Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_GetGDKDefaultUser - Gets a reference to the default user handle for GDK.
SYNOPSIS
#include <SDL3/SDL_system.h>
bool SDL_GetGDKDefaultUser(XUserHandle *outUserHandle);
DESCRIPTION
This is effectively a synchronous version of XUserAddAsync, which always prefers the default user and
allows a sign-in UI.
FUNCTION PARAMETERS
outUserHandle
a pointer to be filled in with the default user handle.
RETURN VALUE
for more information.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_GetGDKDefaultUser(3)