Add some functions and add functions with _failed suffix

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 3 insertions, 0 deletions

diff --git a/internal.h b/internal.h
index ccc4ebe..9f1119a 100644
--- a/internal.h
+++ b/internal.h
@@ -1,9 +1,12 @@
 /* See LICENSE file for copyright and license details. */
 #include "liberror-libc.h"
 
+#include <netinet/in.h>
 #include <sys/socket.h>
 #include <errno.h>
+#include <fcntl.h>
 #include <inttypes.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>