ngx_http_gzip_filter_free  105 http/modules/ngx_http_gzip_filter_module.c static void ngx_http_gzip_filter_free(void *opaque, void *address);
ngx_http_gzip_filter_free  605 http/modules/ngx_http_gzip_filter_module.c     ctx->zstream.zfree = ngx_http_gzip_filter_free;