Some platforms don't know sa_family_t or define it other than uint16_t.
[tinc] / lib / getopt.c
2003-07-30 Guus SliepenPrevent definitions from messing up attributes.
2002-08-24 Guus SliepenGettext 1.11.5 compatibility.
2000-05-03 Ivo Timmermansgetopt_long() support for platforms that don't have it.