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-rw-r--r--collections/double_ended_queue.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/collections/double_ended_queue.c b/collections/double_ended_queue.c
index 1f18330..ac9c131 100644
--- a/collections/double_ended_queue.c
+++ b/collections/double_ended_queue.c
@@ -192,3 +192,23 @@ int size;
root->end = root->beg + size;
}
+
+void* deq_front(root)
+deq *root;
+{
+ if (!root) {
+ return;
+ }
+
+ return *root->beg;
+}
+
+void* deq_back(root)
+deq *root;
+{
+ if (!root) {
+ return;
+ }
+
+ return *root->end;
+}