ls -l /usr/lib/gconv/gconv-modules.d/gconv-modules-extra.conf
lrwxrwxrwx    1 root     root            78 Jan  9 12:32 /usr/lib/gconv/gconv-modules.d/gconv-modules-extra.conf -> /tmp/tcloop/glibc_gconv/usr/lib/gconv/gconv-modules.d/gconv-modules-extra.conf

strace iconv -l
execve("/usr/bin/iconv", ["iconv", "-l"], 0x7ffd65e09c68 /* 28 vars */) = 0
brk(NULL)                               = 0x55f832075000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=42446, ...}) = 0
mmap(NULL, 42446, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fc1f9bd3000
close(3)                                = 0
openat(AT_FDCWD, "/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0sK\2\0\0\0\0\0"..., 832) = 832
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784, 64) = 784
fstat(3, {st_mode=S_IFREG|0755, st_size=1590024, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc1f9bd1000
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784, 64) = 784
mmap(NULL, 1621488, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc1f9a45000
mmap(0x7fc1f9a69000, 1089536, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x7fc1f9a69000
mmap(0x7fc1f9b73000, 327680, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12e000) = 0x7fc1f9b73000
mmap(0x7fc1f9bc3000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17d000) = 0x7fc1f9bc3000
mmap(0x7fc1f9bc9000, 32240, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc1f9bc9000
close(3)                                = 0
mmap(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc1f9a42000
arch_prctl(ARCH_SET_FS, 0x7fc1f9a42740) = 0
set_tid_address(0x7fc1f9a42a10)         = 7880
set_robust_list(0x7fc1f9a42a20, 24)     = 0
rseq(0x7fc1f9a42680, 0x20, 0, 0x53053053) = 0
mprotect(0x7fc1f9bc3000, 16384, PROT_READ) = 0
mprotect(0x55f80c7aa000, 4096, PROT_READ) = 0
mprotect(0x7fc1f9c12000, 8192, PROT_READ) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
getrandom("\x55\x76\x0a\xc3\x73\x3d\xcd\x32", 8, GRND_NONBLOCK) = 8
munmap(0x7fc1f9bd3000, 42446)           = 0
brk(NULL)                               = 0x55f832075000
brk(0x55f832096000)                     = 0x55f832096000
openat(AT_FDCWD, "/usr/lib/gconv/gconv-modules.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/gconv/gconv-modules", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=3916, ...}) = 0
read(3, "# GNU libc iconv configuration.\n"..., 4096) = 3916
read(3, "", 4096)                       = 0
close(3)                                = 0
openat(AT_FDCWD, "/usr/lib/gconv/gconv-modules.d", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
fstat(3, {st_mode=S_IFDIR|0755, st_size=60, ...}) = 0
getdents64(3, 0x55f8320781d0 /* 3 entries */, 32768) = 96
getdents64(3, 0x55f8320781d0 /* 0 entries */, 32768) = 0
close(3)                                = 0
futex(0x7fc1f9bc88ec, FUTEX_WAKE_PRIVATE, 2147483647) = 0
openat(AT_FDCWD, "/usr/lib/gconv/ISO8859-1.so", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=14400, ...}) = 0
mmap(NULL, 16440, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc1f9bd9000
mmap(0x7fc1f9bda000, 4096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7fc1f9bda000
mmap(0x7fc1f9bdb000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fc1f9bdb000
mmap(0x7fc1f9bdc000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fc1f9bdc000
close(3)                                = 0
mprotect(0x7fc1f9bdc000, 4096, PROT_READ) = 0
ioctl(1, TCGETS2, {B38400 opost isig icanon echo ...}) = 0
fstat(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0), ...}) = 0
write(1, "The following list contains all "..., 75The following list contains all the coded character sets known.  This does
) = 75
write(1, "not necessarily mean that all co"..., 74not necessarily mean that all combinations of these names can be used for
) = 74
write(1, "the FROM and TO command line par"..., 73the FROM and TO command line parameters.  One coded character set can be
) = 73
write(1, "listed with several different na"..., 47listed with several different names (aliases).
) = 47
write(1, "\n", 1
)                       = 1
write(1, "  8859_1, 10646-1:1993, 10646-1:"..., 75  8859_1, 10646-1:1993, 10646-1:1993/UCS4, ANSI_X3.4-1968, ANSI_X3.4-1986,
) = 75
write(1, "  ANSI_X3.4, ANSI_X3.110-1983, A"..., 73  ANSI_X3.4, ANSI_X3.110-1983, ANSI_X3.110, ASCII, CP367, CP819, CP1252,
) = 73
write(1, "  CSASCII, CSA_T500-1983, CSA_T5"..., 72  CSASCII, CSA_T500-1983, CSA_T500, CSISO99NAPLPS, CSISOLATIN1, CSUCS4,
) = 72
write(1, "  CSUNICODE, IBM367, IBM819, ISO"..., 65  CSUNICODE, IBM367, IBM819, ISO-8859-1, ISO-8859-15, ISO-10646,
) = 65
write(1, "  ISO-10646/UCS2, ISO-10646/UCS4"..., 77  ISO-10646/UCS2, ISO-10646/UCS4, ISO-10646/UTF-8, ISO-10646/UTF8, ISO-IR-6,
) = 77
write(1, "  ISO-IR-99, ISO-IR-100, ISO-IR-"..., 71  ISO-IR-99, ISO-IR-100, ISO-IR-193, ISO-IR-203, ISO646-US, ISO8859-1,
) = 71
write(1, "  ISO8859-15, ISO88591, ISO88591"..., 65  ISO8859-15, ISO88591, ISO885915, ISO_646.IRV:1991, ISO_8859-1,
) = 65
write(1, "  ISO_8859-1:1987, ISO_8859-15, "..., 79  ISO_8859-1:1987, ISO_8859-15, ISO_8859-15:1998, L1, LATIN-9, LATIN1, LATIN9,
) = 79
write(1, "  MS-ANSI, NAPLPS, OSF00010001, "..., 71  MS-ANSI, NAPLPS, OSF00010001, OSF00010020, OSF00010100, OSF00010101,
) = 71
write(1, "  OSF00010102, OSF00010104, OSF0"..., 74  OSF00010102, OSF00010104, OSF00010105, OSF00010106, OSF05010001, UCS-2,
) = 74
write(1, "  UCS-2BE, UCS-2LE, UCS-4, UCS-4"..., 78  UCS-2BE, UCS-2LE, UCS-4, UCS-4BE, UCS-4LE, UCS2, UCS4, UNICODE, UNICODEBIG,
) = 78
write(1, "  UNICODELITTLE, US-ASCII, US, U"..., 75  UNICODELITTLE, US-ASCII, US, UTF-7-IMAP, UTF-7, UTF-8, UTF-16, UTF-16BE,
) = 75
write(1, "  UTF-16LE, UTF-32, UTF-32BE, UT"..., 77  UTF-16LE, UTF-32, UTF-32BE, UTF-32LE, UTF7, UTF8, UTF16, UTF16BE, UTF16LE,
) = 77
write(1, "  UTF32, UTF32BE, UTF32LE, WCHAR"..., 49  UTF32, UTF32BE, UTF32LE, WCHAR_T, WINDOWS-1252
) = 49
exit_group(0)                           = ?
+++ exited with 0 +++
