/*
* We must send one line (and one line only) in a single write
* call. In case of a write error, libc may accumulate the
* unwritten data and try to write it again later, resulting in a
* multi-line write. So we must explicitly ask it to throw away
/*
* We must send one line (and one line only) in a single write
* call. In case of a write error, libc may accumulate the
* unwritten data and try to write it again later, resulting in a
* multi-line write. So we must explicitly ask it to throw away