git: libc: Document getprotoent_r(), getprotobynumber_r(), and getprotobyname_r().

[Sascha Wildner]

commit 40402d3ed280e7feed53e03028bb6cc19d247240
Author: Sascha Wildner <saw at online.de>
Date:   Sat May 4 12:20:06 2019 +0200

    libc: Document getprotoent_r(), getprotobynumber_r(), and getprotobyname_r().
    
    Partially-taken-from: OpenBSD

Summary of changes:
 lib/libc/net/Makefile.inc  |  3 ++
 lib/libc/net/getprotoent.3 | 75 +++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 71 insertions(+), 7 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/40402d3ed280e7feed53e03028bb6cc19d247240


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