void main()
{
int n,set,clr,tog,res,check;
printf("Enter the number:\n");
scanf("%d",&n);
printf("Position to set:\n");
scanf("%d",&set);
printf("Position to clear:\n");
scanf("%d",&clr);
printf("Position to toggle:\n");
scanf("%d",&tog);
printf("Position to check:\n");
scanf("%d",&check);
res=setbit(n,set);
printf("Result after set is :%d \n",res);
res=clearbit(n,clr);
printf("Result after clear is :%d \n",res);
res=togglebit(n,tog);
printf("Result after toggle is :%d \n",res);
res=checkbit(n,check);
if(res)
printf("The %d th bit in %d is set\n",check,n);
else
printf("The %d th bit in %d is not set\n",check,n);
}
int
main ()
{
int c;
unsigned int x = 15; // 1111
printf ("x = %d (1111)\n\n", 15);
printf ("x ^ 0 = %d (x)\n", x ^ 0);
printf ("x ^ 1 = %d ~(x)\n", x ^ 15);
printf ("x ^ x = %d (0)\n\n", x ^ x);
printf ("x & 0 = %d (0)\n", x & 0);
printf ("x & 1 = %d (x)\n", x & 15);
printf ("x & x = %d (x)\n\n", x & x);
printf ("x | 0 = %d (x)\n", x | 0);
printf ("x | 1 = %d (1)\n", x | 15);
printf ("x | x = %d (x)\n\n", x | x);
printf ("x = %d (1010)\n", x = 10);
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
printf ("\n");
printf ("set bit %d to 1: %d\n", 2, x = setbit (x, 2));
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
printf ("\n");
printf ("clear bit %d to 0: %d\n", 3, x = clearbit (x, 3));
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
printf ("\n");
printf ("x = %d (1111)\n", x = 15);
printf ("clear most significant bits through bit %d: %d\n", 2,
x = clearbits_msb (x, 2));
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
printf ("\n");
printf ("x = %d (1111)\n", x = 15);
printf ("clear least significant bits through bit %d: %d\n", 1,
x = clearbits_lsb (x, 1));
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
printf ("\n");
printf ("x = %d (1111)\n", x = 15);
printf ("update bit %d to 0: %d\n", 2, x = updatebit (x, 2, 0));
printf ("update bit %d to 1: %d\n", 3, x = updatebit (x, 3, 1));
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
printf ("\n");
printf ("x = %d (1111)\n", x = 15);
printf ("update bit %d to 0 (C support): %d\n", 2, x = updatebit_c (x, 2, 0));
printf ("update bit %d to 1 (C support): %d\n", 3, x = updatebit_c (x, 3, 1));
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
printf ("\n");
printf ("toggle bit %d: %d\n", 1, x = togglebit (x, 1));
printf ("toggle bit %d: %d\n", 3, x = togglebit (x, 3));
for (c = 3; c >= 0; --c)
printf ("get %d bit: %d\n", c, getbit (x, c));
}