9 Questions
What is the purpose of the #include directive in C/C++?
To include header files in the source code before compilation
How are macros different from functions in C/C++?
Macros are preprocessed before compilation, whereas functions are compiled and executed at runtime
What is the purpose of the #error directive in C/C++?
To halt compilation and generate an error message with a specified text
Which directive is used to include the contents of a file in a C/C++ program?
#include
What is the purpose of the #define directive in C/C++?
To define a constant value or a macro
In conditional compilation, which directive is used to check if a macro is defined or not?
#ifdef
What is the purpose of the #pragma directive in C/C++?
To specify compiler-specific options
What is the difference between parameterized macros and nested macros in C/C++?
Parameterized macros can take arguments, while nested macros cannot
Which predefined macro in C/C++ can be used to obtain the current source file name?
FILE
Test your knowledge about the concepts, format, and usage of preprocessor directives in C programming. This quiz covers topics like file inclusion directives, macro substitution, nested macros, parameterized macros, conditional compilation, predefined macros, and the differences between macros and functions.
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