((int *)c)[0] = bytes;
((int *)c)[0] = bytes + sizeof(int);
void *qca_secure_alloc(int bytes){	// allocate enough room to store a size value in front, return a pointer after it	char *c = (char *)QCA::botan_secure_alloc(bytes + sizeof(int));	((int *)c)[0] = bytes;	return c + sizeof(int);}