text: /* Compatibility header for old-style Unix parameters and limits.
     Copyright (C) 1995-2018 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; if not, see
     <http://www.gnu.org/licenses/>.  */
  
  #ifndef _SYS_PARAM_H
  #define _SYS_PARAM_H    1
  
  #define __need_NULL
  #include <stddef.h>
  
  #include <sys/types.h>
  #include <limits.h>
  #include <endian.h>                     /* Define BYTE_ORDER et al.  */
  #include <signal.h>                     /* Define NSIG.  */
  
  /* This file defines some things in system-specific ways.  */
  #include <bits/param.h>
  
  
  /* BSD names for some <limits.h> values.  */
  
  #define NBBY		CHAR_BIT
  
  #if !defined NGROUPS && defined NGROUPS_MAX
  # define NGROUPS	NGROUPS_MAX
  #endif
  #if !defined MAXSYMLINKS && defined SYMLOOP_MAX
  # define MAXSYMLINKS	SYMLOOP_MAX
  #endif
  #if !defined CANBSIZ && defined MAX_CANON
  # define CANBSIZ	MAX_CANON
  #endif
  #if !defined MAXPATHLEN && defined PATH_MAX
  # define MAXPATHLEN	PATH_MAX
  #endif
  #if !defined NOFILE && defined OPEN_MAX
  # define NOFILE		OPEN_MAX
  #endif
  #if !defined MAXHOSTNAMELEN && defined HOST_NAME_MAX
  # define MAXHOSTNAMELEN	HOST_NAME_MAX
  #endif
  #ifndef NCARGS
  # ifdef ARG_MAX
  #  define NCARGS	ARG_MAX
  # else
  /* ARG_MAX is unlimited, but we define NCARGS for BSD programs that want to
     compare against some fixed limit.  */
  # define NCARGS		INT_MAX
  # endif
  #endif
  
  
  /* Magical constants.  */
  #ifndef NOGROUP
  # define NOGROUP	65535     /* Marker for empty group set member.  */
  #endif
  #ifndef NODEV
  # define NODEV		((dev_t) -1)    /* Non-existent device.  */
  #endif
  
  
  /* Unit of `st_blocks'.  */
  #ifndef DEV_BSIZE
  # define DEV_BSIZE	512
  #endif
  
  
  /* Bit map related macros.  */
  #define setbit(a,i)     ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
  #define clrbit(a,i)     ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
  #define isset(a,i)      ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
  #define isclr(a,i)      (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
  
  /* Macros for counting and rounding.  */
  #ifndef howmany
  # define howmany(x, y)  (((x) + ((y) - 1)) / (y))
  #endif
  #ifdef __GNUC__
  # define roundup(x, y)  (__builtin_constant_p (y) && powerof2 (y)             \
                           ? (((x) + (y) - 1) & ~((y) - 1))                     \
                           : ((((x) + ((y) - 1)) / (y)) * (y)))
  #else
  # define roundup(x, y)  ((((x) + ((y) - 1)) / (y)) * (y))
  #endif
  #define powerof2(x)     ((((x) - 1) & (x)) == 0)
  
  /* Macros for min/max.  */
  #define MIN(a,b) (((a)<(b))?(a):(b))
  #define MAX(a,b) (((a)>(b))?(a):(b))
  
  
  #endif  /* sys/param.h */
  