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Name	Size	Permission	Date
types	[ DIR ]	drwxr-xr-x	2026-05-06 08:51
a.out.h	268 B	-rw-r--r--	2026-05-05 10:52
byteswap.h	2.39 KB	-rw-r--r--	2026-05-05 10:52
cmathcalls.h	4.04 KB	-rw-r--r--	2026-05-05 10:52
confname.h	23.15 KB	-rw-r--r--	2026-05-05 10:52
cpu-set.h	4.41 KB	-rw-r--r--	2026-05-05 10:52
dirent.h	1.73 KB	-rw-r--r--	2026-05-05 10:52
dlfcn.h	2.46 KB	-rw-r--r--	2026-05-05 10:52
elfclass.h	426 B	-rw-r--r--	2026-05-05 10:52
endian.h	176 B	-rw-r--r--	2026-05-05 10:52
environments.h	3.7 KB	-rw-r--r--	2026-05-05 10:52
epoll.h	1.04 KB	-rw-r--r--	2026-05-05 10:52
errno.h	1.39 KB	-rw-r--r--	2026-05-05 10:52
error.h	2.62 KB	-rw-r--r--	2026-05-05 10:52
eventfd.h	1.1 KB	-rw-r--r--	2026-05-05 10:52
fcntl-linux.h	13.39 KB	-rw-r--r--	2026-05-05 10:52
fcntl.h	2.19 KB	-rw-r--r--	2026-05-05 10:52
fcntl2.h	5.44 KB	-rw-r--r--	2026-05-05 10:52
fenv.h	4.5 KB	-rw-r--r--	2026-05-05 10:52
fenvinline.h	190 B	-rw-r--r--	2026-05-05 10:52
floatn-common.h	9.54 KB	-rw-r--r--	2026-05-05 10:52
floatn.h	4.27 KB	-rw-r--r--	2026-05-05 10:52
flt-eval-method.h	1.19 KB	-rw-r--r--	2026-05-05 10:52
fp-fast.h	1.19 KB	-rw-r--r--	2026-05-05 10:52
fp-logb.h	1011 B	-rw-r--r--	2026-05-05 10:52
getopt_core.h	3.58 KB	-rw-r--r--	2026-05-05 10:52
getopt_ext.h	2.97 KB	-rw-r--r--	2026-05-05 10:52
getopt_posix.h	1.77 KB	-rw-r--r--	2026-05-05 10:52
hwcap.h	971 B	-rw-r--r--	2026-05-05 10:52
in.h	9.24 KB	-rw-r--r--	2026-05-05 10:52
indirect-return.h	1.55 KB	-rw-r--r--	2026-05-05 10:52
initspin.h	25 B	-rw-r--r--	2026-05-05 10:52
inotify.h	1.05 KB	-rw-r--r--	2026-05-05 10:52
ioctl-types.h	2.4 KB	-rw-r--r--	2026-05-05 10:52
ioctls.h	4.37 KB	-rw-r--r--	2026-05-05 10:52
ipc.h	2.02 KB	-rw-r--r--	2026-05-05 10:52
ipctypes.h	1.15 KB	-rw-r--r--	2026-05-05 10:52
iscanonical.h	2.42 KB	-rw-r--r--	2026-05-05 10:52
libc-header-start.h	2.55 KB	-rw-r--r--	2026-05-05 10:52
libm-simd-decl-stubs.h	2.93 KB	-rw-r--r--	2026-05-05 10:52
link.h	4.18 KB	-rw-r--r--	2026-05-05 10:52
link_lavcurrent.h	1.07 KB	-rw-r--r--	2026-05-05 10:52
local_lim.h	3.11 KB	-rw-r--r--	2026-05-05 10:52
locale.h	1.33 KB	-rw-r--r--	2026-05-05 10:52
long-double.h	923 B	-rw-r--r--	2026-05-05 10:52
math-finite.h	5.25 KB	-rw-r--r--	2026-05-05 10:52
math-vector.h	2.25 KB	-rw-r--r--	2026-05-05 10:52
