| swab32(0x00000001) = 0x01000000 |
| swab32(0x80000000) = 0x00000080 |
| swab32(0x12345678) = 0x78563412 |
| swab32(0xffff0000) = 0x0000ffff |
| swab32(0x00ff0000) = 0x0000ff00 |
| swab32(0xff000000) = 0x000000ff |
| swab64(0x0000000000000001) = 0x0100000000000000 |
| swab64(0x8000000000000000) = 0x0000000000000080 |
| swab64(0x1234567812345678) = 0x7856341278563412 |
| swab64(0xffffffff00000000) = 0x00000000ffffffff |
| swab64(0x00ff000000000000) = 0x000000000000ff00 |
| swab64(0xff00000000000000) = 0x00000000000000ff |
| No errors found in the byteswap implementation |