Freestanding headers

kernel/std/include/stdbool.h

@@ -0,0 +1,37 @@
+/* Copyright (C) 2022-2025 Mintsuki and contributors.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __FREESTND_C_HDRS_STDBOOL_H
+#define __FREESTND_C_HDRS_STDBOOL_H 1
+
+#ifndef __cplusplus
+
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L
+    /* These do not need to be defined for C23+ */
+#else
+#  undef bool
+#  define bool _Bool
+
+#  undef true
+#  define true 1
+#  undef false
+#  define false 0
+#endif
+
+#endif
+
+#undef __bool_true_false_are_defined
+#define __bool_true_false_are_defined 1
+
+#endif