MODSSL_CLIENT_CERT_CB_ARG_TYPE 1515 modules/ssl/ssl_engine_kernel.c int ssl_callback_proxy_cert(SSL *ssl, MODSSL_CLIENT_CERT_CB_ARG_TYPE **x509, EVP_PKEY **pkey)
MODSSL_CLIENT_CERT_CB_ARG_TYPE  553 modules/ssl/ssl_private.h int          ssl_callback_proxy_cert(SSL *ssl, MODSSL_CLIENT_CERT_CB_ARG_TYPE **x509, EVP_PKEY **pkey);