mathcalls-helper-functions.h	1.72 KB	-rw-r--r--	2026-05-05 10:52
mathcalls-narrow.h	1.28 KB	-rw-r--r--	2026-05-05 10:52
mathcalls.h	12.79 KB	-rw-r--r--	2026-05-05 10:52
mathdef.h	890 B	-rw-r--r--	2026-05-05 10:52
mathinline.h	12.71 KB	-rw-r--r--	2026-05-05 10:52
mman-linux.h	4.78 KB	-rw-r--r--	2026-05-05 10:52
mman-shared.h	2.67 KB	-rw-r--r--	2026-05-05 10:52
mman.h	2.01 KB	-rw-r--r--	2026-05-05 10:52
monetary-ldbl.h	1.02 KB	-rw-r--r--	2026-05-05 10:52
mqueue.h	1.22 KB	-rw-r--r--	2026-05-05 10:52
mqueue2.h	2.1 KB	-rw-r--r--	2026-05-05 10:52
msq.h	2.58 KB	-rw-r--r--	2026-05-05 10:52
netdb.h	1.23 KB	-rw-r--r--	2026-05-05 10:52
param.h	1.4 KB	-rw-r--r--	2026-05-05 10:52
poll.h	2.03 KB	-rw-r--r--	2026-05-05 10:52
poll2.h	2.43 KB	-rw-r--r--	2026-05-05 10:52
posix1_lim.h	5.07 KB	-rw-r--r--	2026-05-05 10:52
posix2_lim.h	2.8 KB	-rw-r--r--	2026-05-05 10:52
posix_opt.h	5.63 KB	-rw-r--r--	2026-05-05 10:52
printf-ldbl.h	991 B	-rw-r--r--	2026-05-05 10:52
pthreadtypes-arch.h	3.21 KB	-rw-r--r--	2026-05-05 10:52
pthreadtypes.h	3 KB	-rw-r--r--	2026-05-05 10:52
ptrace-shared.h	2.83 KB	-rw-r--r--	2026-05-05 10:52
resource.h	6.15 KB	-rw-r--r--	2026-05-05 10:52
sched.h	3.66 KB	-rw-r--r--	2026-05-05 10:52
select.h	2.06 KB	-rw-r--r--	2026-05-05 10:52
select2.h	1.4 KB	-rw-r--r--	2026-05-05 10:52
sem.h	2.56 KB	-rw-r--r--	2026-05-05 10:52
semaphore.h	1.21 KB	-rw-r--r--	2026-05-05 10:52
setjmp.h	1.26 KB	-rw-r--r--	2026-05-05 10:52
setjmp2.h	1.66 KB	-rw-r--r--	2026-05-05 10:52
shm.h	3.51 KB	-rw-r--r--	2026-05-05 10:52
sigaction.h	2.87 KB	-rw-r--r--	2026-05-05 10:52
sigcontext.h	4.16 KB	-rw-r--r--	2026-05-05 10:52
sigevent-consts.h	1.44 KB	-rw-r--r--	2026-05-05 10:52
siginfo-arch.h	729 B	-rw-r--r--	2026-05-05 10:52
siginfo-consts-arch.h	204 B	-rw-r--r--	2026-05-05 10:52
siginfo-consts.h	5.83 KB	-rw-r--r--	2026-05-05 10:52
signalfd.h	1.04 KB	-rw-r--r--	2026-05-05 10:52
signum-generic.h	4.24 KB	-rw-r--r--	2026-05-05 10:52
signum.h	1.59 KB	-rw-r--r--	2026-05-05 10:52
sigstack.h	1.14 KB	-rw-r--r--	2026-05-05 10:52
sigthread.h	1.65 KB	-rw-r--r--	2026-05-05 10:52
sockaddr.h	1.48 KB	-rw-r--r--	2026-05-05 10:52
socket.h	15.2 KB	-rw-r--r--	2026-05-05 10:52
socket2.h	2.96 KB	-rw-r--r--	2026-05-05 10:52
socket_type.h	2.16 KB	-rw-r--r--	2026-05-05 10:52
