Ian Lance Taylor <ian@xxxxxxxx> writes: > My general understanding is that you should not use <linux/...h> > unless you are writing kernel code. My general understanding is > although that msgbuf is not in SVID, although message queues are. But > I am not an expert, and I am quite likely wrong. Plus, I can't write English. I mean that msgbuf is not in SVID, although message queues are. msgbuf was added later. Ian