/* get dpath of userid */
nun = alloca((size_t)(arodot - uname) + strlen(userid) + strlen(arodot) + 1);
stpcpy(stpcpy(stpncpy(nun, uname, (size_t)(arodot - uname)), userid), arodot);
/* get dpath of userid */
nun = alloca((size_t)(arodot - uname) + strlen(userid) + strlen(arodot) + 1);
stpcpy(stpcpy(stpncpy(nun, uname, (size_t)(arodot - uname)), userid), arodot);