robomotic$ ./c2patool
./c2patool: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.32' not found (required by ./c2patool)
./c2patool: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by ./c2patool)
./c2patool: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.33' not found (required by ./c2patool)

$ ldd --version
ldd (Ubuntu GLIBC 2.31-0ubuntu9.16) 2.31
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.