C Programming and Macro Definitions Quiz
Test your understanding of C macro programming with 14 questions covering macro definitions, preprocessor directives, and more.
#1
Which keyword is used to define a macro in C?
#2
What does the preprocessor directive #include do in C?
Includes the standard input/output functions
Declares a variable
Defines a macro
Performs arithmetic operations
#3
What is the purpose of the ## operator in C macro definitions?
Concatenates two tokens
Performs bitwise AND operation
Compares two values
Indirectly references a variable
#4
In C, what is the significance of the #undef directive?
Undefines a macro
Defines a macro
Includes a header file
Declares a function
#5
What is the purpose of the #ifdef preprocessor directive in C?
Checks if a macro is defined
Includes a header file
Undefines a macro
Declares a variable
#6
How can you concatenate two strings in a C macro?
Using the + operator
Using the & operator
Using the strcat function
Using the ## operator
#7
Which preprocessor directive is used for conditional compilation in C?
#8
What is the purpose of the #pragma once directive in C?
Includes a header file
Declares a function
Ensures that the header file is only included once
Defines a macro
#9
Which of the following is true about function-like macros in C?
They can have parameters
They cannot be used with parameters
They are the same as regular functions
They are used only for arithmetic operations
#10
What is the purpose of the # operator in a C macro?
Indirectly references a variable
Performs arithmetic operations
Concatenates two tokens
Performs bitwise OR operation
#11
In C, what is the role of the #pragma directive?
Includes a header file
Declares a function
Specifies compiler-specific instructions
Defines a macro
#12
What is the purpose of the __FILE__ macro in C?
Returns the current line number
Returns the current file name
Specifies compiler options
Defines a macro
#13
What is the purpose of the #error directive in C?
Includes a header file
Outputs an error message during compilation
Undefines a macro
Declares a variable
#14
How are inline functions different from function-like macros in C?
Inline functions cannot have parameters
Function-like macros cannot be used with parameters
Inline functions are defined using the #define directive
Function-like macros are defined using the inline keyword
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