On Mon, Jul 27, 2026 at 02:46:10PM +0200, Claudio Jeker wrote:
> With the use of TCP_INFO and struct tcp_info none of those kernel internal
> headers are needed anymore.
> 
> Code still compiles for me.

include-what-you-use shows some more

Index: tcpbench.c
===================================================================
RCS file: /cvs/src/usr.bin/tcpbench/tcpbench.c,v
diff -u -p -r1.76 tcpbench.c
--- tcpbench.c	6 Dec 2025 09:48:30 -0000	1.76
+++ tcpbench.c	27 Jul 2026 12:54:47 -0000
@@ -20,22 +20,13 @@
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/socket.h>
-#include <sys/socketvar.h>
 #include <sys/resource.h>
 #include <sys/queue.h>
 #include <sys/un.h>
 
-#include <net/route.h>
-
 #include <netinet/in.h>
 #include <netinet/ip.h>
 #include <netinet/tcp.h>
-#include <netinet/tcp_timer.h>
-#include <netinet/tcp_fsm.h>
-#include <netinet/in_pcb.h>
-#include <netinet/tcp_var.h>
-
-#include <arpa/inet.h>
 
 #include <unistd.h>
 #include <limits.h>
@@ -49,14 +40,8 @@
 #include <err.h>
 #include <fcntl.h>
 #include <poll.h>
-#include <paths.h>
 #include <math.h>
 #include <tls.h>
-
-#include <openssl/evp.h>
-#include <openssl/rsa.h>
-#include <openssl/pem.h>
-#include <openssl/x509.h>
 
 #define DEFAULT_PORT "12345"
 #define DEFAULT_STATS_INTERVAL 1000 /* ms */