pmccabe(1) on Linux
The text 4ba0b858f5d6, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
calculate McCabe cyclomatic complexity or non-commented line counts for C and C++ programs
Flags it lists
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-? -
-C -
-F -
-T -
-V -
-b -
-c -
-d -
-f -
-n -
-t -
-v