golden hour

/usr/include

File/Folder	Size	Actions
FlexLexer.h	6.73 KB
GL	-
X11	-
a.out.h	4.25 KB
aio.h	7.56 KB
aliases.h	1.98 KB
alloca.h	1.17 KB
apache2	-
ar.h	1.69 KB
argp.h	24.95 KB
argz.h	5.91 KB
arpa	-
asm	-
asm-generic	-
assert.h	4.46 KB
autosprintf.h	2.36 KB
bind9	-
bits	-
blkid	-
brotli	-
bsock	-
byteswap.h	1.42 KB
bzlib.h	6.09 KB
c++	-
com_err.h	2.07 KB
complex.h	7.95 KB
cpio.h	2.21 KB
cpuidle.h	931 B
crypt.h	10.9 KB
ctype.h	10.71 KB
curses.h	96.82 KB
cursesapp.h	7.06 KB
cursesf.h	27.37 KB
cursesm.h	19.44 KB
cursesp.h	8.55 KB
cursesw.h	49.13 KB
cursslk.h	7.15 KB
db.h	120.22 KB
db_185.h	5.84 KB
dbm.h	1.37 KB
dirent.h	12.32 KB
dlfcn.h	7.52 KB
drm	-
e2p	-
elf.h	178.26 KB
endian.h	2.25 KB
entities.h	4.81 KB
envz.h	2.8 KB
err.h	2.29 KB
errno.h	1.64 KB
error.h	2.36 KB
et	-
eti.h	2.9 KB
etip.h	9.61 KB
evdns.h	1.97 KB
event.h	2.68 KB
event2	-
evhttp.h	1.99 KB
evrpc.h	1.97 KB
evutil.h	1.74 KB
execinfo.h	1.49 KB
expat.h	42.75 KB
expat_config.h	3.82 KB
expat_external.h	5.89 KB
ext2fs	-
fcntl.h	11.17 KB
features-time64.h	1.37 KB
features.h	17.69 KB
fenv.h	5.65 KB
ffi-x86_64.h	13.88 KB
ffi.h	556 B
ffitarget-x86_64.h	4.63 KB
ffitarget.h	616 B
finclude	-
fmtmsg.h	3.16 KB
fnmatch.h	2.24 KB
fontconfig	-
form.h	18.46 KB
fpu_control.h	3.5 KB
freetype2	-
fstab.h	3.04 KB
fstrm	-
fstrm.h	12.71 KB
fts.h	9.35 KB
ftw.h	6.19 KB
gconv.h	4.11 KB
gd.h	58.25 KB
gd_color_map.h	478 B
gd_errors.h	1.47 KB
gd_io.h	2.93 KB
gdbm	-
gdbm.h	11.9 KB
gdcache.h	2.92 KB
gdfontg.h	553 B
gdfontl.h	551 B
gdfontmb.h	519 B
gdfonts.h	515 B
gdfontt.h	546 B
gdfx.h	496 B
gdpp.h	50.73 KB
gelf.h	11.14 KB
getopt.h	1.43 KB
gettext-po.h	15.18 KB
gio-unix-2.0	-
glib-2.0	-
glob.h	7.13 KB
gnu	-
gnu-versions.h	2.29 KB
gnumake.h	2.84 KB
google	-
gpg-error.h	71.92 KB
gpgrt.h	71.92 KB
graphite2	-
grp.h	6.53 KB
gshadow.h	4.42 KB
gssapi	-
gssapi.h	181 B
gssrpc	-
harfbuzz	-
iconv.h	1.81 KB
idn-free.h	2.56 KB
idn-int.h	20 B
idna.h	3.89 KB
ieee754.h	4.8 KB
ifaddrs.h	2.77 KB
inttypes.h	8.14 KB
jconfig-64.h	1.98 KB
jconfig.h	246 B
jerror.h	15.35 KB
jmorecfg.h	13.98 KB
jpegint.h	15.25 KB
jpeglib.h	49.1 KB
json-c	-
kadm5	-
kdb.h	62.83 KB
keyutils.h	11.52 KB
krad.h	8.72 KB
krb5	-
krb5.h	402 B
langinfo.h	17.43 KB
lastlog.h	126 B
lber.h	15.12 KB
lber_types.h	1.43 KB
ldap.h	72.36 KB
ldap_cdefs.h	9.24 KB
ldap_features.h	1.55 KB
ldap_schema.h	9.23 KB
ldap_utf8.h	3.39 KB
ldif.h	4.68 KB
libaio.h	8.75 KB
libdb	-
libelf.h	19.84 KB
libexslt	-
libgen.h	1.35 KB
libintl.h	4.47 KB
liblsapi-sha1.h	569 B
