humanize_unsigned
rv = humanize_unsigned(buf, len, bytes, "B", 1024);
int humanize_unsigned(char *buf, size_t len, uint64_t bytes,
humanize_unsigned(buf, sizeof(buf), dedup_ref_size, "B", 1024);
humanize_unsigned(buf, sizeof(buf), dedup_alloc_size, "B", 1024);
humanize_unsigned(buf, sizeof(buf), dedup_skipped_size, "B", 1024);
humanize_unsigned(buf1, sizeof(buf1),
humanize_unsigned(buf2, sizeof(buf2),