I remember doing this - one C file with about 100 lines from #include "file001.c" to #include "file299.c" These were files from a library that used a large n

I remember doing this - one C file with about 100 lines from #include "file001.c" to #include "file299.c" These were files from a library that used a large number of tiny files, we prefered to embed this in our project rather than link in. Massive build time reduction. There is some technical name for this other than "compilation unit grouping" - I forget what