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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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
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