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This undefined is spam This undefined is offensive This undefined is off-topic This undefined is other Submit ## Table of contents 1. [Working of Arrow operator in C](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#working-of-arrow-operator-in-c) 2. [Syntax of Arrow operator](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#syntax-of-arrow-operator) 3. [Examples of Arrow operator](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#examples-of-arrow-operator) 4. [Conclusion](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#conclusion) 5. [References](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#references) 1. [Tutorials](https://www.digitalocean.com/community/tutorials?subtype=tutorial) 2. [C Programming](https://www.digitalocean.com/community/tags/c-programming) 3. Arrow operator in C - All you need to know\! [Tutorial](https://www.digitalocean.com/community/tutorials?subtype=tutorial) # Arrow operator in C - All you need to know\! Published on August 4, 2022 [C Programming](https://www.digitalocean.com/community/tags/c-programming)  By Safa Mulani  Table of contents Popular topics Hey, folks! In this article, we will be focusing on Arrow operator in C. `C language` comprises of various operators to deal and manipulate the data records. One such operator is the Arrow operator. So, let us begin\! *** ## [Working of Arrow operator in C?](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#working-of-arrow-operator-in-c) In C, this operator enables the programmer to access the data elements of a [Structure](https://www.digitalocean.com/community/tutorials/structures-in-c) or a [Union](https://www.digitalocean.com/community/tutorials/union-in-c). This operator`(->)` is built using a minus(-) operator and a greater than(\>) relational operator. Moreover, it helps us access the members of the struct or union that a pointer variable refers to. Let us now focus on the structure of Arrow operator in C. *** ## [Syntax of Arrow operator(-\>)](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#syntax-of-arrow-operator) Have a look at the below syntax\! ``` (pointer variable)->(variable) = value; ``` The operator is used along with a [pointer variable](https://www.digitalocean.com/community/tutorials/pointers-in-c-and-c-plus-plus). That is, it stores the value at the location(variable) to which the pointer/object points. Let us now implement this operator through some examples in the upcoming section. *** ## [Examples of Arrow operator (-\>)](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#examples-of-arrow-operator) In the below example, we have created a Structure ‘Movie\_info’. Further, we have assigned a pointer object to the structure and allocated memory to it in a dynamic manner using the [C malloc() function](https://www.digitalocean.com/community/tutorials/malloc-and-calloc-in-c). **Arrow operator to access the data member of a C Structure** ``` #include <stdio.h> struct Movie_info { char *name; char *ACC; }; int main() { struct Movie_info* M; M = (struct Movie_info*) malloc(sizeof(struct Movie_info)); M->name = "Python with JournalDev"; M->ACC="A"; printf("Movie Information:"); printf("\nName: %s", M->name); printf("\nACC: %s", M->ACC); return 0; } ``` We have accessed the values of the data members using arrow operator(-\>). **Output:** ``` Movie Information: Name: Python with JournalDev ACC: A ``` Let us now try to access the data members of Union using arrow operator. **Arrow operator to access the data members of Union in C** ``` #include <stdio.h> union Movie_info { int id; float net_val; }; int main() { union Movie_info* M; M = (union Movie_info*) malloc(sizeof(union Movie_info)); printf("Movie Information:\n"); M->id = 01; printf("\n ID: %d", M->id); M->net_val = 125.45; printf("\n NET VALUE: %.1f", M->net_val); return 0; } ``` Like Structure, we have created a Union ‘Movie\_info’ and have accessd the data values using the arrow operator as shown above. **Output:** ``` Movie Information: ID: 1 NET VALUE: 125.4 ``` *** ## [Conclusion](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#conclusion) By this, we have come to the end of this topic so feel free to comment below, in case you come across any question. *** ## [References](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus#references) - [Arrow operator in C – StackOverFlow](https://stackoverflow.com/questions/13366083/why-does-the-arrow-operator-in-c-exist) Thanks for learning with the DigitalOcean Community. Check out our offerings for compute, storage, networking, and managed databases. [Learn more about our products](https://www.digitalocean.com/products "Learn more about our products") ### About the author  Safa Mulani Author Category: [Tutorial](https://www.digitalocean.com/community/tutorials?subtype=tutorial) Tags: [C Programming](https://www.digitalocean.com/community/tags/c-programming) While we believe that this content benefits our community, we have not yet thoroughly reviewed it. If you have any suggestions for improvements, please let us know by clicking the “report an issue“ button at the bottom of the tutorial. #### Still looking for an answer? [Ask a question](https://www.digitalocean.com/community/questions)[Search for more help](https://www.digitalocean.com/community) Was this helpful? Yes No Comments(2) Follow-up questions(0)  [JournalDev](https://www.digitalocean.com/community/users/journaldev) [September 24, 2020](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus?comment=186209) Show less Hi int \*a is read as "a is pointer to an integer How do we read M-\>id = 01; ?? M’s id? id member of struct pointed to by M? \- Praveen Kumar P  [JournalDev](https://www.digitalocean.com/community/users/journaldev) [October 26, 2021](https://www.digitalocean.com/community/tutorials/arrow-operator-c-plus-plus?comment=186210) Show less as discussed in structure case first we take pointer variable and then access through it. but in case of union we didn’t take pointer variable then also it;s result comes without having an error. could you explain why is it so? \- BHUSHAN [](https://creativecommons.org/licenses/by-nc-sa/4.0/)This work is licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License. ## Deploy on DigitalOcean Click below to sign up for DigitalOcean's virtual machines, Databases, and AIML products. [Sign up](https://cloud.digitalocean.com/registrations/new?refcode=f6fcd01aaffb) ## Popular Topics 1. [AI/ML](https://www.digitalocean.com/community/tags/ai-ml) 2. 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