libltdl	-
libmount	-
libpng16	-
libxml2	-
libxslt	-
limits.h	5.57 KB
link.h	7.05 KB
linux	-
lmdb.h	72.28 KB
locale.h	7.5 KB
lsapidef.h	4.6 KB
lscapi.h	24.21 KB
lscapi_config.h	599 B
ltdl.h	5.58 KB
lve	-
lzma	-
lzma.h	9.63 KB
malloc.h	5.77 KB
math.h	47.63 KB
maxminddb.h	8.34 KB
maxminddb_config-64.h	504 B
maxminddb_config.h	178 B
mcheck.h	2.38 KB
memory.h	956 B
menu.h	11.6 KB
misc	-
mntent.h	3.28 KB
monetary.h	1.92 KB
mqueue.h	4.5 KB
mtd	-
mysql	-
nc_tparm.h	4.67 KB
ncurses	-
ncurses.h	96.82 KB
ncurses_dll.h	3.95 KB
ncursesw	-
ndbm.h	2.39 KB
net	-
netash	-
netatalk	-
netax25	-
netdb.h	27.79 KB
neteconet	-
netinet	-
netipx	-
netiucv	-
netpacket	-
netrom	-
netrose	-
nfs	-
nl_types.h	1.71 KB
nlist.h	1.56 KB
nss.h	14.07 KB
obstack.h	20.81 KB
openldap.h	964 B
openssl	-
panel.h	4.41 KB
paths.h	2.91 KB
pcp	-
pcre.h	30.97 KB
pcre2.h	46.15 KB
pcre2posix.h	6.52 KB
pcre_scanner.h	6.45 KB
pcre_stringpiece.h	6.16 KB
pcrecpp.h	25.91 KB
pcrecpparg.h	6.62 KB
pcreposix.h	5.74 KB
png.h	139.51 KB
pngconf.h	22.31 KB
pnglibconf.h	7.43 KB
poll.h	22 B
powercap.h	1.62 KB
pr29.h	2.19 KB
printf.h	6.71 KB
proc_service.h	3.4 KB
profile.h	11.87 KB
protobuf-c	-
protocols	-
pthread.h	47.39 KB
pty.h	1.53 KB
punycode.h	9.3 KB
pwd.h	6.17 KB
python3.9	-
rdma	-
re_comp.h	963 B
readline	-
regex.h	25.3 KB
regexp.h	1.41 KB
resolv.h	12.1 KB
rpc	-
sasl	-
sched.h	4.92 KB
scsi	-
search.h	5.32 KB
security	-
selinux	-
semaphore.h	3.38 KB
sepol	-
setjmp.h	3.12 KB
sgtty.h	1.31 KB
shadow.h	5.34 KB
signal.h	12.73 KB
slapi-plugin.h	37.45 KB
sound	-
spawn.h	7.84 KB
stab.h	264 B
stdc-predef.h	2.24 KB
stdint.h	8.28 KB
stdio.h	30.67 KB
stdio_ext.h	2.73 KB
stdlib.h	35.46 KB
string.h	18.33 KB
stringprep.h	9.53 KB
strings.h	4.64 KB
sys	-
syscall.h	25 B
sysexits.h	5.11 KB
syslog.h	24 B
sysprof-4	-
tar.h	3.7 KB
term.h	40.95 KB
term_entry.h	8.9 KB
termcap.h	3.39 KB
termio.h	214 B
termios.h	3.51 KB
tgmath.h	39.24 KB
thread_db.h	15.65 KB
threads.h	7.51 KB
tic.h	14.48 KB
tiff.h	46.33 KB
tiffconf-64.h	3.19 KB
tiffconf.h	250 B
tiffio.h	24.13 KB
tiffio.hxx	1.62 KB
tiffvers.h	410 B
time.h	14.49 KB
tld.h	4.85 KB
ttyent.h	2.44 KB
uchar.h	1.96 KB
ucontext.h	1.99 KB
ulimit.h	1.55 KB
unctrl.h	3.1 KB
unicode	-
unistd.h	43.45 KB
utime.h	1.86 KB
utmp.h	3.15 KB
utmpx.h	4 KB
values.h	1.91 KB
verto-module.h	6.48 KB
verto.h	18.98 KB
video	-
wait.h	22 B
wchar.h	31.39 KB
wctype.h	5.42 KB
webp	-
wordexp.h	2.44 KB
xcb	-
xen	-
zconf.h	15.88 KB
zdict.h	25.81 KB
zlib.h	94 KB
zstd.h	167.36 KB
zstd_errors.h	4.43 KB

