Defined in 4 files as a macro:
- external/bsd/am-utils/include/config.h, line 839 (as a macro)
- external/bsd/flex/include/config.h, line 95 (as a macro)
- external/gpl2/xcvs/include/config.h, line 547 (as a macro)
- lib/libedit/config.h, line 83 (as a macro)