From d963b3bac96690e249cbc7e97253febba3ae151d Mon Sep 17 00:00:00 2001
From: Mark Poliakov <mark@alnyan.me>
Date: Sun, 9 Mar 2025 14:16:42 +0200
Subject: [PATCH] libc: borrow relibc's wctype.h

---
 .../lib/ygglibc/src/headers/ctype/mod.rs      |   2 +-
 .../lib/ygglibc/src/headers/langinfo/mod.rs   |  10 +-
 .../lib/ygglibc/src/headers/wctype/alpha.rs   | 193 ++++++++
 .../lib/ygglibc/src/headers/wctype/casecmp.rs | 417 ++++++++++++++++++
 .../lib/ygglibc/src/headers/wctype/mod.rs     | 252 ++++++++---
 .../lib/ygglibc/src/headers/wctype/punct.rs   | 167 +++++++
 6 files changed, 964 insertions(+), 77 deletions(-)
 create mode 100644 userspace/lib/ygglibc/src/headers/wctype/alpha.rs
 create mode 100644 userspace/lib/ygglibc/src/headers/wctype/casecmp.rs
 create mode 100644 userspace/lib/ygglibc/src/headers/wctype/punct.rs

diff --git a/userspace/lib/ygglibc/src/headers/ctype/mod.rs b/userspace/lib/ygglibc/src/headers/ctype/mod.rs
index 0405d510..af7e216c 100644
--- a/userspace/lib/ygglibc/src/headers/ctype/mod.rs
+++ b/userspace/lib/ygglibc/src/headers/ctype/mod.rs
@@ -20,7 +20,7 @@ unsafe extern "C" fn isascii(ch: c_int) -> c_int {
 }
 
 #[no_mangle]
-unsafe extern "C" fn isblank(ch: c_int) -> c_int {
+pub unsafe extern "C" fn isblank(ch: c_int) -> c_int {
     (ch == b' ' as c_int || ch == b'\t' as c_int) as _
 }
 
diff --git a/userspace/lib/ygglibc/src/headers/langinfo/mod.rs b/userspace/lib/ygglibc/src/headers/langinfo/mod.rs
index f34dae73..cbb1cd32 100644
--- a/userspace/lib/ygglibc/src/headers/langinfo/mod.rs
+++ b/userspace/lib/ygglibc/src/headers/langinfo/mod.rs
@@ -1,4 +1,4 @@
-use core::ffi::c_char;
+use core::{ffi::c_char, ptr::null_mut};
 
 use super::{locale::locale_t, nl_types::nl_item};
 
@@ -59,8 +59,12 @@ pub const NOEXPR: nl_item = 54;
 pub const CRNCYSTR: nl_item = 55;
 
 #[no_mangle]
-unsafe extern "C" fn nl_langinfo(_item: nl_item) -> *mut c_char {
-    todo!()
+unsafe extern "C" fn nl_langinfo(item: nl_item) -> *mut c_char {
+    let cstr = match item {
+        CODESET => c"UTF-8",
+        _ => todo!("nl_langinfo({item})"),
+    };
+    cstr.as_ptr().cast_mut()
 }
 
