6^l  -o 6.chgrp chgrp.6
qsorts: incompatible type signatures 9ed7fe45(/amd64/lib/libregexp.a(regcomp)) and c7dcac09(/amd64/lib/libc.a(qsort)) for qsort
6^l  -o 6.chmod chmod.6
6^l  -o 6.cleanname cleanname.6
6^l  -o 6.clock clock.6
6^l  -o 6.cmp cmp.6
6^l  -o 6.col col.6
6^l  -o 6.colors colors.6
mk: 6^l  -o ...  : exit status=rc 27572: 6l 27580: error