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Name	Size	Permission
a.out.h	268 B	-rw-r--r--
byteswap-16.h	1.69 KB	-rw-r--r--
byteswap.h	5.56 KB	-rw-r--r--
cmathcalls.h	4.7 KB	-rw-r--r--
confname.h	23.19 KB	-rw-r--r--
dirent.h	1.69 KB	-rw-r--r--
dlfcn.h	2.47 KB	-rw-r--r--
elfclass.h	426 B	-rw-r--r--
endian.h	176 B	-rw-r--r--
environments.h	3.5 KB	-rw-r--r--
epoll.h	1.11 KB	-rw-r--r--
errno.h	2.11 KB	-rw-r--r--
error.h	2.62 KB	-rw-r--r--
eventfd.h	1.1 KB	-rw-r--r--
fcntl-linux.h	12.55 KB	-rw-r--r--
fcntl.h	2.19 KB	-rw-r--r--
fcntl2.h	5.44 KB	-rw-r--r--
fenv.h	3.94 KB	-rw-r--r--
fenvinline.h	190 B	-rw-r--r--
huge_val.h	1.83 KB	-rw-r--r--
huge_valf.h	1.79 KB	-rw-r--r--
huge_vall.h	1.57 KB	-rw-r--r--
hwcap.h	966 B	-rw-r--r--
in.h	9.01 KB	-rw-r--r--
inf.h	1.03 KB	-rw-r--r--
initspin.h	25 B	-rw-r--r--
inotify.h	1.05 KB	-rw-r--r--
ioctl-types.h	2.41 KB	-rw-r--r--
ioctls.h	4.38 KB	-rw-r--r--
ipc.h	2.01 KB	-rw-r--r--
ipctypes.h	1.14 KB	-rw-r--r--
libc-lock.h	12.54 KB	-rw-r--r--
libio-ldbl.h	1014 B	-rw-r--r--
link.h	4.2 KB	-rw-r--r--
local_lim.h	3.13 KB	-rw-r--r--
locale.h	1.33 KB	-rw-r--r--
math-finite.h	14.24 KB	-rw-r--r--
mathcalls.h	11.3 KB	-rw-r--r--
mathdef.h	2.14 KB	-rw-r--r--
mathinline.h	30.86 KB	-rw-r--r--
mman.h	4.78 KB	-rw-r--r--
monetary-ldbl.h	1.02 KB	-rw-r--r--
mqueue.h	1.22 KB	-rw-r--r--
mqueue2.h	2.11 KB	-rw-r--r--
msq.h	2.47 KB	-rw-r--r--
nan.h	1.54 KB	-rw-r--r--
netdb.h	1.25 KB	-rw-r--r--
param.h	1.4 KB	-rw-r--r--
poll.h	2.04 KB	-rw-r--r--
poll2.h	2.86 KB	-rw-r--r--
posix1_lim.h	4.81 KB	-rw-r--r--
posix2_lim.h	2.82 KB	-rw-r--r--
posix_opt.h	5.65 KB	-rw-r--r--
printf-ldbl.h	986 B	-rw-r--r--
pthreadtypes.h	6.33 KB	-rw-r--r--
resource.h	9.21 KB	-rw-r--r--
sched.h	7.37 KB	-rw-r--r--