Edit: locale.h

/* Copyright (C) 1991-2021 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
   <https://www.gnu.org/licenses/>.  */

/*
 *	ISO C99 Standard: 7.11 Localization	<locale.h>
 */

#ifndef	_LOCALE_H
#define	_LOCALE_H	1

#include <features.h>

#define __need_NULL
#include <stddef.h>
#include <bits/locale.h>

__BEGIN_DECLS

/* These are the possibilities for the first argument to setlocale.
   The code assumes that the lowest LC_* symbol has the value zero.  */
#define LC_CTYPE          __LC_CTYPE
#define LC_NUMERIC        __LC_NUMERIC
#define LC_TIME           __LC_TIME
#define LC_COLLATE        __LC_COLLATE
#define LC_MONETARY       __LC_MONETARY
#define LC_MESSAGES       __LC_MESSAGES
#define	LC_ALL		  __LC_ALL
#define LC_PAPER	  __LC_PAPER
#define LC_NAME		  __LC_NAME
#define LC_ADDRESS	  __LC_ADDRESS
#define LC_TELEPHONE	  __LC_TELEPHONE
#define LC_MEASUREMENT	  __LC_MEASUREMENT
#define LC_IDENTIFICATION __LC_IDENTIFICATION

/* Structure giving information about numeric and monetary notation.  */
struct lconv
{
  /* Numeric (non-monetary) information.  */

char *decimal_point;		/* Decimal point character.  */
  char *thousands_sep;		/* Thousands separator.  */
  /* Each element is the number of digits in each group;
     elements with higher indices are farther left.
     An element with value CHAR_MAX means that no further grouping is done.
     An element with value 0 means that the previous element is used
     for all groups farther left.  */
  char *grouping;

/* Monetary information.  */

/* First three chars are a currency symbol from ISO 4217.
     Fourth char is the separator.  Fifth char is '\0'.  */
  char *int_curr_symbol;
  char *currency_symbol;	/* Local currency symbol.  */
  char *mon_decimal_point;	/* Decimal point character.  */
  char *mon_thousands_sep;	/* Thousands separator.  */
  char *mon_grouping;		/* Like `grouping' element (above).  */
  char *positive_sign;		/* Sign for positive values.  */
  char *negative_sign;		/* Sign for negative values.  */
  char int_frac_digits;		/* Int'l fractional digits.  */
  char frac_digits;		/* Local fractional digits.  */
  /* 1 if currency_symbol precedes a positive value, 0 if succeeds.  */
  char p_cs_precedes;
  /* 1 iff a space separates currency_symbol from a positive value.  */
  char p_sep_by_space;
  /* 1 if currency_symbol precedes a negative value, 0 if succeeds.  */
  char n_cs_precedes;
  /* 1 iff a space separates currency_symbol from a negative value.  */
  char n_sep_by_space;
  /* Positive and negative sign positions:
     0 Parentheses surround the quantity and currency_symbol.
     1 The sign string precedes the quantity and currency_symbol.
     2 The sign string follows the quantity and currency_symbol.
     3 The sign string immediately precedes the currency_symbol.
     4 The sign string immediately follows the currency_symbol.  */
  char p_sign_posn;
  char n_sign_posn;
#ifdef __USE_ISOC99
  /* 1 if int_curr_symbol precedes a positive value, 0 if succeeds.  */
  char int_p_cs_precedes;
  /* 1 iff a space separates int_curr_symbol from a positive value.  */
  char int_p_sep_by_space;
  /* 1 if int_curr_symbol precedes a negative value, 0 if succeeds.  */
  char int_n_cs_precedes;
  /* 1 iff a space separates int_curr_symbol from a negative value.  */
  char int_n_sep_by_space;
  /* Positive and negative sign positions:
     0 Parentheses surround the quantity and int_curr_symbol.
     1 The sign string precedes the quantity and int_curr_symbol.
     2 The sign string follows the quantity and int_curr_symbol.
     3 The sign string immediately precedes the int_curr_symbol.
     4 The sign string immediately follows the int_curr_symbol.  */
  char int_p_sign_posn;
  char int_n_sign_posn;
#else
  char __int_p_cs_precedes;
  char __int_p_sep_by_space;
  char __int_n_cs_precedes;
  char __int_n_sep_by_space;
  char __int_p_sign_posn;
  char __int_n_sign_posn;
#endif
};

