fwopen
if ((fp = fwopen(dest, doformat_wr)) != NULL) {
return fwopen(out1, doformat_wr);
fp = fwopen(&tbuf_cookie, writehook);
fmt_fp = fwopen(&fmt_cookie, writehook);
ATF_REQUIRE((f = fwopen(&s, writefn)) != NULL);
ATF_REQUIRE((f = fwopen(&s, writefn)) != NULL);
freebsd::FILE_up fp(fwopen(reinterpret_cast<void *>(&str),