Answer Posted / khan abdullah

because this contain the pointer which does not contain by
other prog lang

For what purpose null pointer used?

1010

---

How are Structure passing and returning implemented by the complier?

1101

---

What are actual arguments?

1043

---

Does c have circular shift operators?

1180

---

a parameter passed between a calling program and a called program a) variable b) constant c) argument d) all of the above

1066

---

how to create duplicate link list using C???

2499

---

What are volatile variables in c?

882

---

What header files do I need in order to define the standard library functions I use?

995

---

Explain what is the advantage of a random access file?

1066

---

What is the scope of an external variable in c?

981

---

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'); }

1128

---

Whats s or c mean?

948

---

How can a program be made to print the line number where an error occurs?

1035

---

Is null valid for pointers to functions?

1102

---

Why is %d used in c?

956

---