stack.c

@@ -10,10 +10,7 @@
 // Pushes data as pointer onto the stack.
 StackNode *push(StackNode *stack, void *data)
 {
-    StackNode *top = malloc(sizeof(StackNode));
-    top->next= stack;
-    top->data= data;
-    return top;
+
 }
 
 // Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be

stack.h

@@ -8,11 +8,6 @@ The latest element is taken from the stack. */
 #include <stdlib.h>
 
 //TODO: passenden Datentyp als struct anlegen
-typedef struct StackNode
-{
-    void *data;
-    struct StackNode *next;
-}StackNode;
 
 // Pushes data as pointer onto the stack.
 StackNode *push(StackNode *stack, void *data);