#include <rtthread.h>#include "crt.h"void*operatornew(size_tsize){returnrt_malloc(size);}void*operatornew[](size_tsize){returnrt_malloc(size);}voidoperatordelete(void*ptr){rt_free(ptr);}voidoperatordelete[](void*ptr){returnrt_free(ptr);}void__cxa_pure_virtual(void){rt_kprintf("Illegal to call a pure virtual function.\n");}