当超出C的整数范围时会发生不确定循环

Question

My question is that why an indefinite loop occurs when we try to print numbers from 0 to 32767,

why does it goes back to -32767 and restarts printing.

PROGRAM CODE-

main(){

         int i;

         for(i=0; i<=32767; i++){

         printf("%d\n", i);

    }
}

Answer 1

It seems that maximim value of an object of type int ( INT_MAX ) in your environment is equal to 32767. Thus then i is equal to 32767

for(i=0; i<=32767; i++){

after evaluation expression i++ the sign bit of the internal representation of i is set and i becomes equal to negative value -32768 that is to INT_MIN In this case condition

i<=32767

will yield true.

Answer 2

Because 32767 is the maximum value for a 16-bit int.

What else would you expect its value to be after incrementing that by one?