diff -ur a/tests/regression/client/client.c b/tests/regression/client/client.c --- a/tests/regression/client/client.c 2022-04-22 06:59:42.455423399 +0000 +++ b/tests/regression/client/client.c 2022-04-22 07:00:15.356315251 +0000 @@ -26,6 +26,7 @@ #include <stdlib.h> #include <syscall.h> #include <sys/epoll.h> +#include <sys/socket.h> #include <sys/types.h> #include <sys/un.h> #include <unistd.h>