SDL_Mutex - A means to serialize access to a resource between threads.

       This struct is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.10                                   SDL_Mutex(3type)

       Mutexes  (short for "mutual exclusion") are a synchronization primitive that allows exactly one thread to
       proceed at a time.

       Wikipedia has a thorough explanation of the concept:

       https://en.wikipedia.org/wiki/Mutex

       Defined in SDL3/SDL_mutex.h

       SDL_Mutex - A means to serialize access to a resource between threads.

#include"SDL3/SDL.h"typedefstructSDL_MutexSDL_Mutex;