Defined in 4 files as a prototype:
- contrib/libcxxrt/unwind-itanium.h, line 143 (as a prototype)
- contrib/llvm-project/clang/lib/Headers/unwind.h, line 278 (as a prototype)
- contrib/llvm-project/libunwind/include/unwind.h, line 352 (as a prototype)
- include/unwind.h, line 149 (as a prototype)