void svec_print(const struct svec *svec, const char *title);
void svec_parse_words(struct svec *svec, const char *words);
bool svec_equal(const struct svec *, const struct svec *);
+void svec_split(struct svec *, const char *s, const char *delimiters);
char *svec_join(const struct svec *,
const char *delimiter, const char *terminator);
const char *svec_back(const struct svec *);