diff --git a/Stucture/SizeS.c b/Stucture/SizeS.c
index 28854c3..ea83e03 100644
--- a/Stucture/SizeS.c
+++ b/Stucture/SizeS.c
@@ -6,16 +6,17 @@
 
 
 #include<stdio.h>
+#include<stdlib.h>
 
-struct stud {
+typedef struct stud {
     int roll;
     char name[10];
     int marks;
-};
+}Stude;
 
 int main() {
     int size;
-    struct stud s;
+    Stude stud s;
     
     size = sizeof(s);
     printf("nSize of Structure : %d", size);
@@ -42,4 +43,4 @@ int main() {
  ----------
  sizeof is Operator not function
  sizeof Operator Takes any Variable as Parameter.
- */
\ No newline at end of file
+ */