X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=apps%2Fapps.h;fp=apps%2Fapps.h;h=272b967d18a08556f0ef0972e4d2099355095c8f;hb=39556e63ef6c079d144b07d7f492152abf9efe77;hp=a740ad4599a745c1ea562fa041c7ffd3ad6c395e;hpb=3cb413da197c26c4520cbf08e5d4542637a90a4e;p=openssl.git

diff --git a/apps/apps.h b/apps/apps.h
index a740ad4599..272b967d18 100644
--- a/apps/apps.h
+++ b/apps/apps.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -48,6 +48,14 @@ extern const unsigned char tls13_aes128gcmsha256_id[];
 extern const unsigned char tls13_aes256gcmsha384_id[];
 extern BIO_ADDR *ourpeer;
 
+BIO_METHOD *apps_bf_prefix(void);
+/*
+ * The control used to set the prefix with BIO_ctrl()
+ * We make it high enough so the chance of ever clashing with the BIO library
+ * remains unlikely for the foreseeable future and beyond.
+ */
+#define PREFIX_CTRL_SET_PREFIX  (1 << 15)
+
 BIO *dup_bio_in(int format);
 BIO *dup_bio_out(int format);
 BIO *dup_bio_err(int format);