select.h	2.08 KB	-rw-r--r--
select2.h	1.4 KB	-rw-r--r--
sem.h	2.53 KB	-rw-r--r--
semaphore.h	1.21 KB	-rw-r--r--
setjmp.h	1.26 KB	-rw-r--r--
setjmp2.h	1.67 KB	-rw-r--r--
shm.h	3.44 KB	-rw-r--r--
sigaction.h	2.79 KB	-rw-r--r--
sigcontext.h	4.08 KB	-rw-r--r--
siginfo.h	9.81 KB	-rw-r--r--
signalfd.h	1.04 KB	-rw-r--r--
signum.h	3.34 KB	-rw-r--r--
sigset.h	4.48 KB	-rw-r--r--
sigstack.h	1.49 KB	-rw-r--r--
sigthread.h	1.64 KB	-rw-r--r--
sockaddr.h	1.5 KB	-rw-r--r--
socket.h	12.6 KB	-rw-r--r--
socket2.h	2.95 KB	-rw-r--r--
socket_type.h	2.16 KB	-rw-r--r--
stab.def	8.82 KB	-rw-r--r--
stat.h	7.46 KB	-rw-r--r--
statfs.h	1.89 KB	-rw-r--r--
statvfs.h	3.34 KB	-rw-r--r--
stdio-ldbl.h	3.11 KB	-rw-r--r--
stdio-lock.h	2.14 KB	-rw-r--r--
stdio.h	5.45 KB	-rw-r--r--
stdio2.h	12.36 KB	-rw-r--r--
stdio_lim.h	1.34 KB	-rw-r--r--
stdlib-float.h	1.12 KB	-rw-r--r--
stdlib-ldbl.h	1.36 KB	-rw-r--r--
stdlib.h	5.53 KB	-rw-r--r--
string.h	56.48 KB	-rw-r--r--
string2.h	46.08 KB	-rw-r--r--
string3.h	4.38 KB	-rw-r--r--
sys_errlist.h	1.19 KB	-rw-r--r--
syscall.h	43.03 KB	-rw-r--r--
sysctl.h	893 B	-rw-r--r--
syslog-ldbl.h	1.17 KB	-rw-r--r--
syslog-path.h	1.03 KB	-rw-r--r--
syslog.h	1.66 KB	-rw-r--r--
termios.h	5.23 KB	-rw-r--r--
time.h	3.35 KB	-rw-r--r--
timerfd.h	1.08 KB	-rw-r--r--
timex.h	4.36 KB	-rw-r--r--
types.h	7.55 KB	-rw-r--r--
typesizes.h	3.15 KB	-rw-r--r--
uio.h	2.42 KB	-rw-r--r--
unistd.h	13.07 KB	-rw-r--r--
ustat.h	1.06 KB	-rw-r--r--
utmp.h	3.87 KB	-rw-r--r--
utmpx.h	3.38 KB	-rw-r--r--
utsname.h	1.19 KB	-rw-r--r--
waitflags.h	1.61 KB	-rw-r--r--
waitstatus.h	3.49 KB	-rw-r--r--
wchar-ldbl.h	2.45 KB	-rw-r--r--
wchar.h	1.11 KB	-rw-r--r--
wchar2.h	20.04 KB	-rw-r--r--
wordsize.h	327 B	-rw-r--r--
xopen_lim.h	3.68 KB	-rw-r--r--

