SV4_TRYSECINFO
svp->sv_flags |= SV4_TRYSECINFO;
svp->sv_flags &= ~SV4_TRYSECINFO;
svp->sv_flags |= SV4_TRYSECINFO;
svp->sv_flags &= ~SV4_TRYSECINFO;
svp->sv_flags &= ~SV4_TRYSECINFO;
if ((svp->sv_flags & SV4_TRYSECINFO) && svp->sv_secinfo) {
svp->sv_flags &= ~SV4_TRYSECINFO;