SDL_GetCurrentThreadID - Get the thread identifier for the current thread.

       This function is available since SDL 3.2.0.

       This thread identifier is as reported by the underlying operating system. If SDL is running on a platform
       that does not support threads the return value will always be zero.

       This function also returns a valid thread ID when called from the main thread.

       SDL_GetCurrentThreadID - Get the thread identifier for the current thread.

       Returns the ID of the current thread.

SDL_GetThreadID(3)

Simple Directmedia Layer                           SDL 3.2.20                          SDL_GetCurrentThreadID(3)

#include<SDL3/SDL_thread.h>SDL_ThreadIDSDL_GetCurrentThreadID(void);