Appends multiple strings pointed to a string.
#include <utf8.h> utf8_t *utf8list ( utf8_t *tgt, const utf8_t *s1, ... );
(OUT) Points to the string to which to append a copy of another string.
(IN) Points to the strings to be appended.
Returns the value of tgt.
The last argument in the function must be a null-terminating character.