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Update example to something people less than 40 years old have heard about.

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This commit is contained in:
Poul-Henning Kamp 2018-10-21 07:30:26 +00:00
parent 983a395d1a
commit 01652e9c8e
1 changed files with 2 additions and 7 deletions
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9
lib/libc/sys/recv.2
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@ -260,13 +260,8 @@ struct cmsghdr {
};
.Ed
.Pp
As an example, one could use this to learn of changes in the data-stream
in XNS/SPP, or in ISO, to obtain user-connection-request data by requesting
a
.Fn recvmsg
with no data buffer provided immediately after an
.Fn accept
system call.
As an example, the SO_TIMESTAMP socket option returns a reception
timestamp for UDP packets.
.Pp
With
.Dv AF_UNIX