ngx_ssl_recv     1156 src/event/ngx_event_openssl.c         c->recv = ngx_ssl_recv;
ngx_ssl_recv     1278 src/event/ngx_event_openssl.c         n = ngx_ssl_recv(c, last, size);
ngx_ssl_recv      195 src/event/ngx_event_openssl.h ssize_t ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size);