os_kernel_lab/related_info/lec7-8/lec7_1.c

void X(int b) {
  if (b==1){
    printf("X:: b is 1!\n");
  }else{
    printf("X:: b is not 1!\n");
  }
}

int main(int argc, char * argv){
    int a=2;
    X(a);
}