diff --git a/main.c b/main.c
index 616e5e1..25aa74e 100644
--- a/main.c
+++ b/main.c
@@ -1,29 +1,21 @@
 #include <stdint.h>
 
-uint32_t x = 1, y =2, z[10];
-uint32_t *ip;
-
 char * ptr = "informatyk\0";
 
-int strlen ( char *s ) {
+int slen ( char *s ) {
+
     int n;
 
-    for (n = 0; *s != '\0'; s++) {
+    for (n = 0; *s != '\0'; s++)
         n++;
-    }
 
   return n;
 }
 
 int main () {
 
-    ip =&x;
-    y = *ip;
-    *ip = 0;
 
-    ip = &z[0];
-
-    x = strlen (ptr) ;   
+    int x = slen (ptr) ;   
 
   return 0;
 }