How to use comma operator in for loop C Language

#include <stdio.h>
int main(void)
{
  int i, j;
  for (i = 0, j = 10; i <= j; i++, j--)
  {
      printf("i = %d\t j = %d\n", i, j);
  }
  return 0;
}

i = 0	 j = 10
i = 1	 j = 9
i = 2	 j = 8
i = 3	 j = 7
i = 4	 j = 6
i = 5	 j = 5