golden hour

/usr/include

File/Folder	Size	Actions
FlexLexer.h	6.07 KB
GL	-
KF5	-
X11	-
_G_config.h	1.26 KB
a.out.h	4.25 KB
aio.h	7.27 KB
aliases.h	2 KB
alloca.h	1.19 KB
apache2	-
ar.h	1.68 KB
argp.h	24.75 KB
argz.h	6.96 KB
arpa	-
asm	-
asm-generic	-
assert.h	3.52 KB
autosprintf.h	2.33 KB
bind9	-
bits	-
bsock	-
byteswap.h	1.41 KB
c++	-
com_err.h	2.07 KB
complex.h	3.62 KB
cpio.h	2.21 KB
cpufreq.h	5.8 KB
criu	-
crypt.h	2.22 KB
ctype.h	11.52 KB
curses.h	93.19 KB
cursesapp.h	6.62 KB
cursesf.h	27.05 KB
cursesm.h	19.09 KB
cursesp.h	8.3 KB
cursesw.h	48.24 KB
cursslk.h	7.13 KB
db.h	120.21 KB
db4.7.25	-
db_185.h	5.84 KB
dbm.h	1.37 KB
dirent.h	12.34 KB
dlfcn.h	6.88 KB
drm	-
e2p	-
elf.h	141.01 KB
endian.h	2.95 KB
entities.h	4.56 KB
envz.h	2.82 KB
err.h	2.18 KB
errno.h	2.33 KB
error.h	2.01 KB
et	-
eti.h	2.82 KB
etip.h	9.04 KB
execinfo.h	1.5 KB
expat.h	41.04 KB
expat_external.h	3.29 KB
ext2fs	-
fcntl.h	9.89 KB
features.h	12.87 KB
fenv.h	4.5 KB
fmtmsg.h	3.18 KB
fnmatch.h	2.27 KB
fontconfig	-
form.h	17.56 KB
fpu_control.h	3.5 KB
freetype2	-
fstab.h	3.04 KB
fts.h	5.17 KB
ftw.h	5.15 KB
gconv.h	5.16 KB
gcrypt-module.h	7.18 KB
gcrypt.h	76.51 KB
gd.h	32.02 KB
gd_io.h	1.13 KB
gdbm	-
gdbm.h	5.75 KB
gdcache.h	2.75 KB
gdfontg.h	623 B
gdfontl.h	621 B
gdfontmb.h	590 B
gdfonts.h	585 B
gdfontt.h	617 B
gdfx.h	2.34 KB
gelf.h	11.05 KB
getopt.h	6.53 KB
gettext-po.h	15.17 KB
glob.h	6.51 KB
gnu	-
gnu-versions.h	2.29 KB
google	-
gpg-error.h	23.66 KB
grp.h	6.75 KB
gshadow.h	4.43 KB
gssapi	-
gssapi.h	181 B
gssrpc	-
iconv.h	1.83 KB
idn-free.h	2.41 KB
idn-int.h	20 B
idna.h	3.48 KB
ieee754.h	4.81 KB
ifaddrs.h	2.77 KB
inttypes.h	11.61 KB
jconfig.h	1.7 KB
jerror.h	14.4 KB
jmorecfg.h	13.5 KB
jpeglib.h	49.12 KB
kadm5	-
kdb.h	60.12 KB
kde4	-
keyutils.h	7.08 KB
krad.h	8.72 KB
krb5	-
krb5.h	402 B
langinfo.h	15.57 KB
lastlog.h	126 B
lauxlib.h	5.64 KB
lber.h	14.95 KB
lber_types.h	1.43 KB
ldap.h	63.46 KB
ldap_cdefs.h	9.24 KB
ldap_features.h	1.77 KB
ldap_schema.h	9.23 KB
ldap_utf8.h	3.39 KB
ldif.h	4.58 KB
libaio.h	7.8 KB
libdb	-
libelf.h	19.11 KB
libexslt	-
libgen.h	1.37 KB
libintl.h	4.49 KB
libio.h	16.87 KB
libltdl	-
libpng15	-
libxml2	-
libxslt	-
limits.h	4.42 KB
link.h	6.99 KB
