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      1 /* Copyright (C) 1996, 1999, 2001 Free Software Foundation, Inc.
      2    This file is part of the GNU C Library.
      3 
      4    The GNU C Library is free software; you can redistribute it and/or
      5    modify it under the terms of the GNU Lesser General Public
      6    License as published by the Free Software Foundation; either
      7    version 2.1 of the License, or (at your option) any later version.
      8 
      9    The GNU C Library is distributed in the hope that it will be useful,
     10    but WITHOUT ANY WARRANTY; without even the implied warranty of
     11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12    Lesser General Public License for more details.
     13 
     14    You should have received a copy of the GNU Lesser General Public
     15    License along with the GNU C Library; if not, write to the Free
     16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     17    02111-1307 USA.  */
     18 
     19 #ifndef _SYS_PERM_H
     20 
     21 #define _SYS_PERM_H	1
     22 #include <features.h>
     23 
     24 __BEGIN_DECLS
     25 
     26 /* Set port input/output permissions.  */
     27 extern int ioperm (unsigned long int __from, unsigned long int __num,
     28 		   int __turn_on) __THROW;
     29 
     30 
     31 /* Change I/O privilege level.  */
     32 extern int iopl (int __level) __THROW;
     33 
     34 __END_DECLS
     35 
     36 #endif	/* _SYS_PERM_H */
     37