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Write a programme to call a function by using pointer

As you know, Dot (.) operator is used to access the data using normal structure variable and arrow (->) is used to access data using pointer variable Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; ssrc doctoral dissertation fellowship Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide. Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide. We then passed the pointer p to the addOne() function. In general, it means the code write a programme to call a function by using pointer within a function cannot alter the arguments used to call the. To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. Definition. Inside the function, we increased the value stored at ptr by 1 using (*ptr)++;. Contribute your code (and comments) through Disqus.

Next: Write a program in C to show how a function returning pointer In this tutorial we will write a C program to swap two numbers using Pointers. I'm trying to self-study C using C Primer Plus from Stephen Prata and write a programme to call a function by using pointer one of the end-of-chapter exercises is to "Write a function that replaces the contents of a string with the string reversed.". Function pointers are among the most powerful tools in C, but are a bit of a pain during the initial stages of learning. C Example to swap two numbers using pointers. A pointer to a variable that receives the previous access protection value of the first page in the specified region of pages. Apr 14, 2013 · need help with pointer homework my return statement isnt working and i cant find in my textbook a good example on how to do it. [code]int add(int* a,int* b){ return *a + *b; } void main( ){ int a=10,b=5,c; c=add(&a,&b); //c=10+5=15 }[/code] //This is popularly known as Pass/Call By Reference. I'm trying to use pointers as much as possible so I can abstract writing for research papers better understand, but I'm stuck In the function declaration you have to type as.

Passing by thesis algorithm format value in C++ By default, arguments are passed to functions by value. This C program returns a pointer of local integer variable in the function but. You must use pointers! 10.5+5.5 no spaces!) The function will then "return" all three values. Question is the syntax - What syntax to use in the function definition, and in the calling function Apr 14, 2013 · need help with pointer homework my return statement isnt working and i cant find in write a programme to call a function by using pointer my textbook a good example on how to do it.

So, we will be using that idea to pass structure pointer to a function. Function Returning A Pointer In C Program. Hi All, I have written a my first very basic program for webscraping where it summaries the top 5 most read article and write a programme to call a function by using pointer sends a email. The user needs to enter their email ID and password to login using smtplib and that's all the input that is required After creating function, you need to call it in Main () method to execute. The next move is to sort the string here loop statement again come in use and then printing the string Reversing a string in C programming language can be done using various techniques, but here in this program, we show how to reverse a string using pointers. To understand why this is important, you need to understand how arguments are passed to a function. Function Returning A Pointer In C Program. For example, in the below program, we have removed address operator ‘&’ in assignment.

Pointer-to-member function conversion rules in different situations. So first of all, you have to include the stdio header file using the include preceding by # which tells that the header file needs to be process write a programme to call a function by using pointer before compilation, hence named preprocessor directive Math Calculator with Pointers Write a program that will use a function that will ask the user for a number, followed by a character, and another number (e.g. How to use pointer-to-member function array to solve a practical design problem. You must use pointers! Math Calculator with Pointers Write a program that will use a function that will ask the user for a number, followed by a character, and another number (e.g.

Prerequisites:- Introduction to. The pointer is a one of the C++ programming language data-type whose value refers directly to (or "points to") another value stored elsewhere in the computer memory using its address C Programming Tutorial in Nepali, Part write a programme to call a function by using pointer 57: Function Pointers (Pointer to Function) Topics Discussed: Function Pointers; Pointer to Functions; Declaration syntax of function pointers; passing. Given a string, the task is to reverse this String using pointers. In order to call method, you need to create object of containing class, then followed by dot (.) operator you can call the method. Simple Program for Write File Operation Using C++ Programming; Create the base class object and pointer variable. Connect With Me! Function Returning A Pointer In C Program.

In this tutorial, you'll learn to use pointers to access members of structs in C programming. This means that changes made to the parameter affect the passed argument Sep 28, 2018 · To access a member function by pointer, we have to declare a pointer to the object and initialize it (by creating the memory at runtime, yes! Passing by write a programme to call a function by using pointer value in C++ By default, arguments are passed to functions by value. The second step, use arrow operator -> to access the member function using the pointer to the object Like function return int, float, char, or any other data type, function can also return a pointer. The characters are then reversed one by one with the help of these two pointers I'm trying to self-study C using C Primer Plus from Stephen Prata and one of the end-of-chapter exercises is to "Write a function that replaces the contents of a string with the string reversed.". Like function return int, float, char, or any other data type, function can also return a pointer. 10.5+5.5 no spaces!) The function will then "return" all three values. Previous: Write a program in C to count the number of vowels and consonants in a string using a pointer.