 #[no_mangle]
diff --git a/userspace/lib/ygglibc/src/headers/wctype/alpha.rs b/userspace/lib/ygglibc/src/headers/wctype/alpha.rs
new file mode 100644
index 00000000..41c34415
--- /dev/null
+++ b/userspace/lib/ygglibc/src/headers/wctype/alpha.rs
@@ -0,0 +1,193 @@
+// Borrowed from relibc's wctype/alpha.rs
+// Which in turn borrowed it from musl's src/ctype/alpha.h
+// Copyright 2005-2020 Rich Felker, et al.
+
+use core::ffi::c_uchar;
+
+pub fn is(wc: usize) -> c_uchar {
+    if wc < 0x20000 {
+        return (table[(table[wc >> 8] as usize) * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1;
+    }
+    if wc < 0x2fffe {
+        return 1;
+    }
+    return 0;
+}
+
+const table: [c_uchar; 3904] = [
+    18, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 17, 34, 35, 36, 17, 37, 38,
+    39, 40, 41, 42, 43, 44, 17, 45, 46, 47, 16, 16, 48, 16, 16, 16, 16, 16, 16, 16, 49, 50, 51, 16,
+    52, 53, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+    17, 17, 17, 17, 17, 54, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 55, 17, 17, 17, 17, 56, 17, 57, 58,
+    59, 60, 61, 62, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 63,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 64, 65, 17, 66, 67, 68, 69, 70, 71, 72, 73, 74, 17, 75,
+    76, 77, 78, 79, 80, 81, 16, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 16, 94, 95, 96, 16,
+    17, 17, 17, 97, 98, 99, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 100, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 101, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 17, 17, 102, 103, 16, 16, 104, 105, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 106, 17, 17, 107, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 17, 108, 109, 16, 16, 16, 16, 16, 16, 16, 16, 16, 110, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 111, 112, 113, 114, 16, 16,
+    16, 16, 16, 16, 16, 16, 115, 116, 117, 16, 16, 16, 16, 16, 118, 119, 16, 16, 16, 16, 120, 16,
+    16, 121, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 254, 255, 255, 7, 254, 255, 255, 7,
+    0, 0, 0, 0, 0, 4, 32, 4, 255, 255, 127, 255, 255, 255, 127, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 195,
+    255, 3, 0, 31, 80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 223, 188, 64, 215, 255,
+    255, 251, 255, 255, 255, 255, 255, 255, 255, 255, 255, 191, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 3, 252, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 255, 255, 255, 127, 2,
+    255, 255, 255, 255, 255, 1, 0, 0, 0, 0, 255, 191, 182, 0, 255, 255, 255, 135, 7, 0, 0, 0, 255,
+    7, 255, 255, 255, 255, 255, 255, 255, 254, 255, 195, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 239, 31, 254, 225, 255, 159, 0, 0, 255, 255, 255, 255, 255, 255, 0, 224,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 3, 0, 255, 255, 255, 255, 255, 7,
+    48, 4, 255, 255, 255, 252, 255, 31, 0, 0, 255, 255, 255, 1, 255, 7, 0, 0, 0, 0, 0, 0, 255, 255,
+    223, 63, 0, 0, 240, 255, 248, 3, 255, 255, 255, 255, 255, 255, 255, 255, 255, 239, 255, 223,
+    225, 255, 207, 255, 254, 255, 239, 159, 249, 255, 255, 253, 197, 227, 159, 89, 128, 176, 207,
+    255, 3, 16, 238, 135, 249, 255, 255, 253, 109, 195, 135, 25, 2, 94, 192, 255, 63, 0, 238, 191,
+    251, 255, 255, 253, 237, 227, 191, 27, 1, 0, 207, 255, 0, 30, 238, 159, 249, 255, 255, 253,
+    237, 227, 159, 25, 192, 176, 207, 255, 2, 0, 236, 199, 61, 214, 24, 199, 255, 195, 199, 29,
+    129, 0, 192, 255, 0, 0, 239, 223, 253, 255, 255, 253, 255, 227, 223, 29, 96, 7, 207, 255, 0, 0,
+    239, 223, 253, 255, 255, 253, 239, 227, 223, 29, 96, 64, 207, 255, 6, 0, 239, 223, 253, 255,
+    255, 255, 255, 231, 223, 93, 240, 128, 207, 255, 0, 252, 236, 255, 127, 252, 255, 255, 251, 47,
+    127, 128, 95, 255, 192, 255, 12, 0, 254, 255, 255, 255, 255, 127, 255, 7, 63, 32, 255, 3, 0, 0,
+    0, 0, 214, 247, 255, 255, 175, 255, 255, 59, 95, 32, 255, 243, 0, 0, 0, 0, 1, 0, 0, 0, 255, 3,
+    0, 0, 255, 254, 255, 255, 255, 31, 254, 255, 3, 255, 255, 254, 255, 255, 255, 31, 0, 0, 0, 0,
+    0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 127, 249, 255, 3, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 63, 255, 255, 255, 255, 191, 32, 255, 255, 255, 255, 255, 247, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 61, 127, 61, 255, 255, 255, 255, 255, 61, 255, 255, 255, 255, 61, 127,
+    61, 255, 127, 255, 255, 255, 255, 255, 255, 255, 61, 255, 255, 255, 255, 255, 255, 255, 255, 7,
+    0, 0, 0, 0, 255, 255, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 63, 63, 254, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 159, 255, 255, 254, 255, 255, 7, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 199, 255, 1, 255, 223, 15, 0, 255, 255, 15, 0, 255, 255, 15, 0, 255, 223, 13, 0, 255,
+    255, 255, 255, 255, 255, 207, 255, 255, 1, 128, 16, 255, 3, 0, 0, 0, 0, 255, 3, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 1, 255, 255, 255, 255, 255, 7, 255, 255, 255, 255, 255,
+    255, 255, 255, 63, 0, 255, 255, 255, 127, 255, 15, 255, 1, 192, 255, 255, 255, 255, 63, 31, 0,
+    255, 255, 255, 255, 255, 15, 255, 255, 255, 3, 255, 3, 0, 0, 0, 0, 255, 255, 255, 15, 255, 255,
+    255, 255, 255, 255, 255, 127, 254, 255, 31, 0, 255, 3, 255, 3, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 255, 255, 255, 255, 255, 255, 239, 255, 239, 15, 255, 3, 0, 0, 0, 0, 255, 255, 255, 255,
+    255, 243, 255, 255, 255, 255, 255, 255, 191, 255, 3, 0, 255, 255, 255, 255, 255, 255, 127, 0,
+    255, 227, 255, 255, 255, 255, 255, 63, 255, 1, 255, 255, 255, 255, 255, 231, 0, 0, 0, 0, 0,
+    222, 111, 4, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 128, 255, 31, 0, 255, 255, 63, 63, 255,
+    255, 255, 255, 63, 63, 255, 170, 255, 255, 255, 63, 255, 255, 255, 255, 255, 255, 223, 95, 220,
+    31, 207, 15, 255, 31, 220, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 128, 0, 0, 255, 31,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 132, 252, 47, 62, 80, 189, 255, 243, 224, 67, 0, 0, 255,
+    255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 255, 255, 255, 255, 255, 255, 3, 0, 0, 255, 255, 255,
+    255, 255, 127, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 31, 120, 12, 0, 255, 255, 255, 255, 191, 32, 255, 255, 255, 255,
+    255, 255, 255, 128, 0, 0, 255, 255, 127, 0, 127, 127, 127, 127, 127, 127, 127, 127, 255, 255,
+    255, 255, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 224, 0, 0, 0, 254, 3, 62, 31, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    127, 224, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 247, 224, 255, 255, 255, 255,
+    255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 0, 0, 255, 255, 255, 7, 0, 0,
+    0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 31, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 63, 255, 31, 255,
+    255, 255, 15, 0, 0, 255, 255, 255, 255, 255, 127, 240, 143, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 128, 255, 252, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 249, 255, 255, 255, 255, 255, 255, 124, 0, 0, 0, 0, 0, 128, 255,
+    191, 255, 255, 255, 255, 0, 0, 0, 255, 255, 255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255,
+    255, 255, 255, 47, 0, 255, 3, 0, 0, 252, 232, 255, 255, 255, 255, 255, 7, 255, 255, 255, 255,
+    7, 0, 255, 255, 255, 31, 255, 255, 255, 255, 255, 255, 247, 255, 0, 128, 255, 3, 255, 255, 255,
+    127, 255, 255, 255, 255, 255, 255, 127, 0, 255, 63, 255, 3, 255, 255, 127, 252, 255, 255, 255,
+    255, 255, 255, 255, 127, 5, 0, 0, 56, 255, 255, 60, 0, 126, 126, 126, 0, 127, 127, 255, 255,
+    255, 255, 255, 247, 255, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 7, 255, 3, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 15, 0, 255, 255, 127, 248, 255, 255, 255, 255, 255, 15, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 63, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 3, 0, 0, 0, 0, 127, 0, 248, 224, 255, 253, 127, 95, 219, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 3, 0, 0, 0, 248, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 63, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 252,
+    255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 255, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    223, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 31, 0, 0,
+    255, 3, 254, 255, 255, 7, 254, 255, 255, 7, 192, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 127, 252, 252, 252, 28, 0, 0, 0, 0, 255, 239, 255, 255, 127, 255, 255, 183, 255, 63, 255,
+    63, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 7,
+    0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 31, 255, 255,
+    255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 255, 255, 255, 255, 0, 224, 255, 255, 255, 7, 255, 255,
+    255, 255, 255, 7, 255, 255, 255, 63, 255, 255, 255, 255, 15, 255, 62, 0, 0, 0, 0, 0, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 63, 255,
+    3, 255, 255, 255, 255, 15, 255, 255, 255, 255, 15, 255, 255, 255, 255, 255, 0, 255, 255, 255,
+    255, 255, 255, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255,
+    255, 255, 127, 0, 255, 255, 63, 0, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 63, 253, 255, 255, 255, 255, 191, 145, 255, 255, 63, 0, 255, 255, 127, 0, 255, 255, 255,
+    127, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 55, 0, 255, 255, 63, 0, 255, 255, 255, 3, 0, 0, 0, 0, 0,
