add 4 io

hc

2023-08-21 ef9e1ccebba20d2e3859126411166909a383f483

1
2
# From http://lists.gnu.org/archive/html/info-gnu/2017-02/msg00003.html
sha1 df981672a612639ad0934e3fa6546a41d2feb99e ddrescue-1.22.tar.lz