sk_X509_new_null 2081 ext/openssl/openssl.c if(!(stack = sk_X509_new_null())) { sk_X509_new_null 2330 ext/openssl/openssl.c sk = sk_X509_new_null(); sk_X509_new_null 4183 ext/openssl/openssl.c recipcerts = sk_X509_new_null();