Defined in 5 files as a macro:
- external/bsd/ipf/dist/sys/tree.h, line 285 (as a macro)
- external/bsd/libevent/dist/WIN32-Code/tree.h, line 283 (as a macro)
- external/bsd/ntp/dist/sntp/libevent/WIN32-Code/tree.h, line 284 (as a macro)
- external/mit/libuv/dist/include/uv/tree.h, line 289 (as a macro)
- sys/sys/tree.h, line 283 (as a macro)