gss_set_neg_mechs
maj_stat = gss_set_neg_mechs(&min_stat, cred, &neg_mechs);
GSS_ADD_DYNAMIC_METHOD_NOLOOP(dl, mech, gss_set_neg_mechs);
if (mech->gss_set_neg_mechs == NULL)
status = (mech->gss_set_neg_mechs)(minor_status,
OM_uint32 (KRB5_CALLCONV *gss_set_neg_mechs)
(void) gss_set_neg_mechs(minor_status,