NGX_SSL_BUFFERED  945 event/ngx_event_openssl.c                 c->buffered |= NGX_SSL_BUFFERED;
NGX_SSL_BUFFERED 1041 event/ngx_event_openssl.c             c->buffered |= NGX_SSL_BUFFERED;
NGX_SSL_BUFFERED 1063 event/ngx_event_openssl.c         c->buffered |= NGX_SSL_BUFFERED;
NGX_SSL_BUFFERED 1066 event/ngx_event_openssl.c         c->buffered &= ~NGX_SSL_BUFFERED;