diff --git a/Digby_Real_Estate/Fundamentals/count.c b/Digby_Real_Estate/Fundamentals/count.c
index e69de29..b5cef6a 100644
--- a/Digby_Real_Estate/Fundamentals/count.c
+++ b/Digby_Real_Estate/Fundamentals/count.c
@@ -0,0 +1,28 @@
+#include <stdlib.h>
+//#include <stdio.h> 
+int *count(int n){
+    if (n < 1) return NULL;
+    int *p = malloc(n);
+    if(p == NULL) return NULL;
+    
+    while (n != 0){
+
+        *(p + n-1) = n;
+        n --;
+    }
+    return p;
+}
+/*
+int main(){
+    int *rslt =  count(5);
+    int index = 0;
+
+    while(*(rslt + index)){
+    
+        printf("%i", *(rslt + index));
+        index ++;
+    }
+    free(rslt);
+
+}*/
+
diff --git a/Digby_Real_Estate/Fundamentals/my_weirddup.c b/Digby_Real_Estate/Fundamentals/my_weirddup.c
index e69de29..7f6f815 100644
--- a/Digby_Real_Estate/Fundamentals/my_weirddup.c
+++ b/Digby_Real_Estate/Fundamentals/my_weirddup.c
@@ -0,0 +1,50 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+char *my_weirddup(char *src){
+
+    if(src == NULL) return NULL;
+
+    int index = 0;
+    while(*(src)){
+        index ++;
+        src ++;
+    }
+    
+    char *str =  malloc(index + 1);
+    if(str == NULL) return NULL; 
+    
+    //src = 0;
+    
+    char lettre = ' ';
+    index = 0;
+    
+    while (*src){
+        lettre = *src;
+
+        //maj
+        if (lettre > 64 && lettre < 91){
+            if (lettre == 'Z') lettre = 'A';
+            else lettre += 1;
+        }
+
+        //min
+        else if (lettre > 97 && lettre < 124 ){
+            
+            if (lettre == 'z')lettre = 'a';
+            else lettre += 1;    
+        }
+
+        *str = lettre;
+        src ++;
+        str ++;
+    }
+
+    return str;
+}
+
+int main(){
+
+    printf("%s",my_weirddup("abb"));
+
+}
diff --git a/Digby_Real_Estate/Fundamentals/test b/Digby_Real_Estate/Fundamentals/test
new file mode 100755
index 0000000..7a00858
Binary files /dev/null and b/Digby_Real_Estate/Fundamentals/test differ