exemple de définition de structure

main.c

#include <stdlib.h>
#include <stdio.h>

#include "pion.h"

int main(int argc, char *argv[]) {
    Pion p;

    pion_init(&p);

    printf("pion: %d\n", p.var);

    return 0;
}

pion.c

#include <stdlib.h>

#include "pion.h"

void pion_init(Pion *p) {
    p->var = 0;
}

pion.h

#ifndef _PION_H
#define _PION_H

typedef struct {
    int var;
} Pion;

void pion_init(Pion *p);

#endif