- `FCNS = localfunctions ()`

Return a list of local functions defined in the current file.

The result is useful for introspection of function files that contain
subfunctions.

See also: `functions`, `mfilename`, `which`.

### References

- https://www.mathworks.com/help/matlab/ref/localfunctions.html
- https://octave.sourceforge.io/octave/function/localfunctions.html