fwrite (fs->buf, 1, fs->p - fs->buf, fs->stream);
fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
__argp_fmtstream_free (argp_fmtstream_t fs){  __argp_fmtstream_update (fs);  if (fs->p > fs->buf)    fwrite (fs->buf, 1, fs->p - fs->buf, fs->stream);  free (fs->buf);  free (fs);}