create 메소드는 RiCOSMutex 오브젝트를 작성합니다.
RiCOSMutex * RiCOSMutex_create();
The newly created RiCOSMutex
RiCOSMutex * RiCOSMutex_create() { RiCOSMutex * me = malloc(sizeof(RiCOSMutex)); RiCOSMutex_init(me); return me; }