rumpcomp_sockin_setsockopt
error = rumpcomp_sockin_setsockopt(news,
error = rumpcomp_sockin_setsockopt(news,
return rumpcomp_sockin_setsockopt(SO2S(so), sopt->sopt_level,
int rumpcomp_sockin_setsockopt(int, int, int, const void *, int);