Answer Posted / satish

#include<stdio.h>
void main()
{
int x,y;
printf("enter x and y: ");
scanf("%d%d",&x,&y);
x^=y^=x^=y;
printf("elements after swapping: %d,%d\n",x,y);
}

Write programs for String Reversal & Palindrome check

1064

---

.find the output of the following program? char*myfunc(char*ptr) { ptr +=3; return (ptr); } int main() { char*x,*y; x="HELLO"; y=myfunc(x); printf("y = %s ",y); return 0; }

2589

---

Can a program have two main functions?

1132

---

Explain the properties of union.

1087

---

#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

1724

---

How do I get an accurate error status return from system on ms-dos?

1130

---

c language supports bitwise operations, why a) 'c' language is system oriented b) 'c' language is problem oriented c) 'c' language is middle level language d) all the above

1052

---

What do you mean by invalid pointer arithmetic?

1080

---

Describe explain how arrays can be passed to a user defined function

1109

---

Why do we use main function?

1186

---

There seem to be a few missing operators ..

1052

---

What is an lvalue?

1065

---

How can I swap two values without using a temporary?

1110

---

What is C language ?

1969

---

What do the functions atoi(), itoa() and gcvt() do?

1196

---