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Diffstat (limited to 'sysdeps/unix/sysv/linux/sys/io.h')
-rw-r--r--sysdeps/unix/sysv/linux/sys/io.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/io.h b/sysdeps/unix/sysv/linux/sys/io.h
index 6f0b9aba14..6b4de65c9c 100644
--- a/sysdeps/unix/sysv/linux/sys/io.h
+++ b/sysdeps/unix/sysv/linux/sys/io.h
@@ -21,6 +21,8 @@ Cambridge, MA 02139, USA. */
#define _SYS_IO_H 1
#include <features.h>
+__BEGIN_DECLS
+
/* Get constants from kernel header files. */
#include <asm/io.h>
@@ -39,4 +41,6 @@ extern int ioperm __P ((unsigned long int __from, unsigned long int __num,
privileges. */
extern int iopl __P ((int __level));
+__END_DECLS
+
#endif /* _SYS_IO_H */