Defined in 4 files as a macro:
- contrib/libevent/select.c, line 37 (as a macro)
- contrib/llvm/tools/lldb/source/Host/posix/ConnectionFileDescriptorPosix.cpp, line 14 (as a macro)
- contrib/llvm/tools/lldb/source/Utility/SelectHelper.cpp, line 14 (as a macro)
- contrib/ntp/lib/isc/unix/socket.c, line 162 (as a macro)