Answer Posted / raghuram.a

int x,y;

x =x-y;
y =y+x;
x =y-x;

or

int x,y;

x=x^y;
y=x^y;
x=x^y;

Why is not a pointer null after calling free?

993

---

Is null valid for pointers to functions?

1137

---

main(){char *str;scanf("%s",str);printf("%s",str); }The error in the above program is: a) Variable 'str' is not initialised b) Format control for a string is not %s c) Parameter to scanf is passed by value. It should be an address d) none

1326

---

in linking some of os executables are linking name some of them

2096

---

Is a house a shell structure?

1132

---

What are the output(s) for the following ? #include char *f() {char *s=malloc(8); strcpy(s,"goodbye")} main() { char *f(); printf("%c",*f()='A'); }

1155

---

Explain do array subscripts always start with zero?

1196

---

Explain the properties of union. What is the size of a union variable

1157

---

What is bin sh c?

1015

---

What is nested structure with example?

1044

---

Where can I get an ansi-compatible lint?

1123

---

What does *p++ do?

999

---

write a c program to find the largest and 2nd largest numbers from the given n numbers without using arrays

2210

---

what is the different bitween abap and abap-hr?

2268

---

I need previous papers of CSC.......plz help out by posting them.......

2269

---