Defined in 6 files as a macro:
- contrib/diff/config.h, line 217 (as a macro)
- gnu/lib/libdialog/dlg_config.h, line 52 (as a macro)
- gnu/lib/libreadline/config.h, line 203 (as a macro)
- gnu/lib/libstdc++/config.h, line 230 (as a macro)
- lib/libmagic/config.h, line 109 (as a macro)
- usr.bin/grep/regex/glue.h, line 14 (as a macro)