mainfd= open(pathbuf_sfx(&rw->pbsome,".main"), O_RDONLY);
if (mainfd<0) PE("open exist3ing database file .main");
rc= acquire_lock(ip, &rw->pbsome, &rw->lock_fd); if (rc) goto x_rc;
mainfd= open(pathbuf_sfx(&rw->pbsome,".main"), O_RDONLY);
if (mainfd<0) PE("open exist3ing database file .main");
rc= acquire_lock(ip, &rw->pbsome, &rw->lock_fd); if (rc) goto x_rc;