/* Set and/or return the current locale.  */
extern char *setlocale (int __category, const char *__locale) __THROW;

/* Return the numeric/monetary information for the current locale.  */
extern struct lconv *localeconv (void) __THROW;

#ifdef	__USE_XOPEN2K8
/* POSIX.1-2008 extends the locale interface with functions for
   explicit creation and manipulation of 'locale_t' objects
   representing locale contexts, and a set of parallel
   locale-sensitive text processing functions that take a locale_t
   argument.  This enables applications to work with data from
   multiple locales simultaneously and thread-safely.  */
# include <bits/types/locale_t.h>

/* Return a reference to a data structure representing a set of locale
   datasets.  Unlike for the CATEGORY parameter for `setlocale' the
   CATEGORY_MASK parameter here uses a single bit for each category,
   made by OR'ing together LC_*_MASK bits above.  */
extern locale_t newlocale (int __category_mask, const char *__locale,
			   locale_t __base) __THROW;

/* These are the bits that can be set in the CATEGORY_MASK argument to
   `newlocale'.  In the GNU implementation, LC_FOO_MASK has the value
   of (1 << LC_FOO), but this is not a part of the interface that
   callers can assume will be true.  */
# define LC_CTYPE_MASK		(1 << __LC_CTYPE)
# define LC_NUMERIC_MASK	(1 << __LC_NUMERIC)
# define LC_TIME_MASK		(1 << __LC_TIME)
# define LC_COLLATE_MASK	(1 << __LC_COLLATE)
# define LC_MONETARY_MASK	(1 << __LC_MONETARY)
# define LC_MESSAGES_MASK	(1 << __LC_MESSAGES)
# define LC_PAPER_MASK		(1 << __LC_PAPER)
# define LC_NAME_MASK		(1 << __LC_NAME)
# define LC_ADDRESS_MASK	(1 << __LC_ADDRESS)
# define LC_TELEPHONE_MASK	(1 << __LC_TELEPHONE)
# define LC_MEASUREMENT_MASK	(1 << __LC_MEASUREMENT)
# define LC_IDENTIFICATION_MASK	(1 << __LC_IDENTIFICATION)
# define LC_ALL_MASK		(LC_CTYPE_MASK \
				 | LC_NUMERIC_MASK \
				 | LC_TIME_MASK \
				 | LC_COLLATE_MASK \
				 | LC_MONETARY_MASK \
				 | LC_MESSAGES_MASK \
				 | LC_PAPER_MASK \
				 | LC_NAME_MASK \
				 | LC_ADDRESS_MASK \
				 | LC_TELEPHONE_MASK \
				 | LC_MEASUREMENT_MASK \
				 | LC_IDENTIFICATION_MASK \
				 )

/* Return a duplicate of the set of locale in DATASET.  All usage
   counters are increased if necessary.  */
extern locale_t duplocale (locale_t __dataset) __THROW;

/* Free the data associated with a locale dataset previously returned
   by a call to `setlocale_r'.  */
extern void freelocale (locale_t __dataset) __THROW;

/* Switch the current thread's locale to DATASET.
   If DATASET is null, instead just return the current setting.
   The special value LC_GLOBAL_LOCALE is the initial setting
   for all threads and can also be installed any time, meaning
   the thread uses the global settings controlled by `setlocale'.  */
extern locale_t uselocale (locale_t __dataset) __THROW;

/* This value can be passed to `uselocale' and may be returned by it.
   Passing this value to any other function has undefined behavior.  */
# define LC_GLOBAL_LOCALE	((locale_t) -1L)

#endif

__END_DECLS

#endif /* locale.h  */