/in/lab5.c: In function 'main':
/in/lab5.c:196:5: warning: "/*" within comment [-Wcomment]
     /*for (int i = 0; i < top3;i++){   //test output of RPE_c
      
/in/lab5.c:126:9: warning: variable 'top2' set but not used [-Wunused-but-set-variable]
     int top2=0;
         ^~~~
/in/lab5.c:123:10: warning: unused variable 'load_stack' [-Wunused-variable]
     char load_stack[120];
          ^~~~~~~~~~