Mock up of the software. Fully generated with Gemini 3.8 as a proof of concept.

vendor/llvm/include/clang-c/CXString.h

@@ -0,0 +1,69 @@
+/*===-- clang-c/CXString.h - C Index strings  --------------------*- C -*-===*\
+|*                                                                            *|
+|* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
+|* Exceptions.                                                                *|
+|* See https://llvm.org/LICENSE.txt for license information.                  *|
+|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header provides the interface to C Index strings.                     *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_CLANG_C_CXSTRING_H
+#define LLVM_CLANG_C_CXSTRING_H
+
+#include "clang-c/ExternC.h"
+#include "clang-c/Platform.h"
+
+LLVM_CLANG_C_EXTERN_C_BEGIN
+
+/**
+ * \defgroup CINDEX_STRING String manipulation routines
+ * \ingroup CINDEX
+ *
+ * @{
+ */
+
+/**
+ * A character string.
+ *
+ * The \c CXString type is used to return strings from the interface when
+ * the ownership of that string might differ from one call to the next.
+ * Use \c clang_getCString() to retrieve the string data and, once finished
+ * with the string data, call \c clang_disposeString() to free the string.
+ */
+typedef struct {
+  const void *data;
+  unsigned private_flags;
+} CXString;
+
+typedef struct {
+  CXString *Strings;
+  unsigned Count;
+} CXStringSet;
+
+/**
+ * Retrieve the character data associated with the given string.
+ */
+CINDEX_LINKAGE const char *clang_getCString(CXString string);
+
+/**
+ * Free the given string.
+ */
+CINDEX_LINKAGE void clang_disposeString(CXString string);
+
+/**
+ * Free the given string set.
+ */
+CINDEX_LINKAGE void clang_disposeStringSet(CXStringSet *set);
+
+/**
+ * @}
+ */
+
+LLVM_CLANG_C_EXTERN_C_END
+
+#endif
+