diff --git a/src/core/ngx_array.h b/src/core/ngx_array.h
new file mode 100644
index 0000000..d110b76
--- /dev/null
+++ b/src/core/ngx_array.h
@@ -0,0 +1,23 @@
+#ifndef _NGX_ARRAY_H_INCLUDED_
+#define _NGX_ARRAY_H_INCLUDED_
+
+
+#include <ngx_config.h>
+
+#include <ngx_alloc.h>
+
+typedef struct {
+    char       *elts;
+    int         nelts;
+    size_t      size;
+    int         nalloc;
+    ngx_pool_t *pool;
+} ngx_array_t;
+
+
+ngx_array_t *ngx_create_array(ngx_pool_t *p, int n, size_t size);
+void ngx_destroy_array(ngx_array_t *a);
+void *ngx_push_array(ngx_array_t *a);
+
+
+#endif /* _NGX_ARRAY_H_INCLUDED_ */