text: #include "types.h"
  #include "stat.h"
  #include "user.h"
  #include "param.h"
  
  int
  main(int argc, char *argv[])
  {
    if(argc<2){
      printf(1,"ERROR: wrong number of arguments\n");
      exit(0);
    }
    int pol=atoi(argv[1]);
  
    switch(pol){
      case POL_UNIFORM:  
      case POL_PRIORITY: 
      case POL_DYNAMIC: schedp(pol);
          break;
      default: printf(1,"ERROR: wrong policy id\n");
          break;
    }
  
    exit(0);
  }
  