+    0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 192, 0, 0, 0, 0, 0, 0, 0, 0, 111, 240, 239, 254,
+    255, 255, 63, 0, 0, 0, 0, 0, 255, 255, 255, 31, 255, 255, 255, 31, 0, 0, 0, 0, 255, 254, 255,
+    255, 31, 0, 0, 0, 255, 255, 255, 255, 255, 255, 63, 0, 255, 255, 63, 0, 255, 255, 7, 0, 255,
+    255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 1,
+    0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 7, 0, 255, 255, 255, 255, 255, 255, 7, 0, 255,
+    255, 255, 255, 255, 0, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 255, 255, 255, 31, 128, 0, 255, 255, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 255, 255, 127, 0, 255, 255, 255, 255, 255, 255, 255, 255, 63, 0, 0, 0, 192, 255, 0,
+    0, 252, 255, 255, 255, 255, 255, 255, 1, 0, 0, 255, 255, 255, 1, 255, 3, 255, 255, 255, 255,
+    255, 255, 199, 255, 112, 0, 255, 255, 255, 255, 71, 0, 255, 255, 255, 255, 255, 255, 255, 255,
+    30, 0, 255, 23, 0, 0, 0, 0, 255, 255, 251, 255, 255, 255, 159, 64, 0, 0, 0, 0, 0, 0, 0, 0, 127,
+    189, 255, 191, 255, 1, 255, 255, 255, 255, 255, 255, 255, 1, 255, 3, 239, 159, 249, 255, 255,
+    253, 237, 227, 159, 25, 129, 224, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    255, 255, 255, 255, 255, 255, 255, 255, 187, 7, 255, 131, 0, 0, 0, 0, 255, 255, 255, 255, 255,
+    255, 255, 255, 179, 0, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255,
+    255, 255, 255, 255, 255, 63, 127, 0, 0, 0, 63, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255,
+    127, 17, 0, 255, 3, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 63, 1, 255, 3, 0, 0, 0, 0, 0, 0,
+    255, 255, 255, 231, 255, 7, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 3, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 255, 252, 255, 255, 255, 255, 255, 252, 26, 0, 0, 0, 255, 255, 255, 255, 255, 255,
+    231, 127, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 32, 0, 0, 0, 0, 255, 255, 255,
+    255, 255, 255, 255, 1, 255, 253, 255, 255, 255, 255, 127, 127, 1, 0, 255, 3, 0, 0, 252, 255,
+    255, 255, 252, 255, 255, 254, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 251, 255, 255, 255, 255,
+    127, 180, 203, 0, 255, 3, 191, 253, 255, 255, 255, 127, 123, 1, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255,
+    255, 127, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 127, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 127,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255,
+    255, 255, 1, 255, 255, 255, 127, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 63,
+    0, 0, 255, 255, 255, 255, 255, 255, 0, 0, 15, 0, 255, 3, 248, 255, 255, 224, 255, 255, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255,
+    255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 135, 255, 255, 255, 255, 255, 255, 255, 128, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0,
+    0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 7, 0, 255, 255, 255, 127, 0, 0, 0, 0, 0, 0, 7, 0, 240, 0, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 15, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 7, 255, 31, 255, 1, 255, 67, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 223, 255, 255, 255, 255, 255, 255, 255, 255, 223,
+    100, 222, 255, 235, 239, 255, 255, 255, 255, 255, 255, 255, 191, 231, 223, 223, 255, 255, 255,
+    123, 95, 252, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 63, 255, 255, 255, 253, 255, 255, 247, 255, 255, 255, 247,
+    255, 255, 223, 255, 255, 255, 223, 255, 255, 127, 255, 255, 255, 127, 255, 255, 255, 253, 255,
+    255, 255, 253, 255, 255, 247, 207, 255, 255, 255, 255, 255, 255, 127, 255, 255, 249, 219, 7, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255,
+    255, 31, 128, 63, 255, 67, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255,
+    15, 255, 3, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 31, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255,
+    255, 255, 143, 8, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 239, 255,
+    255, 255, 150, 254, 247, 10, 132, 234, 150, 170, 150, 247, 247, 94, 255, 251, 255, 15, 238,
+    251, 255, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 3, 255, 255, 255, 3,
+    255, 255, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+];
diff --git a/userspace/lib/ygglibc/src/headers/wctype/casecmp.rs b/userspace/lib/ygglibc/src/headers/wctype/casecmp.rs
new file mode 100644
index 00000000..bd229414
--- /dev/null
+++ b/userspace/lib/ygglibc/src/headers/wctype/casecmp.rs
@@ -0,0 +1,417 @@
+// Borrowed from relibc's wctype/casecmp.rs
+// Which in turn borrowed it from musl's src/ctype/casemap.h
+// Licensed under the MIT license
+// Copyright 2005-2020 Rich Felker, et al.
+
+use core::ffi::{c_int, c_uchar, c_uint};
+
+use super::wint_t;
+
+const tab: [c_uchar; 2666] = [
+    7, 8, 9, 10, 11, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 13, 6, 6, 14, 6, 6, 6, 6, 6, 6, 6, 6, 15,
+    16, 17, 18, 6, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 20, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 22, 23, 6, 6, 6, 24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 25, 6, 6, 6, 6, 26, 6, 6, 6, 6, 6, 6, 6, 27, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 29, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 43, 43, 43,
+    43, 43, 43, 43, 43, 1, 0, 84, 86, 86, 86, 86, 86, 86, 86, 86, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 43, 43, 43, 43, 43, 43, 43, 7, 43, 43, 91, 86, 86, 86, 86,
+    86, 86, 86, 74, 86, 86, 5, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 36,
+    80, 121, 49, 80, 49, 80, 49, 56, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80,
+    78, 49, 2, 78, 13, 13, 78, 3, 78, 0, 36, 110, 0, 78, 49, 38, 110, 81, 78, 36, 80, 78, 57, 20,
+    129, 27, 29, 29, 83, 49, 80, 49, 80, 13, 49, 80, 49, 80, 49, 80, 27, 83, 36, 80, 49, 2, 92,
+    123, 92, 123, 92, 123, 92, 123, 92, 123, 20, 121, 92, 123, 92, 123, 92, 45, 43, 73, 3, 72, 3,
+    120, 92, 123, 20, 0, 150, 10, 1, 43, 40, 6, 6, 0, 42, 6, 42, 42, 43, 7, 187, 181, 43, 30, 0,
+    43, 7, 43, 43, 43, 1, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 1, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 205, 70, 205, 43, 0, 37, 43, 7, 1, 6, 1, 85, 86, 86, 86, 86, 86, 85, 86, 86, 2,
+    36, 129, 129, 129, 129, 129, 21, 129, 129, 129, 0, 0, 43, 0, 178, 209, 178, 209, 178, 209, 178,
+    209, 0, 0, 205, 204, 1, 0, 215, 215, 215, 215, 215, 131, 129, 129, 129, 129, 129, 129, 129,
+    129, 129, 129, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 28, 0, 0, 0, 0, 0, 49, 80, 49,
+    80, 49, 80, 49, 80, 49, 80, 49, 2, 0, 0, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49,
+    80, 49, 80, 49, 80, 78, 49, 80, 49, 80, 78, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49,
+    80, 49, 2, 135, 166, 135, 166, 135, 166, 135, 166, 135, 166, 135, 166, 135, 166, 135, 166, 42,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 0, 0, 0, 84, 86, 86, 86, 86, 86, 86, 86, 86,
+    86, 86, 86, 86, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 84, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 12, 0, 12, 42, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 7, 42, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 86, 86, 108, 129, 21, 0, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 7, 108, 3, 65, 43, 43, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86,
+    86, 86, 86, 86, 44, 86, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 108, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 37, 6,
+    37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37,
+    6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 86, 122, 158, 38, 6, 37,
+    6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6, 37, 6,
+    37, 6, 1, 43, 43, 79, 86, 86, 44, 43, 127, 86, 86, 57, 43, 43, 85, 86, 86, 43, 43, 79, 86, 86,
+    44, 43, 127, 86, 86, 129, 55, 117, 91, 123, 92, 43, 43, 79, 86, 86, 2, 172, 4, 0, 0, 57, 43,
+    43, 85, 86, 86, 43, 43, 79, 86, 86, 44, 43, 43, 86, 86, 50, 19, 129, 87, 0, 111, 129, 126, 201,
+    215, 126, 45, 129, 129, 14, 126, 57, 127, 111, 87, 0, 129, 129, 126, 21, 0, 126, 3, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 7, 43, 36, 43, 151, 43, 43, 43, 43, 43, 43, 43, 43, 43, 42,
+    43, 43, 43, 43, 43, 86, 86, 86, 86, 86, 128, 129, 129, 129, 129, 57, 187, 42, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 1, 129, 129, 129, 129, 129, 129, 129, 129, 129,
+    129, 129, 129, 129, 129, 129, 201, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172,
+    172, 172, 172, 208, 13, 0, 78, 49, 2, 180, 193, 193, 215, 215, 36, 80, 49, 80, 49, 80, 49, 80,
+    49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80,
+    49, 80, 215, 215, 83, 193, 71, 212, 215, 215, 215, 5, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 7, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 78, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 49, 80, 13, 0, 0, 0, 0, 0, 36, 80,
+    49, 80, 49, 80, 49, 80, 49, 80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 121, 92,
+    123, 92, 123, 79, 123, 92, 123, 92, 123, 92, 123, 92, 123, 92, 123, 92, 123, 92, 123, 92, 123,
+    92, 123, 92, 45, 43, 43, 121, 20, 92, 123, 92, 45, 121, 42, 92, 39, 92, 123, 92, 123, 92, 123,
+    164, 0, 10, 180, 92, 123, 92, 123, 79, 3, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 43, 43, 43, 43, 43, 43, 43, 7,