linux	-
locale.h	7.78 KB
ltdl.h	5.58 KB
lua.h	11.41 KB
lua.hpp	191 B
luaconf.h	21.64 KB
lualib.h	1 KB
lzma	-
lzma.h	9.51 KB
malloc.h	6.44 KB
math.h	15.7 KB
mcheck.h	2.4 KB
memory.h	962 B
menu.h	11.67 KB
misc	-
mntent.h	3.3 KB
monetary.h	1.73 KB
mqueue.h	3.7 KB
mtd	-
mysql	-
nc_tparm.h	4.05 KB
ncurses	-
ncurses.h	93.19 KB
ncurses_dll.h	3.83 KB
ncursesw	-
ndbm.h	2.39 KB
net	-
netash	-
netatalk	-
netax25	-
netdb.h	27.46 KB
neteconet	-
netinet	-
netipx	-
netiucv	-
netpacket	-
netrom	-
netrose	-
nfs	-
nl_types.h	1.73 KB
nlist.h	1.56 KB
nss.h	1.85 KB
obstack.h	18.84 KB
openssl	-
panel.h	3.97 KB
paths.h	2.91 KB
pcre.h	29.73 KB
pcre_scanner.h	6.45 KB
pcre_stringpiece.h	6.11 KB
pcrecpp.h	25.91 KB
pcrecpparg.h	6.62 KB
pcreposix.h	5.32 KB
png.h	113.36 KB
pngconf.h	20.94 KB
pnglibconf.h	6.3 KB
poll.h	22 B
pr29.h	2.07 KB
printf.h	6.56 KB
profile.h	11.87 KB
protobuf-c	-
protocols	-
pthread.h	39.95 KB
pty.h	1.51 KB
punycode.h	9.36 KB
pwd.h	5.87 KB
python2.7	-
python3.6m	-
quota	-
rdma	-
re_comp.h	957 B
regex.h	21.58 KB
regexp.h	6.89 KB
resolv.h	14.67 KB
rpc	-
rpcsvc	-
sasl	-
sched.h	4.55 KB
scsi	-
search.h	5.11 KB
security	-
selinux	-
semaphore.h	2.36 KB
sepol	-
setjmp.h	3.97 KB
sgtty.h	1.33 KB
shadow.h	5.1 KB
signal.h	13.3 KB
slapi-plugin.h	37.45 KB
sound	-
spawn.h	6.53 KB
stab.h	264 B
stdc-predef.h	1.59 KB
stdint.h	7.94 KB
stdio.h	30.9 KB
stdio_ext.h	2.74 KB
stdlib.h	33.23 KB
string.h	21.75 KB
stringprep.h	8 KB
strings.h	4.55 KB
sys	-
syscall.h	25 B
sysexits.h	5.11 KB
syslog.h	24 B
tar.h	3.67 KB
tcpd.h	11.48 KB
term.h	38.63 KB
term_entry.h	7.91 KB
termcap.h	3.4 KB
termio.h	214 B
termios.h	3.52 KB
tgmath.h	18.11 KB
thread_db.h	15.65 KB
tic.h	12.35 KB
tiff.h	34.95 KB
tiffconf-64.h	3.35 KB
tiffconf.h	250 B
tiffio.h	22.52 KB
tiffio.hxx	1.66 KB
tiffvers.h	410 B
time.h	13.4 KB
tld.h	4.54 KB
ttyent.h	2.44 KB
uapi	-
uchar.h	2.42 KB
ucontext.h	1.92 KB
ulimit.h	1.55 KB
unctrl.h	3.03 KB
unistd.h	41.78 KB
ustat.h	23 B
utime.h	1.5 KB
utmp.h	3.16 KB
utmpx.h	4.02 KB
uuid	-
values.h	1.92 KB
verto-module.h	6.48 KB
verto.h	18.57 KB
video	-
wait.h	22 B
wchar.h	31.37 KB
wctype.h	10.89 KB
wordexp.h	2.47 KB
xcb	-
xen	-
xlocale.h	1.66 KB
zconf.h	14.92 KB
zlib.h	84.68 KB

