first commit

tests/01_stack.c

@@ -0,0 +1,39 @@
+#define DEBUG
+#include "../include/link.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void){
+    List s1 = NULL;
+    struct Node *n1 = node_alloc(1);
+    struct Node *n2 = node_alloc(2);
+    struct Node *n3 = node_alloc(3);
+    struct Node *n4 = node_alloc(4);
+     
+    stack_push(&s1, n4);  
+    stack_push(&s1, n3);  
+    stack_push(&s1, n2);  
+    stack_push(&s1, n1);  
+
+    
+    list_print(&s1);
+    uint64_t test1 = stack_pop(&s1);
+    printf("Removed %ld from end of list.\n", test1); 
+    list_print(&s1);
+    
+    uint64_t test2 = stack_pop(&s1);
+    printf("Removed %ld from end of list.\n", test2); 
+    list_print(&s1);  
+    
+    uint64_t test3 = stack_pop(&s1);
+    printf("Removed %ld from end of list.\n", test3); 
+    list_print(&s1);  
+    
+    uint64_t test4 = stack_pop(&s1);
+    printf("Removed %ld from end of list.\n", test4); 
+    list_print(&s1);  
+    
+    list_free(&s1);
+    return EXIT_SUCCESS;
+}
+