Les piles en C

#include <stdio.h>

#include "module.h"

int main(void) {
    struct element Cuivre;

    module_initialize_element(&Cuivre, 19, 63.546);
    module_print_element(Cuivre);

    return 0;
}

#ifndef MODULE_H
#define MODULE_H

#define MODULE_MAX_NUMBER 118

struct element {
    int number;
    double mass;
};

/* module interface */ 
    
int module_initialize_element(struct element * e,
        int number, double mass);
int module_print_element(struct element e);

#endif

/* module.c */

#include "module.h"

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

    
/* private static functions */

static void error(char * st) {
    printf("Error: %s\n", st);
    exit(1);
}

/* module interface functions implementation */

int module_initialize_element(struct element * e,
        int number, double mass) {
    if (number > MODULE_MAX_NUMBER)
        error("Element number is too big");
    e->number = number;
    e->mass = mass;

    return 0;
}

int module_print_element(struct element e) {
    printf("Element number %d has atomic mass of %f\n",
            e.number, e.mass);

    return 0;
}