Initial commit

stack_lib.c

+#include <stdbool.h>
+
+#define MAX_CAPACITY 500
+typedef struct _stack {
+int data[MAX_CAPACITY]; // les données
+int top; // indice du sommet
+} stack;
+
+void stack_init(stack *s) {
+    s->top = -1;
+}
+
+bool stack_is_empty(stack s) {
+    return s.top == -1;
+}
+
+void stack_push(stack *s, int val) {
+    s->top += 1;
+    s->data[s->top] = val;
+}
+
+int stack_pop(stack *s) {
+    s->top -= 1;
+    return s->data[s->top+1];
+}
+
+int stack_peek(stack s) {
+    return s.data[s.top];
+}
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