From f7e8b05b7e51cb924ce5bd2a5c98650e83f03f99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AB=8F=E8=A8=AA=E5=AD=90?= <suwako@076.moe>
Date: Mon, 15 Dec 2025 16:02:43 +0900
Subject: [PATCH] =?UTF-8?q?4=E3=83=93=E3=83=83=E3=83=88=E3=81=A8128?=
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---
 exstdtype.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/exstdtype.h b/exstdtype.h
index 2495f80..d4a517d 100644
--- a/exstdtype.h
+++ b/exstdtype.h
@@ -69,4 +69,19 @@ typedef struct {
   i32 length;
 } String;
 
+// 下記はC23のみの類だ
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L
+typedef unsigned _BitInt(4) uint4_t;
+typedef signed _BitInt(4) int4_t;
+typedef unsigned _BitInt(4) u4;
+typedef signed _BitInt(4) i4;
+
+#ifndef __SIZEOF_INT128__
+typedef unsigned _BitInt(128) uint128_t;
+typedef signed _BitInt(128) int128_t;
+typedef unsigned _BitInt(128) u128;
+typedef signed _BitInt(128) i128;
+#endif
+#endif
+
 #endif // __EXSTDTYPE_H