STACK_OF          107 ext/openssl/ossl.h STACK_OF(X509) *ossl_x509_ary2sk0(VALUE);
STACK_OF          652 ext/openssl/ossl_pkcs7.c static STACK_OF(X509) *
STACK_OF          675 ext/openssl/ossl_pkcs7.c static STACK_OF(X509_CRL) *