Defined in 3 files as a macro:
- external/bsd/libevent/dist/WIN32-Code/nmake/event2/event-config.h, line 290 (as a macro)
- external/bsd/libevent/include/event2/event-config.h, line 459 (as a macro)
- external/bsd/ntp/dist/sntp/libevent/WIN32-Code/nmake/event2/event-config.h, line 294 (as a macro)