Question

#include <stdio.h>
2 #define THIS Ox04
3 #define THAT Ox03
4
5 int main() {
6
unsigned char va=0x00;
7
va | = THIS;
8 va |= THAT;
9
if(va == THIS & THAT)
10 printf("%d", THAT);
11
if(va & THAT << 2)
12
printf("%d", THIS);
13 return 0;
14)}​

Answer 1

Answer:

The program you made is wrong

Explanation:

test.c: In function ‘main’:

test.c:2:14: error: ‘Ox04’ undeclared (first use in this function)

   2 | #define THIS Ox04

     |              ^~~~

test.c:9:9: note: in expansion of macro ‘THIS’

   9 |   va |= THIS;

     |         ^~~~

test.c:2:14: note: each undeclared identifier is reported only once for each function it appears in

   2 | #define THIS Ox04

     |              ^~~~

test.c:9:9: note: in expansion of macro ‘THIS’

   9 |   va |= THIS;

     |         ^~~~

test.c:3:14: error: ‘Ox03’ undeclared (first use in this function)

   3 | #define THAT Ox03

     |              ^~~~

test.c:10:9: note: in expansion of macro ‘THAT’

  10 |   va |= THAT;

     |         ^~~~

test.c:19:1: error: expected statement before ‘)’ token

  19 | )

     | ^

test.c: At top level:

test.c:21:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ at end of input

  21 | ​

     |  

Answer 2

Answer:

The Output is "34"

Explanation:

There are some minor mistakes in the question. However, exact question by mitigating all the errors are given below with correct answer for the same question.

#include<stdio.h>

#define THIS 0x04

#define THAT 0x03

int main() {

  unsigned char va = 0x00;

  va |= THIS;

  va |= THAT;

  if (va == (THIS | THAT))

      printf("%d",THAT);

  if (va | (THAT > 1))

      printf("%d", THIS);

  return 0;

}

Output: "34"

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