Using by to a programme a function write call pointer

This program is written to demonstrate how to copy a string using pointers. 2 Dec 25, 2016 · Swap two numbers using FUNCTIONS and POINTERS Mr.Abhishek kumar. You must use pointers! To add two numbers using pointer in C++ Programming, you have to ask to the user to enter write a programme to call a function by using pointer the two number, then make two pointer type variable of same type say *ptr1 and *ptr2 to initialize the address of both the number and make another variable say sum which contain the addition of the two number like sum = *ptr1 + *ptr2 and display the result on the screen Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide. By convention, the operation shall start at the begin pointer, up to the end pointer, but excluding the end pointer. In the following example are are creating a student structure In string.h header file, strcmp function is readily available which we can use for string comparison, here this tutorials provides the logic of same function using pointers. Inside the function, the address is used to access the actual argument used in the call. 8. Feel free to check that out.

We have already covered how to swap two numbers without using pointers . By default, C programming uses call by value to pass arguments. Step 8: Call the functions display() and show() using the base class. The first is via explicit dereference:. I mean that, the formulae for finding the Area of Circle is 3.14 * radius * radius . Math Calculator with Pointers Write a program that will use a function that will ask the user for write a programme to call a function by using pointer a number, followed by a character, and another number (e.g. The user needs to enter their email ID and password to login using smtplib and that's all the input that is required In the program string is to be entered after that loop statement works. Basic need: I need to pass a pointer referring to an array to a function, and have the function fill that array with data.

To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. You must use pointers!. However, it will not implicitly convert function pointers to void pointers, or vice-versa. The sketch prints some text in a box as shown below Here we will write a C program for addition of two numbers using functions. write a programme to call a function by using pointer Similarly, we can have a pointer to structures, where a pointer Read morePointer to a Structure in C. It will create an illusion of polymorphism and provide the run time-binding To get an idea of what this code does, print it out, draw the two integers a and b, and enter 5 and 10 in them.Now draw the two pointers i and j, along with the integer t.When swap is called, it is passed the addresses of a and b.Thus, i points to a (draw an arrow from i to a) and j points to b (draw another arrow from b to j).Once the pointers are initialized by the function call, *i is. Simply declare the function as being of a pointer type, such as. This C program returns a pointer of local integer variable in the function but. Function Pointer Example using C program Declaration of function pointer return_type (*fun_pointer_name)(argument_type_list); Initialization of ….

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Here it will teach you how to create your own function which uses the concept of pointers. Like function return int, float, char, or any other data type, function can also return a pointer. To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. Create a variable Like function return int, float, char, or any other data type, function can also return a pointer. The fortran interface block is for a function where two of the arguments are pointer-to-function (TYPE(C_FUNPTR)) passed by reference (reference being the "default" calling convention in Fortran-C interoperability in the absence of a specification to the contrary) - or if you like it is a pointer-to-pointer-to-function passed by value Hi All, I have written a my first very basic program for webscraping where it summaries the top 5 most read article and sends a email. If the function expects to receive arguments, these arguments are placed inside the call write a programme to call a function by using pointer operator C Programming Tutorial in Nepali, Part 57: Function Pointers (Pointer to Function) Topics Discussed: Function Pointers; Pointer to Functions; Declaration syntax of function pointers; passing. If the function succeeds, the return value is nonzero. In this case, changes made to the parameter inside the function have no effect on the argument. C Programming Tutorial in Nepali, Part 57: Function Pointers (Pointer to Function) Topics Discussed: Function Pointers; Pointer to Functions; Declaration syntax of function pointers; passing. To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. using validateFcn = bool(*)(int, int); // type alias.

If the size of A matrix is (5 x 3), and the size of B matrix is (3 x 4), then the two. Tags for swap 2 numbers using pointers in C. this is basically for better understand the concepts of pointers and user defined functions. rewrite the function so it uses pointers instead of reference variables and then demonstrate the function in a complete program. regular pointer to member. Like any variable or constant, you must declare a write a programme to call a function by using pointer pointer before using it to store any variable address. Calling a function using a function pointer. Dec 06, 2013 · Another basic question on a subject that always gives me fits: pointer syntax to refer to an array for a function. Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide. Hi All, I have written a my first very basic program for webscraping where it summaries the top 5 most read article and sends a email.

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Hi All, I have written a my first very basic program for webscraping where it summaries the top 5 most read article and sends a email. In C++11, you can instead use type aliases to create aliases for function pointers types: 1. This C program returns a pointer of local integer variable in the function but. write a programme to call a function by using pointer Load the sketch to an Arduino and then open the terminal window. Online C String programs for computer science and information technology students pursuing BE, BTech, MCA, MTech, MCS, MSc, BCA, BSc. To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. Pointers as function arguments - call by reference - Duration: Pointers in C Programming | Call by Value Call ….This C program returns a pointer of local integer variable in the function but. Function Returning A Pointer In C Program.

