Named And Optional Parameters In C — How To Use

Standard C (ANSI C, C99, C11, etc.) does not natively support named or optional parameters in the way languages like C# or Python do. However, you can emulate this behavior by using a combination of , designated initializers , and variadic macros . 1. Using Structs and Designated Initializers

: Used to retrieve an indefinite number of arguments. How to use named and optional parameters in C

#define CREATE_WINDOW(...) create_window((WindowArgs){__VA_ARGS__}) // Now you can call it more like a native feature: CREATE_WINDOW(.width = 1024, .height = 768, .title = "Editor"); Use code with caution. Copied to clipboard 3. Alternative: Variadic Functions ( stdarg.h ) Standard C (ANSI C, C99, C11, etc

Struct members not explicitly initialized are automatically set to zero or NULL by the compiler, effectively making them "optional". Example Implementation: Using Structs and Designated Initializers : Used to

You explicitly name the struct members in the function call.