they're i386 binaries compiled with an older toolchain (Snow Leopard) before Lion was installed.
$ file /tmp/9p /tmp/9p: Mach-O executable i386 $ /tmp/9p -na sources.cs.bell-labs.com ls -l d-rwxrwxr-x M 0 9grid 9grid 0 Oct 20 2005 9grid ...
they're i386 binaries compiled with an older toolchain (Snow Leopard) before Lion was installed.
$ file /tmp/9p /tmp/9p: Mach-O executable i386 $ /tmp/9p -na sources.cs.bell-labs.com ls -l d-rwxrwxr-x M 0 9grid 9grid 0 Oct 20 2005 9grid ...