Correct option is C
Keywords in C are reserved words that have a predefined meaning and purpose in the programming language. These words cannot be used as identifiers, such as variable names or function names, as they are integral to the language syntax.
Important Key Points:
1.
C language has 32 reserved keywords, such as int, return, if, else, while, and void.
2. Keywords are case-sensitive in C and must be used exactly as defined.
3. They define the structure and control flow of a C program.
Knowledge Booster:
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Constants: Values that do not change during program execution, such as 3.14.
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Identifiers: Names given to variables, functions, or arrays defined by the user.
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Operators: Symbols used for operations like +, -, *, /.
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Functions: Blocks of code designed to perform specific tasks, like printf() or user-defined functions.