Functions in C

In C, what is the meaning of following function prototype with void parameter list:

void fun(void)

{

/* .... */

}

• Function can be called with any number of parameters of any types

• Function can only be called without any parameter

• Function can be called with one integer parameter.

What is the return type of the function with prototype: "int func(char x, float v, double t);"?

• char

• int

• float

• double

While creating a C function, you give a definition of what the function has to do. To use a function, you will have to ___________ to perform the defined task.

• call the function

• declare the function

• define the function

Which of the following is a valid function call to call the above function?

• print;

• print x, y;

• print( );

• int print( );

The _______ is the part of a function definition that shows the function name, return type, and parameter list.

• function call

• function body

• function header

• function prototype

Based on the above function header, which statement should be used to call function showValue( ) with argument 5?

• showValue(5);

• showValue(int 5);

• quantity = showValue(5);

• quantity = showValue(int 5);

Which of the following is NOT a Mathematical Library Function (math.h)?

• cos(a)

• abs(a)

• fabs(a)

• log(a)

Which of the following is the CORRECT way to represent the statement above in a C program?

• f(x) = 1 / (2 * sqrt(x))

• f(x) = 1 / (2 * pow(x))

• f(x) = 1 / (2 ^ sqrt(x))

• f(x) = 1 / (2 ^ pow(x))

What is the use of fflush(stdin) in Cprogramming?

• To add an input buffer before entering the next character.

• To empty the input buffer before entering the next function.

• To empty the input buffer before entering the next character.

• To empty the output buffer before entering the next character.

True or False: A function may or may not return a value back to the caller.

• True

• False