+    0, 72, 86, 86, 86, 86, 86, 86, 86, 86, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 85, 86, 86, 86, 86, 86, 86,
+    86, 86, 86, 86, 86, 86, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 7, 0, 86, 86, 86,
+    86, 86, 86, 86, 86, 86, 86, 86, 86, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 43, 43, 43, 43, 43,
+    43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 7, 0, 0, 0, 0, 86, 86, 86, 86, 86, 86, 86, 86, 86,
+    86, 86, 86, 86, 86, 86, 86, 86, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 86, 86, 86, 86, 86, 86, 86, 86, 86,
+    86, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86,
+    14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 85, 86, 86,
+    86, 86, 86, 86, 86, 86, 86, 86, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+];
+
+const rules: [c_int; 240] = [
+    0x0, 0x2001, -0x2000, 0x1dbf00, 0x2e700, 0x7900, 0x2402, 0x101, -0x100, 0x0, 0x201, -0x200,
+    -0xc6ff, -0xe800, -0x78ff, -0x12c00, 0xc300, 0xd201, 0xce01, 0xcd01, 0x4f01, 0xca01, 0xcb01,
+    0xcf01, 0x6100, 0xd301, 0xd101, 0xa300, 0xd501, 0x8200, 0xd601, 0xda01, 0xd901, 0xdb01, 0x3800,
+    0x3, -0x4f00, -0x60ff, -0x37ff, 0x242802, 0x0, 0x101, -0x100, -0xcd00, -0xda00, -0x81ff,
+    0x2a2b01, -0xa2ff, 0x2a2801, 0x2a3f00, -0xc2ff, 0x4501, 0x4701, 0x2a1f00, 0x2a1c00, 0x2a1e00,
+    -0xd200, -0xce00, -0xca00, -0xcb00, 0xa54f00, 0xa54b00, -0xcf00, 0xa52800, 0xa54400, -0xd100,
+    -0xd300, 0x29f700, 0xa54100, 0x29fd00, -0xd500, -0xd600, 0x29e700, 0xa54300, 0xa52a00, -0x4500,
+    -0xd900, -0x4700, -0xdb00, 0xa51500, 0xa51200, 0x4c2402, 0x0, 0x2001, -0x2000, 0x101, -0x100,
+    0x5400, 0x7401, 0x2601, 0x2501, 0x4001, 0x3f01, -0x2600, -0x2500, -0x1f00, -0x4000, -0x3f00,
+    0x801, -0x3e00, -0x3900, -0x2f00, -0x3600, -0x800, -0x5600, -0x5000, 0x700, -0x7400, -0x3bff,
+    -0x6000, -0x6ff, 0x701a02, 0x101, -0x100, 0x2001, -0x2000, 0x5001, 0xf01, -0xf00, 0x0, 0x3001,
+    -0x3000, 0x101, -0x100, 0x0, 0xbc000, 0x1c6001, 0x0, 0x97d001, 0x801, -0x800, 0x8a0502, 0x0,
+    -0xbbfff, -0x186200, 0x89c200, -0x182500, -0x186e00, -0x186d00, -0x186400, -0x186300,
+    -0x185c00, 0x0, 0x8a3800, 0x8a0400, 0xee600, 0x101, -0x100, 0x0, -0x3b00, -0x1dbeff, 0x8f1d02,
+    0x800, -0x7ff, 0x0, 0x5600, -0x55ff, 0x4a00, 0x6400, 0x8000, 0x7000, 0x7e00, 0x900, -0x49ff,
+    -0x8ff, -0x1c2500, -0x63ff, -0x6fff, -0x7fff, -0x7dff, 0xac0502, 0x0, 0x1001, -0x1000, 0x1c01,
+    0x101, -0x1d5cff, -0x20beff, -0x2045ff, -0x1c00, 0xb10b02, 0x101, -0x100, 0x3001, -0x3000, 0x0,
+    -0x29f6ff, -0xee5ff, -0x29e6ff, -0x2a2b00, -0x2a2800, -0x2a1bff, -0x29fcff, -0x2a1eff,
+    -0x2a1dff, -0x2a3eff, 0x0, -0x1c6000, 0x0, 0x101, -0x100, 0xbc0c02, 0x0, 0x101, -0x100,
+    -0xa543ff, 0x3a001, -0x8a03ff, -0xa527ff, 0x3000, -0xa54eff, -0xa54aff, -0xa540ff, -0xa511ff,
+    -0xa529ff, -0xa514ff, -0x2fff, -0xa542ff, -0x8a37ff, 0x0, -0x97d000, -0x3a000, 0x0, 0x2001,
+    -0x2000, 0x0, 0x2801, -0x2800, 0x0, 0x4001, -0x4000, 0x0, 0x2001, -0x2000, 0x0, 0x2001,
+    -0x2000, 0x0, 0x2201, -0x2200,
+];
+
+const rulebases: [c_uchar; 512] = [
+    0, 6, 39, 81, 111, 119, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 124, 0, 0, 127, 0, 0, 0, 0, 0, 0, 0, 0,
+    131, 142, 146, 151, 0, 170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 180, 196, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 198, 201, 0, 0, 0, 219, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 222, 0, 0, 0, 0, 225, 0, 0, 0, 0, 0, 0, 0, 228, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 231, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 234, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 237, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+];
+
+const exceptions: [[c_uchar; 2]; 200] = [
+    [48, 12],
+    [49, 13],
+    [120, 14],
+    [127, 15],
+    [128, 16],
+    [129, 17],
+    [134, 18],
+    [137, 19],
+    [138, 19],
+    [142, 20],
+    [143, 21],
+    [144, 22],
+    [147, 19],
+    [148, 23],
+    [149, 24],
+    [150, 25],
+    [151, 26],
+    [154, 27],
+    [156, 25],
+    [157, 28],
+    [158, 29],
+    [159, 30],
+    [166, 31],
+    [169, 31],
+    [174, 31],
+    [177, 32],
+    [178, 32],
+    [183, 33],
+    [191, 34],
+    [197, 35],
+    [200, 35],
+    [203, 35],
+    [221, 36],
+    [242, 35],
+    [246, 37],
+    [247, 38],
+    [32, 45],
+    [58, 46],
+    [61, 47],
+    [62, 48],
+    [63, 49],
+    [64, 49],
+    [67, 50],
+    [68, 51],
+    [69, 52],
+    [80, 53],
+    [81, 54],
+    [82, 55],
+    [83, 56],
+    [84, 57],
+    [89, 58],
+    [91, 59],
+    [92, 60],
+    [97, 61],
+    [99, 62],
+    [101, 63],
+    [102, 64],
+    [104, 65],
+    [105, 66],
+    [106, 64],
+    [107, 67],
+    [108, 68],
+    [111, 66],
+    [113, 69],
+    [114, 70],
+    [117, 71],
+    [125, 72],
+    [130, 73],
+    [135, 74],
+    [137, 75],
+    [138, 76],
+    [139, 76],
+    [140, 77],
+    [146, 78],
+    [157, 79],
+    [158, 80],
+    [69, 87],
+    [123, 29],
+    [124, 29],
+    [125, 29],
+    [127, 88],
+    [134, 89],
+    [136, 90],
+    [137, 90],
+    [138, 90],
+    [140, 91],
+    [142, 92],
+    [143, 92],
+    [172, 93],
+    [173, 94],
+    [174, 94],
+    [175, 94],
+    [194, 95],
+    [204, 96],
+    [205, 97],
+    [206, 97],
+    [207, 98],
+    [208, 99],
+    [209, 100],
+    [213, 101],
+    [214, 102],
+    [215, 103],
+    [240, 104],
+    [241, 105],
+    [242, 106],
+    [243, 107],
+    [244, 108],
+    [245, 109],
+    [249, 110],
+    [253, 45],
+    [254, 45],
+    [255, 45],
+    [80, 105],
+    [81, 105],
+    [82, 105],
+    [83, 105],
+    [84, 105],
+    [85, 105],
+    [86, 105],
+    [87, 105],
+    [88, 105],
+    [89, 105],
+    [90, 105],
+    [91, 105],
+    [92, 105],
+    [93, 105],
+    [94, 105],
+    [95, 105],
+    [130, 0],
+    [131, 0],
+    [132, 0],
+    [133, 0],
+    [134, 0],
+    [135, 0],
+    [136, 0],
+    [137, 0],
+    [192, 117],
+    [207, 118],
+    [128, 137],
+    [129, 138],
+    [130, 139],
+    [133, 140],
+    [134, 141],
+    [112, 157],
+    [113, 157],
+    [118, 158],
+    [119, 158],
+    [120, 159],
+    [121, 159],
+    [122, 160],
+    [123, 160],
+    [124, 161],
+    [125, 161],
+    [179, 162],
+    [186, 163],
+    [187, 163],
+    [188, 164],
+    [190, 165],
+    [195, 162],
+    [204, 164],
+    [218, 166],
+    [219, 166],
+    [229, 106],
+    [234, 167],
+    [235, 167],
+    [236, 110],
+    [243, 162],
+    [248, 168],
+    [249, 168],
+    [250, 169],
+    [251, 169],
+    [252, 164],
+    [38, 176],
+    [42, 177],
+    [43, 178],
+    [78, 179],
+    [132, 8],
+    [98, 186],
+    [99, 187],
+    [100, 188],
+    [101, 189],
+    [102, 190],
+    [109, 191],
+    [110, 192],
+    [111, 193],
+    [112, 194],
+    [126, 195],
+    [127, 195],
+    [125, 207],
+    [141, 208],
+    [148, 209],
+    [171, 210],
+    [172, 211],
+    [173, 212],
+    [176, 213],
+    [177, 214],
+    [178, 215],
+    [196, 216],
+    [197, 217],
+    [198, 218],
+];
+
+pub fn casemap(mut c: u32, dir: i32) -> wint_t {
+    if c >= 0x20000 {
+        return c;
+    }
+    let c0 = c;
+    let b = c >> 8;
+    c &= 255;
+    let x = c / 3;
+    let y = c % 3;
+    /* lookup entry in two-level base-6 table */
+    let mut v: c_uint = tab[(tab[b as usize] as u32 * 86 + x) as usize] as c_uint;
+    let mt: [c_uint; 3] = [2048, 342, 57];
+    v = (v * mt[y as usize] >> 11) % 6;
+
+    /* use the bit vector out of the tables as an index into
+     * a block-specific set of rules and decode the rule into
+     * a type and a case-mapping delta. */
+    let mut r: c_int = rules[(rulebases[b as usize] as c_uint + v) as usize];
+    let mut rt: c_uint = (r & 255) as c_uint;
+    let mut rd: c_int = r >> 8;
+
+    /* rules 0/1 are simple lower/upper case with a delta.
+     * apply according to desired mapping direction. */
+    if rt < 2 {
+        let tmp = -((rt ^ dir as c_uint) as c_int) as c_uint;
+        return c0.wrapping_add(rd as c_uint & tmp);
+    }
+
+    /* binary search. endpoints of the binary search for
+     * this block are stored in the rule delta field. */
+    let mut xn: c_uint = (rd & 0xff) as c_uint;
+    let mut xb: c_uint = rd as c_uint >> 8;
+    while xn != 0 {
+        let attempt: c_uint = exceptions[(xb + xn / 2) as usize][0] as c_uint;
+        if attempt == c {
+            r = rules[exceptions[(xb + xn / 2) as usize][1] as usize];
+            rt = r as c_uint & 255;
+            rd = r >> 8;
+            if rt < 2 {
+                let tmp = -((rt ^ dir as c_uint) as c_int) as c_uint;
+                return c0.wrapping_add(rd as c_uint & tmp);
+            }
+            /* Hard-coded for the four exceptional titlecase */
+            if dir == 0 {
+                return c0 + 1;
+            } else {
+                return c0 - 1;
+            }
+        } else if attempt > c {
+            xn /= 2;
+        } else {
+            xb += xn / 2;
+            xn -= xn / 2;
+        }
+    }
+    return c0;
+}
diff --git a/userspace/lib/ygglibc/src/headers/wctype/mod.rs b/userspace/lib/ygglibc/src/headers/wctype/mod.rs
index 017ddd71..af4c44ee 100644
--- a/userspace/lib/ygglibc/src/headers/wctype/mod.rs
+++ b/userspace/lib/ygglibc/src/headers/wctype/mod.rs
@@ -1,7 +1,34 @@
+// Most functions are borrowed from relibc's wctype
+// Because these are extremely boring to implement
+
 use core::ffi::{c_char, c_int, c_uint};
 
