swapcfile
extern int swapcfile __P((PKGserver server, VFP_T **a_tmpvfp,
if ((n = swapcfile(pkgserver, &cfTmpVfp, pkginst, 1))
n = swapcfile(pkgserver, a_cfTmpVfp, pkginst, dbchg);
n = swapcfile(pkgserver, &cfTmpVfp, pkginst, dbchg);
n = swapcfile(*pkgserver, tmpfp, pkginst, dbchg);