vstr_free_base(req->tag);            req->tag            = NULL;
void http_req_exit(void){  Httpd_req_data *req = http_req_make(NULL);  struct Http_hdrs__multi *tmp = NULL;    if (!req)    return;  tmp = req->http_hdrs->multi;    vstr_free_base(req->fname);          req->fname          = NULL;  vstr_free_base(tmp->combiner_store); tmp->combiner_store = NULL;  vstr_free_base(req->f_mmap);         req->f_mmap         = NULL;  vstr_free_base(req->xtra_content);   req->xtra_content   = NULL;  vstr_sects_free(req->sects);         req->sects          = NULL;    req->done_once = FALSE;  req->using_req = FALSE;}