+use casecmp::casemap;
+
+use crate::{headers::ctype, util::PointerStrExt};
+
 use super::locale::locale_t;
 
+mod alpha;
+mod casecmp;
+mod punct;
+
+pub const WCTYPE_ALNUM: wctype_t = 1;
+pub const WCTYPE_ALPHA: wctype_t = 2;
+pub const WCTYPE_BLANK: wctype_t = 3;
+pub const WCTYPE_CNTRL: wctype_t = 4;
+pub const WCTYPE_DIGIT: wctype_t = 5;
+pub const WCTYPE_GRAPH: wctype_t = 6;
+pub const WCTYPE_LOWER: wctype_t = 7;
+pub const WCTYPE_PRINT: wctype_t = 8;
+pub const WCTYPE_PUNCT: wctype_t = 9;
+pub const WCTYPE_SPACE: wctype_t = 10;
+pub const WCTYPE_UPPER: wctype_t = 11;
+pub const WCTYPE_XDIGIT: wctype_t = 12;
+
+const WCTRANSUP: wctrans_t = 1 as wctrans_t;
+const WCTRANSLW: wctrans_t = 2 as wctrans_t;
+
 pub type wint_t = c_uint;
 pub type wctype_t = c_int;
 pub type wctrans_t = c_int;
@@ -9,78 +36,133 @@ pub type wctrans_t = c_int;
 pub const WOF: wint_t = -1i32 as wint_t;
 
