#define _FOREACH_WORD(word, length, s, separator, quoted, state) \
for ((state) = (s), (word) = split(&(state), &(length), (separator), (quoted)); (word); (word) = split(&(state), &(length), (separator), (quoted)))
char *strappend(const char *s, const char *suffix);
char *strnappend(const char *s, const char *suffix, size_t length);
#define _FOREACH_WORD(word, length, s, separator, quoted, state) \
for ((state) = (s), (word) = split(&(state), &(length), (separator), (quoted)); (word); (word) = split(&(state), &(length), (separator), (quoted)))
char *strappend(const char *s, const char *suffix);
char *strnappend(const char *s, const char *suffix, size_t length);