Add prototypes for port access functions.

diff --git a/sysdeps/unix/sysv/linux/alpha/sys/io.h b/sysdeps/unix/sysv/linux/alpha/sys/io.h
index 08dd10637ed08907d27840b520a3b648ae331450..ef22c4511e5e5c263c3015f42fd77089705bcb51 100644 (file)
--- a/sysdeps/unix/sysv/linux/alpha/sys/io.h
+++ b/sysdeps/unix/sysv/linux/alpha/sys/io.h
@@ -17,8 +17,8 @@
    Boston, MA 02111-1307, USA.  */
 
 #ifndef        _SYS_IO_H
-
 #define        _SYS_IO_H       1
+
 #include <features.h>
 
 __BEGIN_DECLS
@@ -63,6 +63,13 @@ extern int pciconfig_write __P ((unsigned long int __bus,
                                 unsigned long int __off,
                                 unsigned long int __len,
                                 unsigned char *__buf));
+/* Userspace declarations.  */
+extern unsigned int inb __P ((unsigned long __port));
+extern unsigned int inw __P ((unsigned long __port));
+extern unsigned int inl __P ((unsigned long __port));
+extern void outb __P ((unsigned char __b, unsigned long __port));
+extern void outw __P ((unsigned short __w, unsigned long __port));
+extern void outl __P ((unsigned int __l, unsigned long __port));
 
 __END_DECLS