 #[no_mangle]
-unsafe extern "C" fn iswalnum(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswalnum(wc: wint_t) -> c_int {
+    c_int::from(iswdigit(wc) != 0 || iswalpha(wc) != 0)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswalpha(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswalpha(wc: wint_t) -> c_int {
+    c_int::from(alpha::is(wc as usize))
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswblank(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswblank(wc: wint_t) -> c_int {
+    ctype::isblank(wc as c_int)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswcntrl(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswcntrl(wc: wint_t) -> c_int {
+    c_int::from(
+        wc < 32
+            || wc.wrapping_sub(0x7f) < 33
+            || wc.wrapping_sub(0x2028) < 2
+            || wc.wrapping_sub(0xfff9) < 3,
+    )
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswdigit(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswdigit(wc: wint_t) -> c_int {
+    c_int::from(wc.wrapping_sub('0' as wint_t) < 10)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswgraph(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswgraph(wc: wint_t) -> c_int {
+    c_int::from(iswspace(wc) == 0 && iswprint(wc) != 0)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswlower(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswlower(wc: wint_t) -> c_int {
+    c_int::from(towupper(wc) != wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswprint(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswprint(wc: wint_t) -> c_int {
+    if wc < 0xff {
+        c_int::from((wc + 1 & 0x7f) >= 0x21)
+    } else if wc < 0x2028
+        || wc.wrapping_sub(0x202a) < 0xd800 - 0x202a
+        || wc.wrapping_sub(0xe000) < 0xfff9 - 0xe000
+    {
+        1
+    } else if wc.wrapping_sub(0xfffc) > 0x10ffff - 0xfffc || (wc & 0xfffe) == 0xfffe {
+        0
+    } else {
+        1
+    }
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswpunct(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswpunct(wc: wint_t) -> c_int {
+    c_int::from(punct::is(wc as usize))
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswspace(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswspace(wc: wint_t) -> c_int {
+    c_int::from(
+        [
+            ' ' as wint_t,
+            '\t' as wint_t,
+            '\n' as wint_t,
+            '\r' as wint_t,
+            11,
+            12,
+            0x0085,
+            0x2000,
+            0x2001,
+            0x2002,
+            0x2003,
+            0x2004,
+            0x2005,
+            0x2006,
+            0x2008,
+            0x2009,
+            0x200a,
+            0x2028,
+            0x2029,
+            0x205f,
+            0x3000,
+        ]
+        .contains(&wc),
+    )
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswupper(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswupper(wc: wint_t) -> c_int {
+    c_int::from(towlower(wc) != wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswxdigit(_wc: wint_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswxdigit(wc: wint_t) -> c_int {
+    c_int::from(wc.wrapping_sub('0' as wint_t) < 10 || (wc | 32).wrapping_sub('a' as wint_t) < 6)
 }
 
