+/**\r
+ Checks whether FirstEntry and SecondEntry are part of the same doubly-linked\r
+ list.\r
+\r
+ If FirstEntry is NULL, then ASSERT().\r
+ If FirstEntry->ForwardLink is NULL, then ASSERT().\r
+ If FirstEntry->BackLink is NULL, then ASSERT().\r
+ If SecondEntry is NULL, then ASSERT();\r
+ If PcdMaximumLinkedListLength is not zero, and List contains more than\r
+ PcdMaximumLinkedListLength nodes, then ASSERT().\r
+\r
+ @param FirstEntry A pointer to a node in a linked list.\r
+ @param SecondEntry A pointer to the node to locate.\r
+\r
+ @retval TRUE SecondEntry is in the same doubly-linked list as FirstEntry.\r
+ @retval FALSE SecondEntry isn't in the same doubly-linked list as FirstEntry,\r
+ or FirstEntry is invalid.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+IsNodeInList (\r
+ IN CONST LIST_ENTRY *FirstEntry,\r
+ IN CONST LIST_ENTRY *SecondEntry\r
+ );\r
+\r
+\r