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In C language, header files are used to organize and reuse code efficiently

6 Key uses of header files in C language are :

1. Function declarations (Prototypes)
2. Macro Definitions
3. Type Definitions
4. Structure Declarations
5. Code Reusability
6. Modularity

✅ Best IDEs/Compilers for C on Windows

1. Code::Blocks

• ✅ Best for beginners and intermediates

• Built-in GCC compiler (or can be configured)

• Lightweight, customizable, and open-source

• Easy project setup and debugging support

🔗 Download Code::Blocks

2. Dev C++ (Embarcadero version)

• A classic choice for students learning C

• Fast and lightweight

• Includes the TDM-GCC compiler

🔗 Download Dev C++

3. Microsoft Visual Studio (Community Edition)

• ✅ Best for professionals and large projects

• Full-featured IDE with IntelliSense, debugging, and GUI tools

• Supports C via the MSVC compiler

• Heavier than others but highly powerful

🔗 Download Visual Studio

4. Eclipse CDT

• Open-source and flexible

• Good for those familiar with Eclipse (Java, C++, etc.)

• Requires separate GCC setup (MinGW or Cygwin)

🔗 Download Eclipse CDT

5. Online Compilers (for practice)

• Repl.it

• OnlineGDB

• Programiz

'=' (Assignment Operator): The single equal sign = is used as an assignment operator. It is used to assign a value to a variable.

'==' (Equality Operator): The double equal sign == is used as a relational operator for equality. It is used to compare two values for equality.