Man page - sdl_winapi_family_phone(3)
Packages contains this manual
Manual
SDL_WINAPI_FAMILY_PHONE
NAMEHEADER FILE
SYNOPSIS
AVAILABILITY
NAME
SDL_WINAPI_FAMILY_PHONE - A preprocessor macro that defined to 1 if compiling for Windows Phone.
HEADER FILE
Defined in SDL3/SDL_platform_defines.h
SYNOPSIS
#include "SDL3/SDL.h"
#define SDL_WINAPI_FAMILY_PHONE (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
AVAILABILITY
This macro is available since SDL 3.2.0.