SDL_DestroyMutex 67 src/thread/generic/SDL_sysmutex.c void SDL_DestroyMutex(SDL_mutex *mutex) SDL_DestroyMutex 90 src/thread/linux/SDL_sysmutex.c void SDL_DestroyMutex(SDL_mutex *mutex) SDL_DestroyMutex 64 src/thread/win32/SDL_sysmutex.c void SDL_DestroyMutex(SDL_mutex *mutex)