOUT ANY WARRANTY;                            *
*            without even the implied warranty of MERCHANTABILITY              *
*                    or FITNESS FOR A PARTICULAR PURPOSE.                      *
*         See the GNU Affero General Public License for more details.          *
*                                                                              *
*   You should have received a copy of the GNU Affero General Public License   *
*     along with this program.  If not, see <http://www.gnu.org/licenses/>.    *
*                                                                              *
*  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  */


#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <gtk-4.0/gtk/gtk.h>



//------------------------------------------------------------------------------
//  https://chgi.developpez.com/liste/    <    ^c^v


/*  Structure représentant un élément de la pile. */

typedef struct pile
{
    int valeur;
    struct pile *prec;
} pile ;


/*  Push empile une valeur sur la pile. */

void Push(pile **, int);


/*  Pop retire la dernière valeur empilée sur la pile. */

int Pop(pile **);


/*  Clear vide la pile. */

void Clear(pile **);


/*  Length retourne le nombre d'éléments de la pile. */

int Length(pile *p);


/*  Affiche la totalité de la pile en commençant par le sommet. */

void View(pile *);




//------------------------------------------------------------------------------

void util_pile_test(); // def: scr/util/tests  

char *read_file(char *filename);