diff --git a/dictionnaire.c b/dictionnaire.c
new file mode 100644
index 0000000..80ea42a
--- /dev/null
+++ b/dictionnaire.c
@@ -0,0 +1,118 @@
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+
+
+Noeud *racine;
+
+long fileSize;
+
+
+unsigned int nbr_mots;
+
+
+Noeud *reserve_noeuds;
+
+
+bool appartient(const char *mot)
+{
+    
+    Noeud *trav = NULL;
+
+    
+    trav = racine;
+
+    
+    int i = 0;
+
+    
+    while (mot[i] != '\0') {
+
+        char c = tolower(mot[i]);
+
+        if (isalpha(c)) {
+
+            if (trav->enfants[c - 'a'] == NULL) {
+                return false;
+            }
+            trav = trav->enfants[c - 'a'];
+        }
+        i++;
+    }
+    return trav->mot_fini;
+}
+
+bool charger_dict(const char *dictionary)
+{
+
+    FILE *dict = fopen(dictionary, "rb");
+
+    if (dict == false) {
+        printf("Could not open this dictionary (dictionary.c file)");
+        return false;
+    }
+
+    fseek(dict, 0, SEEK_END);
+    fileSize = ftell(dict);
+
+    fseek(dict, 0, SEEK_SET);
+
+    reserve_noeuds = calloc((fileSize), sizeof(Noeud));
+
+    Noeud *nextFreeNode = reserve_noeuds;
+
+    char *buffer = malloc(fileSize + 1);
+    fread(buffer, 1, fileSize, dict);
+
+    buffer[fileSize] = '\0';
+
+    racine = nextFreeNode + 1;
+
+    Noeud *trav = NULL;
+
+    char *words = buffer;
+
+    nbr_mots = 0;
+
+    while (*words) {
+       
+        trav = racine;
+
+        for (; *words != '\n' && *words; words++) {
+         
+            else {
+                if (trav->enfants[*words - 'a'] == NULL) {
+                    trav->enfants[*words - 'a'] = nextFreeNode++;
+                }
+
+                trav = trav->enfants[*words - 'a'];
+            }
+        }
+
+        trav->mot_fini = true;
+        nbr_mots++;
+
+        if (*words == '\n') {
+            words++;
+        }
+    }
+
+    fclose(dict);
+    free(buffer);
+
+    return true;
+}
+
+unsigned int taille()
+{
+    return nbr_mots;
+}
+
+bool decharger()
+{
+    free(reserve_noeuds);
+    return true;
+}
--
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