 #[no_mangle]
-unsafe extern "C" fn towlower(_wc: wint_t) -> wint_t {
-    todo!()
+unsafe extern "C" fn towlower(wc: wint_t) -> wint_t {
+    casemap(wc, 0)
 }
 
 #[no_mangle]
-unsafe extern "C" fn towupper(_wc: wint_t) -> wint_t {
-    todo!()
+unsafe extern "C" fn towupper(wc: wint_t) -> wint_t {
+    casemap(wc, 1)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswctype(_wc: wint_t, _ctype: wctype_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswctype(wc: wint_t, ctype: wctype_t) -> c_int {
+    match ctype {
+        WCTYPE_ALNUM => iswalnum(wc),
+        WCTYPE_ALPHA => iswalpha(wc),
+        WCTYPE_BLANK => iswblank(wc),
+        WCTYPE_CNTRL => iswcntrl(wc),
+        WCTYPE_DIGIT => iswdigit(wc),
+        WCTYPE_GRAPH => iswgraph(wc),
+        WCTYPE_LOWER => iswlower(wc),
+        WCTYPE_PRINT => iswprint(wc),
+        WCTYPE_PUNCT => iswpunct(wc),
+        WCTYPE_SPACE => iswspace(wc),
+        WCTYPE_UPPER => iswupper(wc),
+        WCTYPE_XDIGIT => iswxdigit(wc),
+        _ => 0,
+    }
 }
 
 #[no_mangle]
@@ -89,108 +171,132 @@ unsafe extern "C" fn wctype_t(_s: *const c_char) -> wctype_t {
 }
 
 #[no_mangle]
-unsafe extern "C" fn towctrans(_wc: wint_t, _trans: wctrans_t) -> wint_t {
-    todo!()
+unsafe extern "C" fn towctrans(wc: wint_t, trans: wctrans_t) -> wint_t {
+    match trans {
+        WCTRANSUP => towupper(wc),
+        WCTRANSLW => towlower(wc),
+        _ => wc,
+    }
 }
 
 #[no_mangle]
-unsafe extern "C" fn wctrans(_s: *const c_char) -> wctrans_t {
-    todo!()
+unsafe extern "C" fn wctrans(s: *const c_char) -> wctrans_t {
+    let s = s.ensure_str();
+    match s {
+        "toupper" => WCTRANSUP,
+        "tolower" => WCTRANSLW,
+        _ => 0 as wctrans_t,
+    }
 }
 
 #[no_mangle]
-unsafe extern "C" fn wctype(_s: *const c_char) -> wctype_t {
-    todo!()
+unsafe extern "C" fn wctype(s: *const c_char) -> wctype_t {
+    let s = s.ensure_str();
+    match s {
+        "alnum" => WCTYPE_ALNUM,
+        "alpha" => WCTYPE_ALPHA,
+        "blank" => WCTYPE_BLANK,
+        "cntrl" => WCTYPE_CNTRL,
+        "digit" => WCTYPE_DIGIT,
+        "graph" => WCTYPE_GRAPH,
+        "lower" => WCTYPE_LOWER,
+        "print" => WCTYPE_PRINT,
+        "punct" => WCTYPE_PUNCT,
+        "space" => WCTYPE_SPACE,
+        "upper" => WCTYPE_UPPER,
+        "xdigit" => WCTYPE_XDIGIT,
+        _ => 0,
+    }
 }
 
-// Locale
+// TODO Locales
 
 #[no_mangle]
-unsafe extern "C" fn iswalnum_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswalnum_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswalnum(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswalpha_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswalpha_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswalpha(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswblank_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswblank_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswblank(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswcntrl_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswcntrl_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswcntrl(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswdigit_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswdigit_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswdigit(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswgraph_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswgraph_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswgraph(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswlower_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswlower_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswlower(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswprint_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswprint_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswprint(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswpunct_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswpunct_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswpunct(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswspace_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswspace_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswspace(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswupper_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswupper_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswupper(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswxdigit_l(_wc: wint_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswxdigit_l(wc: wint_t, _locale: locale_t) -> c_int {
+    iswxdigit(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn towlower_l(_wc: wint_t, _locale: locale_t) -> wint_t {
-    todo!()
+unsafe extern "C" fn towlower_l(wc: wint_t, _locale: locale_t) -> wint_t {
+    towlower(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn towupper_l(_wc: wint_t, _locale: locale_t) -> wint_t {
-    todo!()
+unsafe extern "C" fn towupper_l(wc: wint_t, _locale: locale_t) -> wint_t {
+    towupper(wc)
 }
 
 #[no_mangle]
-unsafe extern "C" fn iswctype_l(_wc: wint_t, _ctype: wctype_t, _locale: locale_t) -> c_int {
-    todo!()
+unsafe extern "C" fn iswctype_l(wc: wint_t, ctype: wctype_t, _locale: locale_t) -> c_int {
+    iswctype(wc, ctype)
 }
 
 #[no_mangle]
-unsafe extern "C" fn towctrans_l(_wc: wint_t, _trans: wctrans_t, _locale: locale_t) -> wint_t {
-    todo!()
+unsafe extern "C" fn towctrans_l(wc: wint_t, trans: wctrans_t, _locale: locale_t) -> wint_t {
+    towctrans(wc, trans)
 }
 
 #[no_mangle]
-unsafe extern "C" fn wctrans_l(_s: *const c_char, _locale: locale_t) -> wctrans_t {
-    todo!()
+unsafe extern "C" fn wctrans_l(s: *const c_char, _locale: locale_t) -> wctrans_t {
+    wctrans(s)
 }
 
