ngx_ssl_send_chain 1159 src/event/ngx_event_openssl.c         c->send_chain = ngx_ssl_send_chain;
ngx_ssl_send_chain  198 src/event/ngx_event_openssl.h ngx_chain_t *ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in,