So Changes to the data pointed by the pointer are reflected in the data of the calling function. 10.5+5.5 no spaces!) The function will then "return" all three values. Return value. If this parameter is NULL or does not point to a valid variable, the function fails. The user needs to enter their email ID and password to login using smtplib and that's all the input that is required C Programming Tutorial in Nepali, Part 57: Function Pointers (Pointer to Function) write a programme to call a function by using pointer Topics Discussed: Function Pointers; Pointer to Functions; Declaration syntax of function pointers; passing. May 17, 2018 · Write a C Program to perform the basic four arithmetic operations on two variables 5 and 10 using function pointer? 6. You must use pointers! This C program returns a pointer of local integer variable in the function but. So when in a C programming, you intend to do some form of polymorphism, then you need to use function pointer. Function Returning A Pointer In C Program.

Later we will solve the same problem using three functions. Math Calculator with Pointers Write a program that will use a function that will ask the user for a number, followed by a character, and another number (e.g. You must use pointers! The characters are then reversed one by one with the help of these two pointers C Program to Perform Stack Operations Using Pointer ! There are five basic arithmetic operators found in C language, which are addition (+), subtraction (-), multiplication (-), division (/) of …. C Program to Swap Two Numbers / Variables using Pointer; Now Take a look at function definition, write a programme to call a function by using pointer We have passed address of two variables from main function to swap function.. To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. Problem is: the following function uses reference variables as parameters.

Hi All, I have written a my first very basic program for webscraping where it summaries the top 5 most read article and sends a email. This article demonstrates the basics of function pointers, and how to use them to implement function callbacks in C.C++ takes a slightly different route for callbacks, which is …. For example: if the radius of Circle is 3.0, then the Area of Circle will be 28.26.. I did this but it doesn't work. This …. rewrite the function so it uses pointers instead of reference variables and then demonstrate the function write a programme to call a function by using pointer in a complete program. This has the somewhat surprising result that changing the […]. Hi All, I have written a my first very basic program for webscraping where it summaries the top 5 most read article and sends a email. We can use new keyboard for this). Pointer-to-member function vs.

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The Area of Circle using Pointer can be calculated by using a formulae. C Program To Reverse a String Source Code Copy paste the below source code or write your own logic into C compilers and run the program …. Well it’s not too big a change from what you have. A function pointer is a pointer variable that can store address of a function and then using the function pointer we can call initialized function in our program. Program Notes: To write a function that operates on a range of the write a programme to call a function by using pointer given array, you can pass the begin pointer and the end pointer into the function. Create a structure. Since ptr and p pointers both have the same address, *p inside main() is also 11 The key to writing the declaration for a function pointer is that you're just writing out the declaration of a function but with (*func_name) where you'd normally just put func_name. Have another way to solve this solution? This is a chapter on character strings with a good dose of pointers. To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. 10.5+5.5 no spaces!) The function will then "return" all three values.

We covered functions in the previous tutorials. write a programme to call a function by using pointer We have also changed function call by removing *, the program …. Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide. c program using pointers; pointers example; pointers to swap numbers; swap 2 numbers using pointers in c; c program to swap two numbers using pointer; swapping using pointers; c program for swapping of two numbers using pointers; c program for swappingof two no.s without a third variable using functions. Like function return int, float, char, or any other data type, function can also return a pointer. You must use pointers! Find code solutions to questions for lab practicals and assignments One of the uses of pointer variables in C++ is in passing arguments to functions. Youtube: https://www.youtube.com/c/San Author: Sanjay Gupta Views: 3.6K c - Why can I invoke a function via a pointer with too https://stackoverflow.com/questions/7140045 Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide. We can use new keyboard for this). It is clear that, this C program will display the product of any Two Matrices using pointers.To multiply (find product) any two matrices, the number of columns of the first matrix must be equal to the number of rows of the the second matrix.

Hi All, I have written a my first very basic program for webscraping where it summaries the top 5 most read article and sends a email. 10.5+5.5 no spaces!) The function will then "return" all three values. Here it will teach you how to create your own function which uses the concept of pointers. 2) Unlike normal pointers, we do not allocate de-allocate memory using function pointers. A pointer is a variable whose value is the address of another variable, i.e., direct address write a programme to call a function by using pointer of the memory location. Function Returning A Pointer In C Program. Problem is: the following function uses reference variables as parameters. 4.

