SSL_CTX_use_certificate_chain_mem
LSSL_USED(SSL_CTX_use_certificate_chain_mem);
int SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len);
LSSL_ALIAS(SSL_CTX_use_certificate_chain_mem);
if (SSL_CTX_use_certificate_chain_mem(ssl_ctx,