Functions in C

What will happen after compiling and running following code?

main( )

{

printf("%p", main);

}

• Some address will be printed.

• Will make an infinite loop.

• Error

• None of these.

The keyword used to transfer control from a function back to the calling function is

• goto

• return

• switch

• exit

hat is the output of this C code?

int main()

{

void foo(), f();

}

void foo()

{printf("2 ");}

void f()

{

printf("1 ");

foo();}

• Compile time error due to declaration of functions inside main

  B.

  C.

  D.

• 1 2

• as foo is local to main

• 2 1

Choose correct statement about Functions in C Language.

• Every Function has a return type

  .

• Every Function may no may not return a value

• A Function is a group of c statements which can be reused any number of times

• All the above

What is the output of C Program with functions.?

void myshow(int);

void main(){

int a=10;

printf("%d ", a);

myshow(a);

printf("%d", a);

}

void myshow(int k){

k=20;

}

• 10 20

• 10 10

• 20 20

• Compiler error

Which of the following function calculates the square of 'x' in C?

.

• sqr(x)

• power(2, x)

• pow(x, 2)

• pow(2, x)

It is not advisable to use macros instead of functions because

.

• recursion is not possible

• no type checking will be done

• it increases the code size

• All of the above

What is the default return type if it is not specified in function definition?

• int

• short int

• void

• float

A function which calls itself is called a ___ function.

.

• Recursive Function

• Static Function

• Self Function

• Auto Function

A function cannot be defined inside another function

.

• True

• False