_PATH_BTMP
#if defined(USE_BTMP) && defined(_PATH_BTMP)
if ((fd = open(_PATH_BTMP, O_WRONLY | O_APPEND)) < 0) {
debug("Unable to open the btmp file %s: %s", _PATH_BTMP,
logit("%s: fstat of %s failed: %s", __func__, _PATH_BTMP,
_PATH_BTMP);
error("Failed to write to %s: %s", _PATH_BTMP,