ngx_ssl_recv_chain 1158 src/event/ngx_event_openssl.c         c->recv_chain = ngx_ssl_recv_chain;
ngx_ssl_recv_chain  197 src/event/ngx_event_openssl.h ssize_t ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl, off_t limit);