toprint
(void) fputs(c == '\n' ? sep1 : toprint(c),
toprint(c));
static const char *toprint(wint_t);
__print2buf(LineBuf *line, const char *toprint, char *sep)
newsz = strlen(toprint) + line->len + 1;
(void) strlcat(line->str, toprint, line->alloc);
int __print2buf(LineBuf *line, const char *toprint, char *sep);