diff --git a/liste.h b/liste.h
new file mode 100644
index 0000000..3c5349c
--- /dev/null
+++ b/liste.h
@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+#define  TAILLE_X  700
+
+
+typedef struct entite
+{int image;int x;int y;int speed;}entite;
+
+
+typedef struct l_entite
+{entite ent;struct l_entite* next;}l_entite;
+
+l_entite* create_l_entite  (int x,int y,int speed,int image);
+entite    create_entite    (entite ent,int x,int y, int speed, int image);
+void      add_entite       (l_entite** head,int x,int y,int speed,int image);
+void      display_l_entite (l_entite* mons);
+void      display_entite   (entite ent);
+void      moveMissile     (l_entite* msl);
+void      addMissile       (l_entite** head, entite vaisseau,int image);
+void      detecterCollisions(l_entite* l_missile, l_entite* l_monstre);
--
libgit2 0.21.2