Function acl_foreach

lib_acl_cpp/src/mime/mime.cpp:489–501

	ACL_ITER iter;

	acl_foreach(iter, pMime) {
		MIME_NODE* pNode = (MIME_NODE*) iter.data;
		if (pNode->ctype != MIME_CTYPE_MULTIPART
			|| pNode->stype != MIME_STYPE_ALTERNATIVE) {

			continue;
		}
		// ����ý����ӽ����С�� 2 ��˵���ʼ���ʽ����
		if (acl_ring_size(&pNode->children) < 2) {
			continue;
		}
		pAlterNative = pNode;
	}

	return pAlterNative;
}