UrbanPro
Login Ask & Answer Success Stories Paid Courses Free Classes Tuition & Classes Fees Write a Review All Categories Help Center
Post your Learning Need Signup as a Tutor
✕

Popular Cities

Bangalore

Hyderabad

Delhi

Mumbai

Chennai

Pune

Kolkata

Gurgaon

Ahmedabad

Jaipur

Noida

✕

Learn C Language from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Book a Free Demo

C Language > Learn C Language > How do I use structs in C to emulate classes?
✕

Search in

How do I use structs in C to emulate classes?

Asked by Last Modified  

2 Answers

Learn C Language

Follow 3
Answer

Please enter your answer

Follow below example program: typedef struct object object, *setCoordinates; struct object { float x, y; void (*setCoordinates)(object *self, float x, float y); void (*getYCoordinate)(object *self); void (*getXCoordinate)(object *self); }; void object_setCoordinates(object...
read more
Follow below example program: typedef struct object object, *setCoordinates; struct object { float x, y; void (*setCoordinates)(object *self, float x, float y); void (*getYCoordinate)(object *self); void (*getXCoordinate)(object *self); }; void object_setCoordinates(object *self, float x, float y){ self->x = x; self->y = y; } float object_getXCoordinate(object *self){ return self->x; } float object_getYCoordinate(object *self){ return self->y; } object point; point.setCoordinates = object_setCoordinates; point.getYCoordinate = object_getYCoordinate; point.getXCoordinate = object_getXCoordinate; point.setCoordinates(&point, 1, 2); printf("Coordinates: X Coordinate: %f, Y Coordinate: %f", point.getXCoordinate, point.getYCoordinate); read less
Comments
Dislike Bookmark

Tutor

Classes are structures with a hidden pointer to a table of function pointers called VTable. The Vtable itself is static. When types point to Vtables with the same structure but where pointers point to other implementation, you get polymorphism. It is recommended to encapsulate the calls logic in function...
read more
Classes are structures with a hidden pointer to a table of function pointers called VTable. The Vtable itself is static. When types point to Vtables with the same structure but where pointers point to other implementation, you get polymorphism. It is recommended to encapsulate the calls logic in function that take the struct as parameter to avoid code clutter. You should also encapsulate structures instantiation and initialization in functions (this is equivalent to a C++ constructor) and deletion (destructor in C++). These are good practice anyway. typedef struct { int (*SomeFunction)(TheClass* this, int i); void (*OtherFunction)(TheClass* this, char* c); } VTable; typedef struct { VTable* pVTable; int member; } TheClass; To call the function int CallSomeFunction(TheClass* this, int i) { (this->pVTable->SomeFunction)(this, i); } read less
Comments
Dislike Bookmark

Related Questions

What are the functions in C programming?
In C programming, functions are blocks of code that perform a specific task. They allow you to break down your program into smaller, reusable pieces, making your code more modular and easier to understand....
Advm
0 0
5
Why is C programming language called C?
It was first known as New B as it was an improved version of the B programming language. As C comes next to B in the English alphabet, it was renamed C later before its release. C is the only programming...
Shiva
0 0
5
What is the difference between a string and an array?
An array is an array of anything. A string is a specific kind of an array with a well-known convention to determine its length. There are two kinds of programming languages: those in which a string is...
Rakes
How to improve my c knowledge........
First learn the basic concepts of C .There is a book named Let Us C. It is a very good book with all the basics and concepts of C.I also have this book .I take classes of teaching basics of C,C++,java. Learn...
Anish
Which is the best software for working with C language?
Choosing the best software for C programming often depends on personal preference, but popular options include GCC (GNU Compiler Collection), Visual Studio, and CLion. Consider factors like your platform,...
Kiran
0 0
6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Why we need to learn Programming languages?
Language is medium for communication. If two parties like to communicate or exchange the thoughts they must know a language. Language should be understandable by both the Parties. For example A wants to...

Mahesh Gupta

1 0
0
Working with C/C++ applications
Inorder to learn C and C++ programming languages one can work with various editors available.To name a few are the most popular one is turbo c++, DEV C++, Eclipse, NetBeans. Here are the screen shots...
S

Salim Ahmed Ansari

0 0
0
Programming Practice Technique
Any Programming Language required an Algorithm. Algorithm - It is the finite set of instructions in which each and every instruction has the meaning, instructions are not ambiguous and all the instructions...

Phanindra Oruganti

1 0
0
Advantages of C++ Language
Advantages of C++ - C++ is a profoundly convenient dialect and is frequently the dialect of decision for multi-gadget, multi-stage application advancement. - C++ is a protest situated programming dialect...

Bright Computer Education

2 0
0
Pointers and References
Are reference and pointers same? No. I have seen this confusion crumbling up among the student from the first day. So better clear out this confusion at thevery beginning. Pointers and reference...

Shiladitya Munshi

0 0
0

Recommended Articles

Brilliant Academy, a reputed B. Tech Tuition...

Brilliant Academy is one of the reputed institutes for B.Tech tuition classes. This institute is specialised in delivering quality tuition classes for B.E, Engineering - all streams and Engineering diploma courses. Incorporated in 2012, Brillant Academy is a brainchild of Mr Jagadeesh. The main motto of the academy is to...

Read full article >

Lasya Infotech: An educational Training...

Lasya Infotech is a Hyderabad based IT training institute founded in 2016 by O Venkat. Believing in his innovation, passion and persistence and with a diverse blend of experience, he started his brainchild to deliver exemplary professional courses to aspiring candidates by honing their skills. Ever since the institute envisions...

Read full article >

Learn Hadoop and Big Data

Hadoop is a framework which has been developed for organizing and analysing big chunks of data for a business. Suppose you have a file larger than your system’s storage capacity and you can’t store it. Hadoop helps in storing bigger files than what could be stored on one particular server. You can therefore store very,...

Read full article >

8 Hottest IT Careers of 2014!

Whether it was the Internet Era of 90s or the Big Data Era of today, Information Technology (IT) has given birth to several lucrative career options for many. Though there will not be a “significant" increase in demand for IT professionals in 2014 as compared to 2013, a “steady” demand for IT professionals is rest assured...

Read full article >

Find C Language Classes near you
C Language Classes in Bangalore
C Language Classes in Hyderabad
C Language Classes in Delhi
C Language Classes in Pune
C Language Classes in Chennai
C Language Classes in Mumbai
C Language Classes in Kolkata
C Language Classes in Ahmedabad
C Language Classes in Noida
C Language Classes in Jaipur

Looking for C Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for C Language Classes?

The best tutors for C Language Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn C Language with the Best Tutors

The best Tutors for C Language Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more

ThinkVidya Learning Pvt Ltd © 2010-2024All Rights Reserved