Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/cmd/ssh2/magic
#!/bin/rc # print lines containing magic numbers g '[^0-9A-Za-z_]([2-9]|[0-9][0-9]+)[^0-9x]' | grep -v '\.h:|#include|fprint\(2,|return (0|1|-1);' | sed 's/:[ ]+/: /'
