ngx_http_log_gzip_free  103 src/http/modules/ngx_http_log_module.c static void ngx_http_log_gzip_free(void *opaque, void *address);
ngx_http_log_gzip_free  606 src/http/modules/ngx_http_log_module.c     zstream.zfree = ngx_http_log_gzip_free;