/*
 * exp_eq.c - using comparison of values to take action
 */
#include <stdio.h> // include functions in library when compiling

int main(void) // header for function main
{
  int xx, yy; // declare int variables xx and yy
  
  xx=3; // assign xx value of 3
  yy=8; // assign yy value of 8

  if (xx=yy) // assign the value of yy to xx, and if assignment successful, evaluates as if (8). 8 is not zero, so it it true
  {  // if braces
    printf("xx equals yy.\n");  // output that they are the same
  } // end if braces
  else // if the expression was not true, enter else braces
  {  // else braces
    printf("xx does not equal yy.\n"); // output that they are not the same.
  }

  return 0; // return 0 to colling program
}