So swapping two numbers using pointers means we are using call by reference method. C Program To Reverse a String Source Code Copy paste the below source code or write your own logic into C compilers and run the program …. So, write a programme to call a function by using pointer we will be using that idea to pass structure pointer to a function. The user needs to enter their email ID and password to login using smtplib and that's all the input that is required Reversing a string in C programming language can be done using various techniques, but here in this program, we show how to reverse a string using pointers. C Programming Tutorial in Nepali, Part 57: Function Pointers (Pointer to Function) Topics Discussed: Function Pointers; Pointer to Functions; Declaration syntax of function pointers; passing. The user needs to enter their email ID and password to login using smtplib and that's all the input that is required Given a string, the task is to reverse this String using pointers. Before you learn about how pointers can be used with structs, be sure to check these tutorials:. How the member function call is reinterpreted by the compiler Math Calculator with Pointers Write a program that will use a function that will ask the user for a number, followed by a character, and another number (e.g. Mar 28, 2018 · How to pass structure variable into function using pointer in c programming language by sanjay gupta. This program is written to demonstrate how to copy a string using pointers. Call by value sample program in c; C program for call by value for Swapping purpose; swap 2 numbers using call by value in c; swap two numbers using call by value; swapping of two numbers using call by value in c; write a program to swap two numbers using call by value; exchange value of two integers by call by value and call by reference in c. This reads more naturally than the equivalent typedef, since the name of the alias and the alias definition are placed on opposite sides of the equals sign C++ Pointers and Functions Tutorial - A function is a user defined operation that can be invoked by applying the call operator '()' to the function's name.

I'm trying to use pointers as much as possible so I can better understand, but I'm stuck The call by value method of passing arguments to a function copies the actual value of an argument into the formal parameter of the function. This C program returns a pointer of local integer variable in the function but. Like function return int, float, char, or any other data type, function can also return a pointer. This C program returns a pointer of local integer variable in the function but. 10.5+5.5 no spaces!) The function will then "return" all three values. In this tutorial we will learn to pass structure pointer to function in C programming language. This C program returns a pointer of local integer variable in the function but. C Programming. To eliminate the need of such pointer heads, we use inline functions. In the following example are are creating a student structure Example program for C structure using pointer: In this program, “record1” is normal structure write a programme to call a function by using pointer variable and “ptr” is pointer structure variable. Functions are known by their types, such as int or char or even void. Write a C program to find the roots of a quadratic equation using Pointers and Functions.

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10.5+5.5 no spaces!) The function will then "return" all three write a programme to call a function by using pointer values. The ptr pointer gets this address in the addOne() function. Nov 03, 2011 · Hi everybody, I have an exercise that says: Write a program with a pointer to a string object. Difference of non-virtual, virtual, static member functions. During loop statement the pointer type variable acquires the memory using malloc () function. The user needs to enter their email ID and password to login using smtplib and that's all the input that is required This program describes and demonstrates Simple Program for Virtual Functions Using C++ Programming with sample output,definition,syntax,steps for program. Create a structure. You can also declare pointer functions, which return a memory location as a value. In this tutorial we will learn to pass structure pointer to function in C programming language. Math Calculator with Pointers Write a program that will use a function that will ask the user for a number, followed by a character, and another number (e.g.

The user needs to enter their email ID and password to login using smtplib and that's all the input that is required Let us write a program to calculate the area' and circumference of a circle using user-defined functions. C Program using a function declaration with an undefined parameter list Function call by reference in C ; Pointer to a. In an inline function, a function call is directly replaced by an actual program code.. First, we will write a program that has only one user-defined function. Use the pointer to the pointer to call the size() member function of the string object. #include <iostream> #include <string> using namespace std; int main() {cout << "Assigning &str to pStr\n"; string str = "score";. A user can use this structure to store the address of a function using the function pointer as per the requirements and called this function whenever required in the write a programme to call a function by using pointer program. In "const int *p", *p (content pointed-to) is constant, but p is not constant Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide.

We learned about how to pass structure to a function in one of the earlier tutorial. A function pointer is a pointer variable that can store address of a function and then using the function pointer we can call initialized function in our program. C Programming Tutorial in Nepali, Part 57: Function Pointers (Pointer to Function) Topics Discussed: Function Pointers; Pointer to Functions; Declaration syntax of function pointers; passing. C program to perform basic arithmetic operations which are addition, subtraction, multiplication, and division of two numbers entered by a user. If method is static, then there is no need to create object and you can directly call it followed by class name Mar 04, 2015 · To call a function, use the function name followed by opening and closing parentheses. Reading Function Pointer Declarations Sometimes people get confused when more stars are thrown in: 1. Math Calculator with Pointers Write a program that will use a function that will ask the user for a number, followed by a character, and another number (e.g. Function Pointer Example using C program Declaration of function pointer 1. char *monster (void) In this example, the monster () function is declared The call by pointer method of passing arguments to a function copies the address of an argument into the formal parameter. write a programme to call a function by using pointer There are two ways to do this. One of the uses of pointer variables in C++ is in passing arguments to functions.

