diff --git a/src/pbuf.c b/src/pbuf.c
index c4c5ccd..e6b51ac 100644
--- a/src/pbuf.c
+++ b/src/pbuf.c
@@ -91,6 +91,16 @@ pbuf_append(pbuf_t* pbuf, void* ptr)
 	pbuf->ptr[pbuf->used++] = ptr;
 }
 
+void
+pbuf_appendall(pbuf_t* pbuf, const pbuf_t* tail)
+{
+    if (!pbuf || !tail || (tail->used == 0))
+        return;
+    pbuf_ensure(pbuf, tail->used);
+    memcpy(pbuf->ptr + pbuf->used, tail->ptr, tail->used * sizeof(void*));
+    pbuf->used += tail->used;
+}
+
 void
 pbuf_sort(pbuf_t* pbuf, pbuf_func_sort_t func)
 {
diff --git a/src/pbuf.h b/src/pbuf.h
index 39975ee..de656b1 100644
--- a/src/pbuf.h
+++ b/src/pbuf.h
@@ -25,6 +25,9 @@ pbuf_clear(pbuf_t* pbuf);
 void
 pbuf_append(pbuf_t* pbuf, void* ptr);
 
+void
+pbuf_appendall(pbuf_t* pbuf, const pbuf_t* tail);
+
 void
 pbuf_putat(pbuf_t* pbuf, int ix, void* obj);