6 files changed, 6 insertions, 0 deletions
diff --git a/lib/libc/err/err.c b/lib/libc/err/err.c
index 5b1b2b02..95e079d5 100644
--- a/lib/libc/err/err.c
+++ b/lib/libc/err/err.c
@@ -1,3 +1,4 @@
+#include "sys/cdefs.h"
 #include <err.h>
 #include <stdarg.h>
 
diff --git a/lib/libc/err/errx.c b/lib/libc/err/errx.c
index 0afe999e..ab9c609d 100644
--- a/lib/libc/err/errx.c
+++ b/lib/libc/err/errx.c
@@ -1,3 +1,4 @@
+#include "sys/cdefs.h"
 #include <err.h>
 #include <stdarg.h>
 
diff --git a/lib/libc/err/verr.c b/lib/libc/err/verr.c
index d769c15c..75023ab3 100644
--- a/lib/libc/err/verr.c
+++ b/lib/libc/err/verr.c
@@ -1,3 +1,4 @@
+#include "sys/cdefs.h"
 #include <err.h>
 #include <stdarg.h>
 #include <stdlib.h>
diff --git a/lib/libc/err/verrx.c b/lib/libc/err/verrx.c
index d769c15c..75023ab3 100644
--- a/lib/libc/err/verrx.c
+++ b/lib/libc/err/verrx.c
@@ -1,3 +1,4 @@
+#include "sys/cdefs.h"
 #include <err.h>
 #include <stdarg.h>
 #include <stdlib.h>
diff --git a/lib/libc/err/vwarn.c b/lib/libc/err/vwarn.c
index 2f485d93..c90286fb 100644
--- a/lib/libc/err/vwarn.c
+++ b/lib/libc/err/vwarn.c
@@ -1,3 +1,4 @@
+#include "stddef.h"
 #include <stdarg.h>
 #include <stdio.h>
 
diff --git a/lib/libc/err/vwarnx.c b/lib/libc/err/vwarnx.c
index 2f485d93..c90286fb 100644
--- a/lib/libc/err/vwarnx.c
+++ b/lib/libc/err/vwarnx.c
@@ -1,3 +1,4 @@
+#include "stddef.h"
 #include <stdarg.h>
 #include <stdio.h>