X509_PURPOSE_get0
xptmp = X509_PURPOSE_get0(i);
X509_PURPOSE *ptmp = X509_PURPOSE_get0(i);
X509_PURPOSE *ptmp = X509_PURPOSE_get0(i);
ptmp = X509_PURPOSE_get0(j);
pt = X509_PURPOSE_get0(idx);
xptmp = X509_PURPOSE_get0(i);
ptmp = X509_PURPOSE_get0(idx);
ptmp = X509_PURPOSE_get0(idx);
ptmp = X509_PURPOSE_get0(idx);
X509_PURPOSE * X509_PURPOSE_get0(int idx);