tradcpp(1) on OpenBSD
The text f59106a9b74b, as OpenBSD 8.0-current (2026-11-01), OpenBSD 8.0, OpenBSD 7.9, OpenBSD 7.8, OpenBSD 7.7, OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3, OpenBSD 7.2, OpenBSD 7.1, OpenBSD 7.0, OpenBSD 6.9, OpenBSD 6.8, OpenBSD 6.7, OpenBSD 6.6, OpenBSD 6.5, OpenBSD 6.4 shipped it. The page shows this text now.
traditional (K&R-style) C macro preprocessor
Flags it lists
-
-C -
-CC -
-Dmacro -
-H -
-Ipath -
-M -
-MD -
-MF -
-MG -
-MM -
-MMD -
-MP -
-MQ -
-MT -
-P -
-Umacro -
-Wall -
-Wcomment -
-Werror -
-Wno-endif-labels -
-Wundef -
-Wunused-macros -
-dD -
-dI -
-dM -
-dN -
-debuglog -
-fdollars-in-identifiers -
-fno-dollars-in-identifiers -
-ftabstop -
-idirafter -
-imacros -
-include -
-iprefix -
-iquote -
-iremap -
-isysroot -
-isystem -
-iwithprefix -
-iwithprefixbefore -
-nostdinc -
-std -
-traditional -
-undef -
-w -
-x