What does it mean when a function returns a pointer?

Pointers in C programming language is a variable which is used to store the memory address of another variable. But it is not recommended to return the address of a local variable outside the function as it goes out of scope after function returns.

Why would you pass a pointer as a function parameter?

Pointer as a function parameter is used to hold addresses of arguments passed during function call. This is also known as call by reference. When a function is called by reference any change made to the reference variable will effect the original variable.

What is the meaning of return value of a function give an example to illustrate its meaning?

A return is a value that a function returns to the calling script or function when it completes its task. A return value can be any one of the four variable types: handle, integer, object, or string. You also type the description of the return in the Return description edit box.

What is the advantage of function pointer in C?

1) Unlike normal pointers, a function pointer points to code, not data. Typically a function pointer stores the start of executable code. 2) Unlike normal pointers, we do not allocate de-allocate memory using function pointers. 3) A function’s name can also be used to get functions’ address.

Which function has a return type as char pointer?

Discussion Forum

Que.	Which function has a return type as char pointer?
b.	fputs
c.	fgets
d.	All of the mentioned
	Answer:fgets

Can you pass a pointer to a function in C?

C programming allows passing a pointer to a function. To do so, simply declare the function parameter as a pointer type.

Can we pass pointer to a function as parameter?

We cannot pass the function as an argument to another function. But we can pass the reference of a function as a parameter by using a function pointer. This process is known as call by reference as the function parameter is passed as a pointer that holds the address of arguments.

Can the return type of the main function be int true or false in Java?

Answer: Explanation: True, The default return type for a function is int.

What is the purpose of a return statement in a function Mcq?

Solution(By Examveda Team) The return statement causes the function to stop executing and to return the value of its expression (if any) to the caller.

What does the return function do in Python?

A return statement is used to end the execution of the function call and “returns” the result (value of the expression following the return keyword) to the caller. The statements after the return statements are not executed.

Can a function return a pointer to a data type?

Similarly, a function can return a pointer to data. The syntax of a function returning a pointer is as follows. Syntax: type *function_name (type1, type2.); Some examples: 1 2 3. int *func(int, int); // this function returns a pointer to int double *func(int, int); // this function returns a pointer to double.

What are pointers in C programming language?

Pointers in C programming language is a variable which is used to store the memory address of another variable. We can pass pointers to the function as well as return pointer from a function.

Which function declaration syntax will return pointer in C++?

Following is the function declaration syntax that will return pointer. returnType *functionName (param list); Where, returnType is the type of the pointer that will be returned by the function functionName. And param list is the list of parameters of the function which is optional.

What is returntype and Param list in C++?

Where, returnType is the type of the pointer that will be returned by the function functionName . And param list is the list of parameters of the function which is optional. In the following example we are declaring a function by the name getMax that takes two integer pointer variable as parameter and returns an integer pointer.