HelenOS sources

uspace/lib/c/generic/private/ns.h
uspace/lib/c/include/ipc/ns.h
uspace/lib/c/include/ns.h
uspace/lib/posix/include/libc/ipc/ns.h
uspace/lib/posix/include/libc/ns.h
uspace/srv/ns/ns.h
HelenOS homepage, sources at GitHub