Make internal header file names consistent

Libcrypto currently has a mess of *_lcl.h, *_locl.h, and *_local.h names
used for internal headers. Move all these headers we inherited from
OpenSSL to *_local.h, reserving the name *_internal.h for our own code.
Similarly, move dtls_locl.h and ssl_locl.h to dtls_local and ssl_local.h.
constant_time_locl.h is moved to constant_time.h since it's special.

Adjust all .c files in libcrypto, libssl and regress.

The diff is mechanical with the exception of tls13_quic.c, where
#include <ssl_locl.h> was fixed manually.

discussed with jsing,
no objection bcook

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bn/bn_exp.c b/src/lib/libcrypto/bn/bn_exp.c
index 3bb0dd1304..e36eeff6bf 100644
--- a/src/lib/libcrypto/bn/bn_exp.c
+++ b/src/lib/libcrypto/bn/bn_exp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_exp.c,v 1.34 2022/11/26 13:56:33 jsing Exp $ */
+/* $OpenBSD: bn_exp.c,v 1.35 2022/11/26 16:08:51 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -114,8 +114,8 @@
 
 #include <openssl/err.h>
 
-#include "bn_lcl.h"
-#include "constant_time_locl.h"
+#include "bn_local.h"
+#include "constant_time.h"
 
 /* maximum precomputation table size for *variable* sliding windows */
 #define TABLE_SIZE      32