Defined in 3 files as a prototype:
- external/bsd/llvm/dist/clang/test/Analysis/malloc.c, line 1281 (as a prototype)
- external/bsd/llvm/dist/clang/test/CodeGen/mangle-blocks.c, line 3 (as a prototype)
- sys/external/bsd/compiler_rt/dist/lib/builtins/int_util.c, line 37 (as a prototype)