unit_number__scnprintf
unit_number__scnprintf(buf, sizeof(buf), wakeup_size);
unit_number__scnprintf(buf, sizeof(buf), test[i].n);
ret = unit_number__scnprintf(buf_cur, sizeof(buf_cur), p->curr);
ret += unit_number__scnprintf(buf_tot, sizeof(buf_tot), p->total);
unit_number__scnprintf(buf, sizeof(buf), pages * page_size);
unit_number__scnprintf(buf_size, 50, size);
if (!size || !unit_number__scnprintf(str, PAGE_SIZE_NAME_LEN, size))
int unit_number__scnprintf(char *buf, size_t size, u64 n);