XPT_PRINT_LEN
char buffer[XPT_PRINT_LEN];
sbuf_new(&sb, buffer, XPT_PRINT_LEN, SBUF_FIXEDLEN);
char buffer[XPT_PRINT_LEN];
sbuf_new(&sb, buffer, XPT_PRINT_LEN, SBUF_FIXEDLEN);
char buf[XPT_PRINT_LEN]; /* balance to not eat too much stack */
char buf[XPT_PRINT_LEN]; /* balance to not eat too much stack */
char buf[XPT_PRINT_LEN]; /* balance to not eat too much stack */
_Static_assert(XPT_PRINT_LEN <= XPT_PRINT_MAXLEN, "XPT_PRINT_LEN is too large");