--- a/function_pointers.c
+++ b/function_pointers.c
@@ -7,34 +7,34 @@
 #include <stdlib.h>
 
 typedef struct T {
-	int a;
-	int b;
+    int a;
+    int b;
 } T;
 
-int plus(T t)
+int plus (T t)
 {
-	return t.a+t.b;
+    return t.a + t.b;
 }
 
-int minus(T t)
+int minus (T t)
 {
-	return t.a-t.b;
+    return t.a - t.b;
 }
 
-int func(T t, int (*ptrFunc)(T))
+int func (T t, int (*ptrFunc) (T))
 {
-	return ptrFunc(t);
+    return ptrFunc (t);
 }
 
-int main(int argc, char **argv)
+int main (int argc, char **argv)
 {
-	T t = {
-		.a = 20,
-		.b = 10
-	};
+    T t = {
+        .a = 20,
+        .b = 10
+    };
 
-	printf("Result: %d\n", func(t, &plus));
-	printf("Result: %d\n", func(t, &minus));
+    printf ("Result: %d\n", func (t, &plus));
+    printf ("Result: %d\n", func (t, &minus));
 
-	return EXIT_SUCCESS;
+    return EXIT_SUCCESS;
 }