C Linked List Data Structure Explained with an Example C Program

bug and fix bug

https://www.thegeekstuff.com/2012/08/c-linked-list-example/

$ diff -u orig.c bug.c
--- orig.c	2018-05-26 14:40:12.495407923 +0000
+++ bug.c	2018-05-26 14:41:03.335407923 +0000
@@ -150,6 +150,10 @@

     print_list();

+    add_to_list(666,true);
+    ret = delete_from_list(666);
+    print_list();
+
     for(i = 5; i<10; i++)
         add_to_list(i,true);

$ diff -u bug.c fix.c
--- bug.c	2018-05-26 14:41:03.335407923 +0000
+++ fix.c	2018-05-26 14:42:51.151407923 +0000
@@ -116,7 +116,7 @@
         {
             curr = prev;
         }
-        else if(del == head)
+        if(del == head)
         {
             head = del->next;
         }