What is the purpose of header files in a C program?

easy📝 Conceptual Q2 of 15

C - Basics and Execution Environment

ATo define the main() function

BTo include declarations and macros

CTo store program output

DTo write comments

Step-by-Step Solution

Solution:

Step 1: Understand header file role
Header files provide declarations of functions and macros used in the program.
Step 2: Differentiate from other parts
Main() defines execution start, output is runtime, comments are for notes.
Final Answer:
To include declarations and macros -> Option B
Quick Check:
Header files = declarations/macros [OK]

Quick Trick: Header files hold declarations, not code execution [OK]

Common Mistakes:

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