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This page has a C Program to multiply two matrices using pointers. Like function return int, float, char, or any other data type, function can also return a pointer. The other primary thing you can do with a function pointer is use it to actually call the function. Add two Numbers using Pointer in C++. The 2 nd program teaches you how to write different types of function based on program requirements. So first of all, you have to include the stdio header file using the include preceding by # which tells that the header file needs to be process before compilation, hence named preprocessor directive Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities; Talent Hire technical talent; Advertising Reach developers worldwide. You must use pointers! Examples: Input: Geeks Output: skeeG Input: GeeksForGeeks Output: skeeGroFskeeG Approach: This method involves taking two pointers, one that points at the start of the string and the other at the end of the string. Jun 27, 2020 · Whenever we use functions, we require an extra pointer head to jump to the function definition and return to write a programme to call a function by using pointer the statement.

VOID FUN(INT *a[]); /*HERE YOU CAN TAKE ANY FUNCTION RETURN TYPE HERE I CAN TAKE VOID AS THE FUNCTION RETURN TYPE FOR THE FUNCTION FUN*/ //IN THE FUNCTION HEADER WE CAN WRITE AS FOLLOWS void fun(int *a[]) //in the function body we can use as a[i]=var. 10.5+5.5 no spaces!) The function will then "return" all three values. To return a pointer in function, needs to be explicitly mentioned in the calling function and also in function definition. You make the function accept pointer arguments, and pass the addresses of the variables instead of the variables themselves, like this: [code]#include<iostream> using namespace std; int greatest(i. 3) A function’s name can also be used to get functions’ address. 5. A function area_circum to accept the radius of a circle and print its area and circumference is given in Example. Contents1 Accessing members using Pointer2 Using Indirection (*) Operator and Dot (.) Operator3 Using arrow operator (->) We have already learned that a pointer is a variable which points to the address of another variable of any data type like int, char, float etc. C Program To Implement String Compare Function using Pointer. The write a programme to call a function by using pointer second step, use arrow operator -> to access the member function using the pointer to the object Like function return int, float, char, or any other data type, function can also return a pointer.

In my previous articles, I have already discussed the function pointer in C and its applications Call by Value and Call by Reference in c++ with Example; Inline Function in C++ with Example; Function Overloading in C++ with Example; C++ Program to Find Factorial of Number; C++ Program to Solve write a programme to call a function by using pointer Tower of Hanoi using Recursion; C#. To understand why this is important, you need to understand how arguments are passed to a function. To accomplish this task we need to create a function pointer within the structure and initialize the function pointer with the corresponding function. The general form of a pointer variable declaration is−. Function Returning A Pointer In C Program. Share ← → In this tutorial we will learn to use pointers with functions in C programming language. Sep 28, 2018 · To access a member function by pointer, we have to declare a pointer to the object and initialize it (by creating the memory at runtime, yes! Math Calculator with Pointers Write a program that will use a function that will ask the user for a number, followed by a character, and another number (e.g. You will also learn to dynamically allocate memory of struct types. This page has a C Program to find Area of Circle using Pointer. C Program to menu driven string program using library functions.



  • Posted by Tushar Bedekar (Admin) in: C Programming Programming #include(stdio.h) Write a C program to find the roots of a write a programme to call a function by using pointer quadratic equation using Pointers and Functions Write a C, C++ program to swap two numbers using pointers.
  • C - Pointers write a programme to call a function by using pointer and Functions - Call by Value and Call by Reference.
  • Function Returning A Pointer In C write a programme to call a function by using pointer Program.
  • If the function fails, the return value write a programme to call a function by using pointer is zero..
  • We learned about how to pass structure to a function in one write a programme to call a function by using pointer of the earlier tutorial.

C# Features; Difference Between C++ and C#; Difference Between C# and Java.NET Framework; Benefits of .NET; C#. This is write a programme to call a function by using pointer a chapter on character strings with a good dose of pointers. 7. Examples: Input: Geeks Output: skeeG Input: GeeksForGeeks Output: skeeGroFskeeG Approach: This method involves taking two pointers, one that points at the start of the string and the other at the end of the string. Finally terminate the statement that calls the function with a semicolon.

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