Answer Posted / harisharumalla

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
printf("\n Enter the 2 numbers");
scanf("%d%d",&a,&b);
//swaping of 2 numbers without using temp variable
a=a+b;
b=a-b;
a=a-b;
/* or
a=a*b;
b=a/b;
a=a/b;
*/
printf("\n A = %d \n B = %d\n");
getch();
}

What is malloc() function?

638

---

Explain how can you tell whether two strings are the same?

585

---

What is the use of sizeof?

557

---

How can I determine whether a machines byte order is big-endian or little-endian?

622

---

Can stdout be forced to print somewhere other than the screen?

627

---

---

What are types of preprocessor in c?

621

---

Where static variables are stored in memory in c?

524

---

Which is best book for data structures in c?

600

---

What is structure in c definition?

576

---

What 'lex' does?

720

---

what do u mean by Direct access files? then can u explain about Direct Access Files?

1643

---

Devise a program that inputs a 3 digit number n and finds out whether the number is prime or not. Find out its factors.

670

---

I have a varargs function which accepts a float parameter?

580

---

Write a c program to demonstrate character and string constants?

1685

---

What is a buffer in c?

576

---