Defined in 4 files as a macro:
- contrib/sendmail/include/sm/os/sm_os_dragonfly.h, line 20 (as a macro)
- contrib/sendmail/include/sm/os/sm_os_freebsd.h, line 23 (as a macro)
- contrib/sendmail/libmilter/libmilter.h, line 243 (as a macro)
- contrib/sendmail/libmilter/libmilter.h, line 245 (as a macro)