golden hour

/usr/include/glib-2.0/glib

File/Folder	Size	Actions
deprecated	-
galloca.h	3.82 KB
garray.h	11.12 KB
gasyncqueue.h	5.59 KB
gatomic.h	26.57 KB
gbacktrace.h	2.73 KB
gbase64.h	2.27 KB
gbitlock.h	2.83 KB
gbookmarkfile.h	12.33 KB
gbytes.h	3.26 KB
gcharset.h	1.54 KB
gchecksum.h	3.77 KB
gconvert.h	5.78 KB
gdataset.h	6.1 KB
gdate.h	12.13 KB
gdatetime.h	12.44 KB
gdir.h	1.6 KB
genviron.h	2.31 KB
gerror.h	10.88 KB
gfileutils.h	7.68 KB
ggettext.h	2.37 KB
ghash.h	7.7 KB
ghmac.h	3.39 KB
ghook.h	6.21 KB
ghostutils.h	1.42 KB
gi18n-lib.h	1.34 KB
gi18n.h	1.14 KB
giochannel.h	13.63 KB
gkeyfile.h	14.56 KB
glib-autocleanups.h	4.79 KB
glist.h	6.77 KB
gmacros.h	45.12 KB
gmain.h	27.55 KB
gmappedfile.h	1.94 KB
gmarkup.h	10.62 KB
gmem.h	14.51 KB
gmessages.h	26.56 KB
gnode.h	8.5 KB
goption.h	15.72 KB
gpattern.h	1.74 KB
gpoll.h	4.03 KB
gprimes.h	1.65 KB
gprintf.h	1.94 KB
gqsort.h	1.46 KB
gquark.h	2.63 KB
gqueue.h	7.57 KB
grand.h	3.11 KB
grcbox.h	3.9 KB
grefcount.h	3.89 KB
grefstring.h	1.82 KB
gregex.h	27.44 KB
gscanner.h	8.65 KB
gsequence.h	8.6 KB
gshell.h	1.71 KB
gslice.h	4.48 KB
gslist.h	6.4 KB
gspawn.h	12.89 KB
gstdio.h	4.99 KB
gstrfuncs.h	13.14 KB
gstring.h	8.14 KB
gstringchunk.h	2.08 KB
gstrvbuilder.h	1.58 KB
gtestutils.h	34.31 KB
gthread.h	18.32 KB
gthreadpool.h	3.73 KB
gtimer.h	2.52 KB
gtimezone.h	3.81 KB
gtrashstack.h	1.86 KB
gtree.h	6.3 KB
gtypes.h	20.04 KB
gunicode.h	40.25 KB
guri.h	16.06 KB
gutils.h	14.22 KB
guuid.h	1.26 KB
gvariant.h	28.87 KB
gvarianttype.h	12.93 KB
gversion.h	1.93 KB
gversionmacros.h	46.56 KB
gwin32.h	4.56 KB

Edit: grcbox.h

/* grcbox.h: Reference counted data
 *
 * Copyright 2018  Emmanuele Bassi
 *
 * This 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.
 *
 * This 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 this library; if not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif

#include <glib/gmem.h>

#if defined(glib_typeof_2_68) && GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_68
/* for glib_typeof */
#include <type_traits>
#endif

G_BEGIN_DECLS

GLIB_AVAILABLE_IN_2_58
gpointer        g_rc_box_alloc                  (gsize           block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer        g_rc_box_alloc0                 (gsize           block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer        g_rc_box_dup                    (gsize           block_size,
                                                 gconstpointer   mem_block) G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer        g_rc_box_acquire                (gpointer        mem_block);
GLIB_AVAILABLE_IN_2_58
void            g_rc_box_release                (gpointer        mem_block);
GLIB_AVAILABLE_IN_2_58
void            g_rc_box_release_full           (gpointer        mem_block,
                                                 GDestroyNotify  clear_func);

GLIB_AVAILABLE_IN_2_58
gsize           g_rc_box_get_size               (gpointer        mem_block);

GLIB_AVAILABLE_IN_2_58
gpointer        g_atomic_rc_box_alloc           (gsize           block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer        g_atomic_rc_box_alloc0          (gsize           block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer        g_atomic_rc_box_dup             (gsize           block_size,
                                                 gconstpointer   mem_block) G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer        g_atomic_rc_box_acquire         (gpointer        mem_block);
GLIB_AVAILABLE_IN_2_58
void            g_atomic_rc_box_release         (gpointer        mem_block);
GLIB_AVAILABLE_IN_2_58
void            g_atomic_rc_box_release_full    (gpointer        mem_block,
                                                 GDestroyNotify  clear_func);

GLIB_AVAILABLE_IN_2_58
gsize           g_atomic_rc_box_get_size        (gpointer        mem_block);

#define g_rc_box_new(type) \
  ((type *) g_rc_box_alloc (sizeof (type)))
#define g_rc_box_new0(type) \
  ((type *) g_rc_box_alloc0 (sizeof (type)))
#define g_atomic_rc_box_new(type) \
  ((type *) g_atomic_rc_box_alloc (sizeof (type)))
#define g_atomic_rc_box_new0(type) \
  ((type *) g_atomic_rc_box_alloc0 (sizeof (type)))

#if defined(glib_typeof) && (!defined(glib_typeof_2_68) || GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_68)
/* Type check to avoid assigning references to different types */
#define g_rc_box_acquire(mem_block) \
  ((glib_typeof (mem_block)) (g_rc_box_acquire) (mem_block))
#define g_atomic_rc_box_acquire(mem_block) \
  ((glib_typeof (mem_block)) (g_atomic_rc_box_acquire) (mem_block))

/* Type check to avoid duplicating data to different types */
#define g_rc_box_dup(block_size, mem_block) \
  ((glib_typeof (mem_block)) (g_rc_box_dup) (block_size, mem_block))
#define g_atomic_rc_box_dup(block_size, mem_block) \
  ((glib_typeof (mem_block)) (g_atomic_rc_box_dup) (block_size, mem_block))
#endif

G_END_DECLS