File Handling in C Language With Examples | fopen(), fread(), fwrite()

1 Comment / C Language / digitals_digitalsanjiv

File Handling in C Language Want to store data permanently in C programs instead of losing it after program execution ends? File Handling in C Language allows programmers to create, read, write, update, and manage files efficiently using predefined functions available in the stdio.h header file. Moreover, file handling helps developers build real-world software such […]

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File, Stream and Standard I/O

2 Comments / C Language / digitals_digitalsanjiv

File, Stream standard I/O File A file is actually a region of memory space in physical storage devices like disk drives, tape drives, printers, monitors, etc. The huge amount of data can be stored in the form of files in hard disks and auxiliary devices. These files in two categories based on the way

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Preprocessor Directives in C Explained with Examples

3 Comments / C Language / digitals_digitalsanjiv

Preprocessor directives in C are special instructions that are processed before the actual compilation of a program begins. These directives help programmers include header files, define constants, create macros, and perform conditional compilation.

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Dynamic Memory Allocation in C

2 Comments / C Language / digitals_digitalsanjiv

Dynamic Memory Allocation in C Dynamic memory allocation is allocation of memory only when it is needed, that is, at run time (when the program is running). It enables us to create data types and structures of any size and length to suit our program’s need within the program. Using static memory allocation in C,

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Recursion in C

5 Comments / C Language / digitals_digitalsanjiv

Recursion in C Recursion A function can call itself directly or indirectly is called recursion, and the function that calls itself (directly or indirectly) is known as recursive function. In C Language, any function can call itself, including main( ) function. Example main( ) { printf(“Ha Ha Ha…! I cannot

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Bit Fields in C Language

2 Comments / C Language / digitals_digitalsanjiv

Bit fields in C are used when a program needs to store data using very small memory units. Instead of wasting full bytes for simple values like flags or small ranges, bit fields allow developers to use individual bits inside structures. This makes programs more memory efficient and is especially useful in embedded systems, compilers, and low-level programming.

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Self Referential Structures in C Language

4 Comments / C Language / digitals_digitalsanjiv

Self Referential Structures in C (Explained with Examples) A self referential structure in C is a structure that contains a member which is a pointer to the same structure type. This concept is fundamental for building dynamic data structures like linked lists, trees, and graphs. If you already understand basic structures in C, this topic

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String Handling in C

4 Comments / C Language / digitals_digitalsanjiv

String Handling in C A string in C Language can be defined as a character array terminated with a special character ‘\0’ to mark the end of the string. Unlike some other high-level languages like BASIC language, C does not have built-in “string” type data. So, C has no built-in facilities for manipulating entire arrays(such

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Pointer in C Language

4 Comments / C Language / digitals_digitalsanjiv

Pointer in C Language Let us understand what are the pointers in C, the Pointer operator (*) is used heavily in C Language and also called “value at address“ operator, it is used to fetch the value stored at a particular address. The pointer operator is also known as indirection operator, and has just the

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Functions in C Language

4 Comments / C Language / digitals_digitalsanjiv

What is a Function A function is a self contained block of code that does some specific task. A function definition has a header and body. Header A header of a function is made up of Return type: It is the data type of the value being returned by the function. If a function

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