This directory contains identical copy of typedstream.h distributed with the GNU compiler. In the Makefile in the directory above, ./ is in the include path before /usr/include, then this file will be picked up before /usr/include/objc/typedstream.h which is what we want for compiling the files that make up the translator.
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.