File Handling | Preprocessor | Dynamic Memory Allocation | Switch Statement | C Programming 12

In this video, Raghav Garg Sir will teach you File Handling, Dynamic Memory Allocation, Preprocessor and Switch Statement. This is Lecture 12 of the C Programming series and the last lecture. Topics covered are - Basic header files and builtin functions like sqrt(), Macros and macro functions using #define, Switch statement and 2 questions related to it, DMA including stack and heap segment, malloc(), calloc(), realloc() and free(), and File handling which includes opening, closing, creating, reading and writing operations on a file. C Programming series is now FINISHED. See you soon in C++ / Java DSA series.

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📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐎𝐓𝐇𝐄𝐑 𝐘𝐎𝐔𝐓𝐔𝐁𝐄 𝐂𝐇𝐀𝐍𝐍𝐄𝐋𝐒 :

📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 𝐏𝐑𝐎𝐅𝐈𝐋𝐄𝐒 :

00:00 Introduction
01:38 Preprocessor and basic header files
02:01 Correction - # is preprocessor directive and #include is preprocessor
16:02 Macros using #define
23:02 Macro functions
25:27 Switch statement
26:25 Ques 1 : Print day if day number (1-7) is given
34:01 Ques 2 : Make a calculator using switch statement
40:35 Dynamic Memory Allocation
41:45 Static and Dynamic
48:58 Stack Segment
53:12 Heap Segment
55:06 malloc()
59:18 calloc()
1:06:34 Ques 3 : Take ‘n’ integers input and print them
1:15:59 Memory Deallocation
1:16:27 free()
1:23:19 realloc()
1:29:56 File Handling
1:32:54 Read and Write
1:35:42 Opening a file
1:38:08 Reading from a file
1:42:58 Creating a file
1:44:04 Writing to a file
1:46:53 Closing a file

#FileHandling #Preprocessor #DynamicMemoryAllocation #CollegeWallah #PhysicsWallah #PWSkills #CProgramming

[CollegeWallahbyPW]

📗 Enroll Now in Decode Batches and become JOB READY:

[skullhunter]

My confidence in C/C++ after learning from Raghav Sir 🗿👑📈📈

[RukmoddinPatel-bslq]

Yes sir start DSA series please 🙏 in 'C'

[ektashukla]

Maza aa you so much apna pura pps ka syllabus inhi vdos se khatam kiya hai....aur maine socha nhi tha ki programming mujhe itne ache se samajh aayegi....but great of you and PW(CW) team...for making such a wonderful series....I must say that your teaching skills are fabulous.😁

[jeevan]

I started this series when I was 12 yrs old and in just 10 days and watching 3 parts I made a program of my own that prints a table of the number entered even when it was not taught I like the way you explain and clear everything in a fun way❤🎉
You're great sir keep it up

[himanshu]

Brother it is actually the best series on C till date in such detail and calmness no hbda tbdi...aram se sb kraya h bhai mja aagya ...mere bhai ko bilkul coding ni aati ni thi use ye playlist di mene ab itna bdia krta h...thax bro🥰🥰🥰🥰plz continue with dsa

[mind_blazed]

Plz Continue this series with DSA ❤❤your teaching way is really osm ❤️❤️

[aakashpal]

This lecture was amazing 🎉 Thank you so much for completing the complete c programming lecture.
And a one more request to start DSA USING C PLEASE🙏🙏🙏🙏

[fragrance]

v
Plz Continue this series with DSA ❤❤your teaching way is really osm ❤❤

[rudrakshdd]

Mazza aa gya Raghav Sir...Thank u soo much for all the efforts...Salute to you ❤

[satyampal]

Thank You ! Raghav Bhaiya for putting your 100 percent effort in this series, Your explanation are clear concise and easy to understand. I will surely get good marks in exam. Your dedication and passion for teaching shine through in every video.

[mrDoddamaniYTB]

I have watched the C program part 1 and part 2 as you have taught me and also finished this video on file handling. You have taught very well sir thank you very much sir. 🙏🏻🙏🏻❤️

[helpmore]

I wanted to take a moment to express my sincere appreciation for the incredibly valuable lectures you have provided thus far. Your teaching style is truly remarkable, and I have found great benefit in your instruction.

I would like to kindly request your assistance in furthering my understanding of Data Structures and Algorithms (DSA), if it aligns with your teaching curriculum.

[ParthDabhiOfficial]

Thanks sir!, Maja aa gaya, i completed all videos of c language, RADHA RADHA!

[rikmishra]

Raghav sir is great gift from alakh sir.

[arpan]

Is pure course me bohot maza aaya hai sir,
Is se bohot help hua hai sir,
Thank you so much sir,
Mera pranam lijiye sir 🙏.

[jyotiradityarakshit]

Have completed all videos and really feeling good after learning everything from you
we want a FULL DSA series from you sir ❤❤❤❤❤❤

[SachinKumar-woxp]

Thank You Sir, Loved the lectures and finally completed the playlist .❤

[rajibmandal]

Finally I have completed c programming playlist series and I still remember that I started my coding journey from online c complier❤❤❤❤❤

[ashishmishraritiktechnolog]

Amazing series it's just looking like a wow 😊 but we want dsa series also from raghav sir