For loop does not end

Question

Why I Can't Stop For Loop In This Program?

int main()
{
 unsigned char i;
 for(i=0;i<256;i++)
  {
   printf("%d\n",i);
  }
}

Answer 1

Why I Can't Stop For Loop In This Program? Because variable i is declared as of unsigned char type which ranges from 0 to 255, so here

for(i=0;i<256;i++) { } /* 0,1,2..255, 0, 1 */

i never reach 256 which results in infinite loop.

From limits.h

UCHAR_MAX   255