Edit: cpufreq.h

/*
 *  cpufreq.h - definitions for libcpufreq
 *
 *  Copyright (C) 2004-2009  Dominik Brodowski <linux@dominikbrodowski.de>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, version 2 of the License.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _CPUFREQ_H
#define _CPUFREQ_H 1

struct cpufreq_policy {
	unsigned long min;
	unsigned long max;
	char *governor;
};

struct cpufreq_available_governors {
	char *governor;
	struct cpufreq_available_governors *next;
	struct cpufreq_available_governors *first;
};

struct cpufreq_available_frequencies {
	unsigned long frequency;
	struct cpufreq_available_frequencies *next;
	struct cpufreq_available_frequencies *first;
};

struct cpufreq_affected_cpus {
	unsigned int cpu;
	struct cpufreq_affected_cpus *next;
	struct cpufreq_affected_cpus *first;
};

struct cpufreq_stats {
	unsigned long frequency;
	unsigned long long time_in_state;
	struct cpufreq_stats *next;
	struct cpufreq_stats *first;
};

#ifdef __cplusplus
extern "C" {
#endif

/*
 * returns 0 if the specified CPU is present (it doesn't say
 * whether it is online!), and an error value if not.
 */

extern int cpufreq_cpu_exists(unsigned int cpu);

/* determine current CPU frequency
 * - _kernel variant means kernel's opinion of CPU frequency
 * - _hardware variant means actual hardware CPU frequency,
 *    which is only available to root.
 *
 * returns 0 on failure, else frequency in kHz.
 */

extern unsigned long cpufreq_get_freq_kernel(unsigned int cpu);

extern unsigned long cpufreq_get_freq_hardware(unsigned int cpu);

#define cpufreq_get(cpu) cpufreq_get_freq_kernel(cpu);

/* determine CPU transition latency
 *
 * returns 0 on failure, else transition latency in 10^(-9) s = nanoseconds
 */
extern unsigned long cpufreq_get_transition_latency(unsigned int cpu);

/* determine hardware CPU frequency limits
 *
 * These may be limited further by thermal, energy or other
 * considerations by cpufreq policy notifiers in the kernel.
 */

extern int cpufreq_get_hardware_limits(unsigned int cpu,
				unsigned long *min,
				unsigned long *max);

/* determine CPUfreq driver used
 *
 * Remember to call cpufreq_put_driver when no longer needed
 * to avoid memory leakage, please.
 */

extern char *cpufreq_get_driver(unsigned int cpu);

extern void cpufreq_put_driver(char *ptr);

/* determine CPUfreq policy currently used
 *
 * Remember to call cpufreq_put_policy when no longer needed
 * to avoid memory leakage, please.
 */

extern struct cpufreq_policy *cpufreq_get_policy(unsigned int cpu);

extern void cpufreq_put_policy(struct cpufreq_policy *policy);

/* determine CPUfreq governors currently available
 *
 * may be modified by modprobe'ing or rmmod'ing other governors. Please
 * free allocated memory by calling cpufreq_put_available_governors
 * after use.
 */

extern struct cpufreq_available_governors
*cpufreq_get_available_governors(unsigned int cpu);

extern void cpufreq_put_available_governors(
	struct cpufreq_available_governors *first);

/* determine CPU frequency states available
 *
 * Only present on _some_ ->target() cpufreq drivers. For information purposes
 * only. Please free allocated memory by calling
 * cpufreq_put_available_frequencies after use.
 */

extern struct cpufreq_available_frequencies
*cpufreq_get_available_frequencies(unsigned int cpu);

extern void cpufreq_put_available_frequencies(
		struct cpufreq_available_frequencies *first);

/* determine affected CPUs
 *
 * Remember to call cpufreq_put_affected_cpus when no longer needed
 * to avoid memory leakage, please.
 */

extern struct cpufreq_affected_cpus *cpufreq_get_affected_cpus(unsigned
							int cpu);

extern void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *first);

/* determine related CPUs
 *
 * Remember to call cpufreq_put_related_cpus when no longer needed
 * to avoid memory leakage, please.
 */

extern struct cpufreq_affected_cpus *cpufreq_get_related_cpus(unsigned
							int cpu);

extern void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *first);

/* determine stats for cpufreq subsystem
 *
 * This is not available in all kernel versions or configurations.
 */

extern struct cpufreq_stats *cpufreq_get_stats(unsigned int cpu,
					unsigned long long *total_time);

extern void cpufreq_put_stats(struct cpufreq_stats *stats);

extern unsigned long cpufreq_get_transitions(unsigned int cpu);

/* set new cpufreq policy
 *
 * Tries to set the passed policy as new policy as close as possible,
 * but results may differ depending e.g. on governors being available.
 */

extern int cpufreq_set_policy(unsigned int cpu, struct cpufreq_policy *policy);

/* modify a policy by only changing min/max freq or governor
 *
 * Does not check whether result is what was intended.
 */

extern int cpufreq_modify_policy_min(unsigned int cpu, unsigned long min_freq);
extern int cpufreq_modify_policy_max(unsigned int cpu, unsigned long max_freq);
extern int cpufreq_modify_policy_governor(unsigned int cpu, char *governor);

/* set a specific frequency
 *
 * Does only work if userspace governor can be used and no external
 * interference (other calls to this function or to set/modify_policy)
 * occurs. Also does not work on ->range() cpufreq drivers.
 */

extern int cpufreq_set_frequency(unsigned int cpu,
				unsigned long target_frequency);

#ifdef __cplusplus
}
#endif

#endif /* _CPUFREQ_H */