Defined in 4 files as a macro:
- contrib/mandoc/config.h, line 28 (as a macro)
- crypto/openssh/config.h, line 891 (as a macro)
- gnu/usr.bin/binutils/libbinutils/config.h, line 101 (as a macro)
- lib/clang/include/llvm/Config/config.h, line 156 (as a macro)