Answer Posted / varun nayyar

<assert.h>
<complex.h>
<ctype.h>
<errno.h>
<fenv.h>
<float.h>
<inttypes.h>
<iso646.h>
<limits.h>
<locale.h>
<math.h>
<setjmp.h>
<signal.h>
<stdarg.h>
<stdbool.h>
<stddef.h>
<stdint.h>
<stdio.h>
<stdlib.h>
<string.h>
<tgmath.h>
<time.h>
<wchar.h>
<wctype.h>

int main() { Int n=20,i; For(i=0;i<=n;i--) { Printf(“-“); Return 0;

1135

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Write a program to find factorial of a number using recursive function.

658

---

What is table lookup in c?

641

---

Explain bitwise shift operators?

640

---

What is the difference between local variable and global variable in c?

699

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Explain what is the difference between the expression '++a' and 'a++'?

635

---

What is difference between structure and union in c programming?

579

---

What does *p++ do? What does it point to?

626

---

Explain what are the different file extensions involved when programming in c?

641

---

What are header files in c programming?

663

---

Explain what is the difference between functions getch() and getche()?

616

---

What is a char in c?

559

---

What is the purpose of sprintf?

629

---

Write a Program to find whether the given number or string is palindrome.

622

---

Which control loop is recommended if you have to execute set of statements for fixed number of times?

824

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