Tested the use of sizeof

misc/sizes.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main()
+{
+    int a;
+    int b;
+    char c[20];
+    printf("%d  %d", sizeof(a), sizeof(c));
+
+    b = sizeof(c);
+    printf("\n%d\n", b);
+}