# SDL_PLATFORM_UNIX A preprocessor macro that is only defined if compiling for a Unix-like system. ## Header File Defined in [<SDL3/SDL_platform_defines.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_platform_defines.h) ## Syntax ```c #define SDL_PLATFORM_UNIX 1 ``` ## Remarks Other platforms, like Linux, might define this in addition to their primary define. ## Version This macro is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryPlatform](CategoryPlatform)