the new outlook of windows

first of all the environment
wecal call all procedures form this
wecan any procedure form the main-procedure 1- procedure 2(or if this possible )
1-2//etc

the less procedures with the cross refrence taublex
or we can change the value in the following way
subroutine goes back one value
either by the returning value to the previouse procedure

themain prigramis the procedure
can be called by himself or by other ones

the problem

the windows machine should preserve the resuts in the case of the crash