logical operators: Example programs on Logical Operators

/*    Demonstrate the results of logical operators.       */
#include < stdio.h >
#include < stdbool.h >

 int main(void) {
  //    Local Declarations
  bool a = true;
  bool b = true;
  bool c = false;

  //    Statements
  printf("    %2d AND     %2d: %2d\n", a, b, a && b);
  printf("    %2d AND     %2d: %2d\n", a, c, a && c);
  printf("    %2d AND     %2d: %2d\n", c, a, c && a);
  printf("    %2d OR      %2d: %2d\n", a, c, a || c);
  printf("    %2d OR      %2d: %2d\n", c, a, c || a);
  printf("    %2d OR      %2d: %2d\n", c, c, c || c);
  printf("NOT %2d AND NOT %2d: %2d\n", a, c, !a && !c);
  printf("NOT %2d AND     %2d: %2d\n", a, c, !a && c);
  printf("    %2d AND NOT %2d: %2d\n", a, c, a && !c);
  return 0;
 } // main

/*    Results:
     1 AND      1:  1
     1 AND      0:  0
     0 AND      1:  0
     1 OR       0:  1
     0 OR       1:  1
     0 OR       0:  0
NOT  1 AND NOT  0:  0
NOT  1 AND      0:  0
     1 AND NOT  0:  1
*/

operators