WebThis example illustrates use of the __FUNCTION__ and the __C99__FUNC__ macros to test for the availability of the C99 __func__ identifier to return the current function name: WebApr 17, 2013 · Function-like macros are very beneficial when the same block of code needs to be executed multiple times. Here are some examples that define macros for swapping numbers, square of numbers, logging function, etc. #define SWAP (a,b) ( {a ^= b; b ^= a; a ^= b;}) #define SQUARE (x) (x*x) #define TRACE_LOG (msg) write_log …
Macro vs Inline function in C programming ⋆ EmbeTronicX
WebJul 1, 2024 · In this tutorial, we are going to see macro vs inline in C programming. You can also read, Embedded interview topics, container_of macro in c, stringizing, and token pasting operator in C, and pointers in C. Many C and C++ programming beginners tend to confuse between the concept of macros and Inline functions. Often the difference … WebDec 12, 2024 · The values passed to the macro template AREA(l, b) will also be replaced by the statement (l*b). Therefore, AREA(10, 5) will be equal to 10*5. Types Of Macros . Object-like Macros: An object-like macro is a simple identifier that will be replaced by a code fragment. It is called object-like because it looks like an object in code that uses it. dining chairs scandinavian design
#if, #elif, #else, and #endif directives (C/C++) Microsoft Learn
WebThe output of this example is: In function main In function foo This example illustrates use of the __FUNCTION__ macro in a C++ program with virtual functions. WebA macro is a fragment of code that is given a name. You can define a macro in C using the #define preprocessor directive. Here's an example. #define c 299792458 // speed of light Here, when we use c in our program, it is replaced with 299792458. Example 1: #define … C Standard library functions or simply C Library functions are inbuilt functions in … How "Hello, World!" program works? The #include is a preprocessor command … WebThe body of a macro—i.e., the part after the macro and optional arguments—is known as the substitution list.Above, the substitution list is the single token 123 for OL, and the token list ((x)+1) for FL.. Macro expansion occurs after the C/C++ preprocessor, cpp, has turned the program source code into a series of lexical tokens.Identifiers such as FL, numbers, … dining chairs rush seats