462   size_t p_len = strlen (a);  in seq_fast()  local
468   size_t inc_size = MAX (MAX (p_len + 1, q_len), INITIAL_ALLOC_DIGITS);  in seq_fast()
474   char *p = memcpy (p0 + inc_size - p_len, a, p_len + 1);  in seq_fast()
485   bool ok = inf || cmp (p, p_len, q, q_len) <= 0;  in seq_fast()
498       bufp = mempcpy (bufp, p, p_len);  in seq_fast()
504             incr (&p, &p_len);  in seq_fast()
506           if (! inf && 0 < cmp (p, p_len, q, q_len))  in seq_fast()
512           if (p_len == inc_size)  in seq_fast()
516               p = memmove (p0 + p_len, p0, p_len + 1);  in seq_fast()
528           bufp = mempcpy (bufp, p, p_len);  in seq_fast()
531           if (buf_end - (p_len + 1) < bufp)  in seq_fast()