../direct_follow -Uss
Users   = ss, Karl, Heinz
Values  = 3.14, 9.81, 1.62
Numbers = 12, 43, 64
../direct_follow --help

Example to use direct_follow()-functions:

USAGE:
--help, -h  get some help about this program.

-Ustring    specify user name as string
-Vx         specify a value given as x
-NUMx       specify number given as x

a total amount of three of each is expected.
try 'tails.cpp' for indefinite number of arguments.

../direct_follow -Ududu -Uim -V12 -URadio
Users   = dudu, im, Radio
Values  = 12, 9.81, 1.62
Numbers = 12, 43, 64
../direct_follow -Ududu -Uim -V12 -URadio -V13
Users   = dudu, im, Radio
Values  = 12, 13, 1.62
Numbers = 12, 43, 64
../direct_follow -Ududu -Uim -V12 -URadio -V13 -N12
Users   = dudu, im, Radio
Values  = 12, 13, 1.62
Numbers = 12, 43, 64
