Answer / abhishek pathak mnnit

#include <stdio.h>
#define sizeof(x) ((void *)(&x + 1) - (void *)(&x))
void main()
{
int a;
printf("int size=%d",sizeof(a));
}

Answer / vignesh1988i

#include<stdio.h>
#include<conio.h>
void main()
{
int ptr,a[2];
char ptr1,b[2];
float ptr2,c[2];
ptr=(a+1)-a;
ptr1=(b+1)-b;
ptr2=(c+1)-c;
printf("int : %d\n",ptr);
printf("char : %d\n",ptr1);
printf('float : %d\n",ptr2);
getch();
}


than ku

Answer / ravi.jnv

Its possible by pointers.
-----------------
int one,two;
int *ptrOfOne,*ptrOfTwo;
int size;
ptrOfOne = &one;
ptrOfTwo = &two;
size = ptrOfOne - ptrOfTwo ; /* u can get minus value also
depending upon stack how it pushes variables */

What is substring in c?

0 Answers  

---

write a program that uses point of sale system. which are mainly used by retail markets, where the is a database inventory list, a slip should be printed for the customer. manage should be able to access what has been sold and what is left from stock?

1 Answers  

---

What are keywords in c with examples?

0 Answers  

---

what is a void pointer?

2 Answers  

---

main() { int l=6; switch(l) { default:l=l+2; case 4:l=4; case 5:l++; break; } printf("%d",l); }

1 Answers  

---

Diff between for loop and while loop?

2 Answers   TCS,

---

What is the scope of an external variable in c?

0 Answers  

---

When can a far pointer be used?

0 Answers  

---

34.what are bitwise shift operators? 35.what are bit fields? What is the use of bit fields in a structure declaration? 36.what is the size of an integer variable? 37.what are the files which are automatically opened when a c file is executed? 38.what is the little endian and big endian? 39.what is the use of fflush() function? 40.what is the difference between exit() and _exit() functions? 41.where does malloc() function get the memory? 42.what is the difference between malloc() and calloc() function? 43.what is the difference between postfix and prefix unary increment operators?

3 Answers  

---

What is c system32 taskhostw exe?

0 Answers  

---

What are the Advantages of using macro

0 Answers  

---

# define prod(a,b)=a*b main() { int x=2; int y=3; printf("%d",prod(x+2,y-10)); } the output of the program is a.8 b.6 c.7 d.none

7 Answers   Microsoft, TCS,

---