_fetch_read_word
while ((word = _fetch_read_word(f)) != NULL) {
(word = _fetch_read_word(f)) != NULL &&
while ((word = _fetch_read_word(f)) != NULL) {
if ((word = _fetch_read_word(f)) == NULL)
if ((word = _fetch_read_word(f)) == NULL)
if ((word = _fetch_read_word(f)) == NULL)