ossl_x509stctx_set_purpose  411 ext/openssl/ossl_x509store.c static VALUE ossl_x509stctx_set_purpose(VALUE, VALUE);
ossl_x509stctx_set_purpose  688 ext/openssl/ossl_x509store.c     rb_define_method(x509stctx,"purpose=",    ossl_x509stctx_set_purpose, 1);