Function realloc

components/libc/compilers/armlibc/syscall_mem.c:41–49

RTM_EXPORT(malloc);

void *realloc(void *rmem, size_t newsize)
{
#ifdef RT_USING_HEAP
    return rt_realloc(rmem, newsize);
#else
    _NO_HEAP_ERROR();
    return RT_NULL;
#endif
}
RTM_EXPORT(realloc);

void *calloc(size_t nelem, size_t elsize)