CS460 Takehome Midterm Exam #1
                    DUE: 9/21/2023
  NOTE: as EXAM, all independent work, NO discussions allowed.
	    
  Base Code: samples/MID1/mid1.tgz. It supports

  switch: tswich() to switch process
  kfork : kfork(body,1) to create a child process

  myfork: caller A()->B()->C()->D(){
                                    myfork(); 
                                      create a child process, which
                                      exit D(), exit C(), exit B() exit A()
                                   }

  Implement YOUR myfork() function as specified.


Sample solution: mid1.bin