Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/include/HatBuiltin.hi
interface HatBuiltin where { interface ! HatBuiltin {-# NEED CStructure #-} data CStructure; {-# NEED NmType #-} data NmType; {-# NEED SR #-} data SR; {-# NEED FileTrace #-} data FileTrace; }