# pragma once
# include <openssl/macros.h>
-# if !OPENSSL_API_3
+# ifndef OPENSSL_NO_DEPRECATED_3_0
# define HEADER_BUFFER_H
# endif
# include <stddef.h>
# include <sys/types.h>
-# if !OPENSSL_API_3
+# ifndef OPENSSL_NO_DEPRECATED_3_0
# define BUF_strdup(s) OPENSSL_strdup(s)
# define BUF_strndup(s, size) OPENSSL_strndup(s, size)
# define BUF_memdup(data, size) OPENSSL_memdup(data, size)