rem: return 1;
add: return true;
context: valid_options (const struct cp_options *co){  assert (co != NULL);  assert (VALID_BACKUP_TYPE (co->backup_type));  /* FIXME: for some reason this assertion always fails,     at least on Solaris2.5.1.  Just disable it for now.  */  /* assert (co->xstat == lstat || co->xstat == stat); */  /* Make sure xstat and dereference are consistent.  */  /* FIXME */  assert (VALID_SPARSE_MODE (co->sparse_mode));  return 1;}