ftp.ntua.gr:/mirror/slackware/slackware64-current/source/d/m4/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] m4-1.4.19.tar.xz.sig                             29-May-2021 00:55  488   
[TXT] slack-desc                                       27-Feb-2018 08:13  923   
[TXT] m4.SlackBuild                                    31-May-2021 22:24  4.4K  
[   ] m4-1.4.19.tar.xz                                 29-May-2021 00:55  1.6M
Apache/2.2 Server at ftp.ntua.gr Port 80