Ensure header files using __BEGIN_DECLS include sys/cdefs.h.
We keep fixing these one-by-one; let's fix them all at once.
Found thus:
find . -name *.h | xargs grep -L sys/cdefs.h | xargs grep -l BEGIN_DECL | xargs grep -L sys/types
Change-Id: I188842aa2484dc6176e96556d57c38a0f785b59b
diff --git a/libc/include/mntent.h b/libc/include/mntent.h
index b83da1f..8b87f71 100644
--- a/libc/include/mntent.h
+++ b/libc/include/mntent.h
@@ -29,6 +29,7 @@
#define _MNTENT_H_
#include <stdio.h>
+#include <sys/cdefs.h>
#define MNTTYPE_IGNORE "ignore"
diff --git a/libc/include/netinet/in.h b/libc/include/netinet/in.h
index c5b964e..bf3b498 100644
--- a/libc/include/netinet/in.h
+++ b/libc/include/netinet/in.h
@@ -29,11 +29,13 @@
#define _NETINET_IN_H_
#include <endian.h>
+#include <netinet/in6.h>
+#include <sys/cdefs.h>
#include <sys/socket.h>
+
#include <linux/in.h>
#include <linux/in6.h>
#include <linux/ipv6.h>
-#include <netinet/in6.h>
__BEGIN_DECLS
diff --git a/libc/include/sys/auxv.h b/libc/include/sys/auxv.h
index 918442f..0d753c3 100644
--- a/libc/include/sys/auxv.h
+++ b/libc/include/sys/auxv.h
@@ -29,6 +29,7 @@
#define _SYS_AUXV_H_
#include <linux/auxvec.h>
+#include <sys/cdefs.h>
__BEGIN_DECLS
diff --git a/libc/include/sys/signalfd.h b/libc/include/sys/signalfd.h
index c03a0e9..a249d65 100644
--- a/libc/include/sys/signalfd.h
+++ b/libc/include/sys/signalfd.h
@@ -29,8 +29,9 @@
#ifndef _SYS_SIGNALFD_H_
#define _SYS_SIGNALFD_H_
-#include <signal.h>
#include <linux/signalfd.h>
+#include <signal.h>
+#include <sys/cdefs.h>
__BEGIN_DECLS
diff --git a/libc/include/sys/timeb.h b/libc/include/sys/timeb.h
index f2cc39c..cf6f255 100644
--- a/libc/include/sys/timeb.h
+++ b/libc/include/sys/timeb.h
@@ -28,6 +28,7 @@
#ifndef _SYS_TIMEB_H
#define _SYS_TIMEB_H
+#include <sys/cdefs.h>
#include <sys/time.h>
__BEGIN_DECLS