ss_flags.h	1.16 KB	-rw-r--r--	2026-05-05 10:52
stab.def	8.83 KB	-rw-r--r--	2026-05-05 10:52
stat.h	7.44 KB	-rw-r--r--	2026-05-05 10:52
statfs.h	1.87 KB	-rw-r--r--	2026-05-05 10:52
statvfs.h	3.34 KB	-rw-r--r--	2026-05-05 10:52
statx-generic.h	2 KB	-rw-r--r--	2026-05-05 10:52
statx.h	1.37 KB	-rw-r--r--	2026-05-05 10:52
stdint-intn.h	1.01 KB	-rw-r--r--	2026-05-05 10:52
stdint-uintn.h	1.02 KB	-rw-r--r--	2026-05-05 10:52
stdio-ldbl.h	2.94 KB	-rw-r--r--	2026-05-05 10:52
stdio.h	5.46 KB	-rw-r--r--	2026-05-05 10:52
stdio2.h	12.25 KB	-rw-r--r--	2026-05-05 10:52
stdio_lim.h	1.18 KB	-rw-r--r--	2026-05-05 10:52
stdlib-bsearch.h	1.34 KB	-rw-r--r--	2026-05-05 10:52
stdlib-float.h	1.09 KB	-rw-r--r--	2026-05-05 10:52
stdlib-ldbl.h	1.34 KB	-rw-r--r--	2026-05-05 10:52
stdlib.h	4.95 KB	-rw-r--r--	2026-05-05 10:52
string_fortified.h	4.57 KB	-rw-r--r--	2026-05-05 10:52
strings_fortified.h	1.21 KB	-rw-r--r--	2026-05-05 10:52
sys_errlist.h	1.19 KB	-rw-r--r--	2026-05-05 10:52
syscall.h	44.59 KB	-rw-r--r--	2026-05-05 10:52
sysctl.h	898 B	-rw-r--r--	2026-05-05 10:52
syslog-ldbl.h	1.18 KB	-rw-r--r--	2026-05-05 10:52
syslog-path.h	1.04 KB	-rw-r--r--	2026-05-05 10:52
syslog.h	1.64 KB	-rw-r--r--	2026-05-05 10:52
sysmacros.h	2.88 KB	-rw-r--r--	2026-05-05 10:52
termios.h	5.24 KB	-rw-r--r--	2026-05-05 10:52
thread-shared-types.h	6.58 KB	-rw-r--r--	2026-05-05 10:52
time.h	2.93 KB	-rw-r--r--	2026-05-05 10:52
timerfd.h	1.08 KB	-rw-r--r--	2026-05-05 10:52
timex.h	4.49 KB	-rw-r--r--	2026-05-05 10:52
types.h	8.14 KB	-rw-r--r--	2026-05-05 10:52
typesizes.h	3.32 KB	-rw-r--r--	2026-05-05 10:52
uintn-identity.h	1.5 KB	-rw-r--r--	2026-05-05 10:52
uio-ext.h	1.88 KB	-rw-r--r--	2026-05-05 10:52
uio_lim.h	1.35 KB	-rw-r--r--	2026-05-05 10:52
unistd.h	10.56 KB	-rw-r--r--	2026-05-05 10:52
utmp.h	3.97 KB	-rw-r--r--	2026-05-05 10:52
utmpx.h	3.49 KB	-rw-r--r--	2026-05-05 10:52
utsname.h	1.18 KB	-rw-r--r--	2026-05-05 10:52
waitflags.h	1.66 KB	-rw-r--r--	2026-05-05 10:52
waitstatus.h	2.23 KB	-rw-r--r--	2026-05-05 10:52
wchar-ldbl.h	2.37 KB	-rw-r--r--	2026-05-05 10:52
wchar.h	1.86 KB	-rw-r--r--	2026-05-05 10:52
wchar2.h	17.79 KB	-rw-r--r--	2026-05-05 10:52
wctype-wchar.h	6.15 KB	-rw-r--r--	2026-05-05 10:52
wordsize.h	442 B	-rw-r--r--	2026-05-05 10:52
xopen_lim.h	3.77 KB	-rw-r--r--	2026-05-05 10:52