Code Editor : byteswap.h

/* Macros to swap the order of bytes in integer values.
   Copyright (C) 1997-2012   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/>.  */

#if !defined _BYTESWAP_H && !defined _NETINET_IN_H && !defined _ENDIAN_H
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif

#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1

#include <features.h>
#include <bits/types.h>
#include <bits/wordsize.h>

/* Swap bytes in 16 bit value.  */
#define __bswap_constant_16(x) \
     ((unsigned short int) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))

/* Get __bswap_16.  */
#include <bits/byteswap-16.h>

/* Swap bytes in 32 bit value.  */
#define __bswap_constant_32(x) \
     ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8) |		      \
      (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24))

#ifdef __GNUC__
# if __GNUC_PREREQ (4, 3)
static __inline unsigned int
__bswap_32 (unsigned int __bsx)
{
  return __builtin_bswap32 (__bsx);
}
# elif __GNUC__ >= 2
#  if __WORDSIZE == 64 || (defined __i486__ || defined __pentium__	      \
			   || defined __pentiumpro__ || defined __pentium4__  \
			   || defined __k8__ || defined __athlon__	      \
			   || defined __k6__ || defined __nocona__	      \
			   || defined __core2__ || defined __geode__	      \
			   || defined __amdfam10__)
/* To swap the bytes in a word the i486 processors and up provide the
   `bswap' opcode.  On i386 we have to use three instructions.  */
#   define __bswap_32(x) \
      (__extension__							      \
       ({ unsigned int __v, __x = (x);					      \
	  if (__builtin_constant_p (__x))				      \
	    __v = __bswap_constant_32 (__x);				      \
	  else								      \
	    __asm__ ("bswap %0" : "=r" (__v) : "0" (__x));		      \
	  __v; }))
#  else
#   define __bswap_32(x)						      \
      (__extension__							      \
       ({ unsigned int __v, __x = (x);					      \
	  if (__builtin_constant_p (__x))				      \
	    __v = __bswap_constant_32 (__x);				      \
	  else								      \
	    __asm__ ("rorw $8, %w0;"					      \
		     "rorl $16, %0;"					      \
		     "rorw $8, %w0"					      \
		     : "=r" (__v)					      \
		     : "0" (__x)					      \
		     : "cc");						      \
	  __v; }))
#  endif
# else
#  define __bswap_32(x) \
     (__extension__							      \
      ({ unsigned int __x = (x); __bswap_constant_32 (__x); }))
# endif
#else
static __inline unsigned int
__bswap_32 (unsigned int __bsx)
{
  return __bswap_constant_32 (__bsx);
}
#endif

#if __GNUC_PREREQ (2, 0)
/* Swap bytes in 64 bit value.  */
# define __bswap_constant_64(x) \
     (__extension__ ((((x) & 0xff00000000000000ull) >> 56)		      \
		     | (((x) & 0x00ff000000000000ull) >> 40)		      \
		     | (((x) & 0x0000ff0000000000ull) >> 24)		      \
		     | (((x) & 0x000000ff00000000ull) >> 8)		      \
		     | (((x) & 0x00000000ff000000ull) << 8)		      \
		     | (((x) & 0x0000000000ff0000ull) << 24)		      \
		     | (((x) & 0x000000000000ff00ull) << 40)		      \
		     | (((x) & 0x00000000000000ffull) << 56)))

# if __GNUC_PREREQ (4, 3)
static __inline __uint64_t
__bswap_64 (__uint64_t __bsx)
{
  return __builtin_bswap64 (__bsx);
}
# elif __WORDSIZE == 64
#  define __bswap_64(x) \
     (__extension__							      \
      ({ __uint64_t __v, __x = (x);					      \
	 if (__builtin_constant_p (__x))				      \
	   __v = __bswap_constant_64 (__x);				      \
	 else								      \
	   __asm__ ("bswap %q0" : "=r" (__v) : "0" (__x));		      \
	 __v; }))
# else
#  define __bswap_64(x) \
     (__extension__                                                           \
      ({ union { __extension__ __uint64_t __ll;		                      \
		 unsigned int __l[2]; } __w, __r;                             \
	 if (__builtin_constant_p (x))                                        \
	   __r.__ll = __bswap_constant_64 (x);                                \
	 else                                                                 \
	   {                                                                  \
	     __w.__ll = (x);                                                  \
	     __r.__l[0] = __bswap_32 (__w.__l[1]);                            \
	     __r.__l[1] = __bswap_32 (__w.__l[0]);                            \
	   }                                                                  \
	 __r.__ll; }))
# endif
#elif __GLIBC_HAVE_LONG_LONG
# define __bswap_constant_64(x) \
     ((((x) & 0xff00000000000000ull) >> 56)				      \
      | (((x) & 0x00ff000000000000ull) >> 40)				      \
      | (((x) & 0x0000ff0000000000ull) >> 24)				      \
      | (((x) & 0x000000ff00000000ull) >> 8)				      \
      | (((x) & 0x00000000ff000000ull) << 8)				      \
      | (((x) & 0x0000000000ff0000ull) << 24)				      \
      | (((x) & 0x000000000000ff00ull) << 40)				      \
      | (((x) & 0x00000000000000ffull) << 56))

static __inline __uint64_t
__bswap_64 (__uint64_t __bsx)
{
  return __bswap_constant_64 (__bsx);
}
#endif

#endif /* _BITS_BYTESWAP_H */

${this.title}

Code Editor : byteswap.h