 #[no_mangle]
-unsafe extern "C" fn wctype_l(_s: *const c_char, _locale: locale_t) -> wctype_t {
-    todo!()
+unsafe extern "C" fn wctype_l(s: *const c_char, _locale: locale_t) -> wctype_t {
+    wctype(s)
 }
diff --git a/userspace/lib/ygglibc/src/headers/wctype/punct.rs b/userspace/lib/ygglibc/src/headers/wctype/punct.rs
new file mode 100644
index 00000000..3ae44ded
--- /dev/null
+++ b/userspace/lib/ygglibc/src/headers/wctype/punct.rs
@@ -0,0 +1,167 @@
+// Borrowed from relibc's wctype/punct.rs
+// Which in turn borrowed it from musl's src/ctype/punct.h
+// Licensed under the MIT license
+// Copyright 2005-2020 Rich Felker, et al.
+
+use core::ffi::c_uchar;
+
+pub fn is(wc: usize) -> c_uchar {
+    if wc < 0x20000 {
+        return (table[(table[wc >> 8] as usize) * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1;
+    }
+    return 0;
+}
+
+const table: [c_uchar; 4000] = [
+    18, 16, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 16, 16, 34, 35, 16, 36, 37,
+    38, 39, 40, 41, 42, 43, 16, 44, 45, 46, 17, 17, 47, 17, 17, 17, 17, 17, 17, 48, 49, 50, 51, 52,
+    53, 54, 55, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 56, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 57, 16, 58, 59,
+    60, 61, 62, 63, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 64, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 65, 16, 16, 66, 16, 67, 68, 69, 16, 70, 71, 72, 16, 73, 16, 16,
+    74, 75, 76, 77, 78, 16, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 16, 92, 93, 94, 95,
+    16, 16, 16, 16, 96, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 97, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 98, 99, 16, 16, 100, 101, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 102, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 103, 104, 105, 106, 16, 16, 107, 108, 17, 17, 109, 16,
+    16, 16, 16, 16, 16, 110, 111, 16, 16, 16, 16, 16, 112, 113, 16, 16, 114, 115, 116, 16, 117,
+    118, 119, 17, 17, 17, 120, 121, 122, 123, 124, 16, 16, 16, 16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 254, 255, 0, 252, 1, 0, 0, 248, 1, 0, 0,
+    120, 0, 0, 0, 0, 255, 251, 223, 251, 0, 0, 128, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 60, 0, 252, 255, 224, 175, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 223, 255, 255, 255, 255, 255, 32, 64, 176, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 3, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 0, 0, 0, 0, 0, 230, 254, 255, 255,
+    255, 0, 64, 73, 0, 0, 0, 0, 0, 24, 0, 255, 255, 0, 216, 0, 0, 0, 0, 0, 0, 0, 1, 0, 60, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 224, 1, 30, 0, 96, 255, 191, 0, 0, 0, 0, 0, 0, 255, 7, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 248, 207, 227, 0, 0, 0, 3, 0, 32, 255, 127, 0,
+    0, 0, 78, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 7, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    16, 0, 32, 30, 0, 48, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 32, 0, 0, 0, 0, 252, 111, 0, 0, 0,
+    0, 0, 0, 0, 16, 0, 32, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 32, 0, 0, 0, 0, 3, 224,
+    0, 0, 0, 0, 0, 0, 0, 16, 0, 32, 0, 0, 0, 0, 253, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0,
+    255, 7, 16, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 128, 255, 16, 0, 0, 0, 0, 0, 0, 16, 0, 32,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 0, 160, 0, 127, 0, 0, 255, 3, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 4, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 128, 0, 128, 192, 223, 0, 12, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 4, 0, 31, 0, 0, 0, 0, 0, 0, 254, 255, 255, 255, 0, 252, 255, 255, 0, 0, 0, 0, 0, 0,
+    0, 0, 252, 0, 0, 0, 0, 0, 0, 192, 255, 223, 255, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 6, 0,
+    252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 224, 255, 255, 255, 31, 0, 0, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 96, 0, 0, 1, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0,
+    16, 0, 0, 0, 112, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, 254, 127, 47, 0, 0,
+    255, 3, 255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 49, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    196, 255, 255, 255, 255, 0, 0, 0, 192, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 224, 159, 0, 0, 0, 0, 127,
+    63, 255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 16, 0, 0, 252, 255, 255, 255,
+    31, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 64, 0, 12, 240, 0, 0, 0, 0, 0, 0, 128, 248, 0, 0, 0,
+    0, 0, 0, 0, 192, 0, 0, 0, 0, 0, 0, 0, 0, 255, 0, 255, 255, 255, 33, 144, 3, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 127, 0, 224, 251, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 160, 3, 224, 0, 224, 0, 224,
+    0, 96, 128, 248, 255, 255, 255, 252, 255, 255, 255, 255, 255, 127, 223, 255, 241, 127, 255,
+    127, 0, 0, 255, 255, 255, 255, 0, 0, 255, 255, 255, 255, 1, 0, 123, 3, 208, 193, 175, 66, 0,
+    12, 31, 188, 255, 255, 0, 0, 0, 0, 0, 14, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 127, 0, 0, 0, 255, 7, 0, 0, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 63, 0, 0, 0, 0, 0, 0, 252, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 207, 255, 255, 255, 63, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 224, 135, 3, 254, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 128, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255,
+    0, 0, 0, 0, 0, 0, 255, 255, 255, 251, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 15, 0,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 63, 0, 0, 0, 255, 15, 30, 255, 255, 255, 1, 252, 193, 224,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 0, 0, 255, 255, 255, 255, 15, 0, 0, 0, 255,
+    255, 255, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+    255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 127, 0, 0, 0, 0, 0, 0, 192,
+    0, 224, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 15, 112, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 255, 0, 255, 255, 127, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 15, 255, 3, 0, 0, 0, 0, 0, 0, 240, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    16, 192, 0, 0, 255, 255, 3, 23, 0, 0, 0, 0, 0, 248, 0, 0, 0, 0, 8, 128, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 8, 0, 255, 63, 0, 192, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 240, 0, 0, 128, 3, 0,
+    0, 0, 0, 0, 0, 0, 128, 2, 0, 0, 192, 0, 0, 67, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 255, 255, 255, 3, 255, 255,
+    255, 255, 255, 255, 247, 255, 127, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128,
+    254, 255, 0, 252, 1, 0, 0, 248, 1, 0, 0, 248, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    127, 127, 0, 48, 135, 255, 255, 255, 255, 255, 143, 255, 0, 0, 0, 0, 0, 0, 224, 255, 255, 127,
+    255, 15, 1, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 15, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 128, 255, 0, 0, 128, 255, 0, 0, 0, 0, 128, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 248, 0, 0,
+    192, 143, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 255, 255, 252, 255,
+    255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 135, 255, 1, 255, 1, 0, 0, 0, 224, 0, 0, 0, 224, 0, 0,
+    0, 0, 0, 1, 0, 0, 96, 248, 127, 0, 0, 0, 0, 0, 0, 0, 0, 254, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0,
+    0, 30, 0, 254, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255,
+    255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 127, 0, 0, 0, 192, 255,
+    255, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    192, 63, 252, 255, 63, 0, 0, 128, 3, 0, 0, 0, 0, 0, 0, 254, 3, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 24, 0, 15, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 225, 63, 0, 232, 254, 255,
+    31, 0, 0, 0, 0, 0, 0, 0, 96, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0,
+    6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 0, 32, 0, 0, 192, 31, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68, 248, 0, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 76,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128,
+    255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 14, 0, 0, 0, 255, 31, 0, 0, 0, 0, 0, 0,
+    0, 0, 192, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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