NGX_HTTP_DISCARD_BUFFER_SIZE  718 src/http/ngx_http_request_body.c     u_char     buffer[NGX_HTTP_DISCARD_BUFFER_SIZE];
NGX_HTTP_DISCARD_BUFFER_SIZE  738 src/http/ngx_http_request_body.c                                 NGX_HTTP_DISCARD_BUFFER_SIZE);