Rename

/* Copyright (C) 1997-2018 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 _FENV_H
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif

/* Define bits representing the exception.  We use the bit positions
   of the appropriate bits in the FPU control word.  */
enum
  {
    FE_INVALID =
#define FE_INVALID	0x01
      FE_INVALID,
    __FE_DENORM = 0x02,
    FE_DIVBYZERO =
#define FE_DIVBYZERO	0x04
      FE_DIVBYZERO,
    FE_OVERFLOW =
#define FE_OVERFLOW	0x08
      FE_OVERFLOW,
    FE_UNDERFLOW =
#define FE_UNDERFLOW	0x10
      FE_UNDERFLOW,
    FE_INEXACT =
#define FE_INEXACT	0x20
      FE_INEXACT
  };

#define FE_ALL_EXCEPT \
	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)

/* The ix87 FPU supports all of the four defined rounding modes.  We
   use again the bit positions in the FPU control word as the values
   for the appropriate macros.  */
enum
  {
    FE_TONEAREST =
#define FE_TONEAREST	0
      FE_TONEAREST,
    FE_DOWNWARD =
#define FE_DOWNWARD	0x400
      FE_DOWNWARD,
    FE_UPWARD =
#define FE_UPWARD	0x800
      FE_UPWARD,
    FE_TOWARDZERO =
#define FE_TOWARDZERO	0xc00
      FE_TOWARDZERO
  };

/* Type representing exception flags.  */
typedef unsigned short int fexcept_t;

/* Type representing floating-point environment.  This structure
   corresponds to the layout of the block written by the `fstenv'
   instruction and has additional fields for the contents of the MXCSR
   register as written by the `stmxcsr' instruction.  */
typedef struct
  {
    unsigned short int __control_word;
    unsigned short int __glibc_reserved1;
    unsigned short int __status_word;
    unsigned short int __glibc_reserved2;
    unsigned short int __tags;
    unsigned short int __glibc_reserved3;
    unsigned int __eip;
    unsigned short int __cs_selector;
    unsigned int __opcode:11;
    unsigned int __glibc_reserved4:5;
    unsigned int __data_offset;
    unsigned short int __data_selector;
    unsigned short int __glibc_reserved5;
#ifdef __x86_64__
    unsigned int __mxcsr;
#endif
  }
fenv_t;

/* If the default argument is used we use this value.  */
#define FE_DFL_ENV	((const fenv_t *) -1)

#ifdef __USE_GNU
/* Floating-point environment where none of the exception is masked.  */
# define FE_NOMASK_ENV	((const fenv_t *) -2)
#endif

#if __GLIBC_USE (IEC_60559_BFP_EXT)
/* Type representing floating-point control modes.  */
typedef struct
  {
    unsigned short int __control_word;
    unsigned short int __glibc_reserved;
    unsigned int __mxcsr;
  }
femode_t;

/* Default floating-point control modes.  */
# define FE_DFL_MODE	((const femode_t *) -1L)
#endif

#ifdef __USE_EXTERN_INLINES
__BEGIN_DECLS

/* Optimized versions.  */
#ifndef _LIBC
extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), feraiseexcept);
#endif
__extern_always_inline void
__NTH (__feraiseexcept_invalid_divbyzero (int __excepts))
{
  if ((FE_INVALID & __excepts) != 0)
    {
      /* One example of an invalid operation is 0.0 / 0.0.  */
      float __f = 0.0;

# ifdef __SSE_MATH__
      __asm__ __volatile__ ("divss %0, %0 " : "+x" (__f));
# else
      __asm__ __volatile__ ("fdiv %%st, %%st(0); fwait"
			    : "=t" (__f) : "0" (__f));
# endif
      (void) &__f;
    }
  if ((FE_DIVBYZERO & __excepts) != 0)
    {
      float __f = 1.0;
      float __g = 0.0;

# ifdef __SSE_MATH__
      __asm__ __volatile__ ("divss %1, %0" : "+x" (__f) : "x" (__g));
# else
      __asm__ __volatile__ ("fdivp %%st, %%st(1); fwait"
			    : "=t" (__f) : "0" (__f), "u" (__g) : "st(1)");
# endif
      (void) &__f;
    }
}
__extern_inline int
__NTH (feraiseexcept (int __excepts))
{
  if (__builtin_constant_p (__excepts)
      && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0)
    {
      __feraiseexcept_invalid_divbyzero (__excepts);
      return 0;
    }

return __feraiseexcept_renamed (__excepts);
}

__END_DECLS
#endif