tmpext->ext_flags = X509V3_EXT_DYNAMIC;
tmpext->ext_flags |= X509V3_EXT_DYNAMIC;
int X509V3_EXT_add_alias(nid_to, nid_from)int nid_to, nid_from;{	X509V3_EXT_METHOD *ext, *tmpext;	if(!(ext = X509V3_EXT_get_nid(nid_from))) {		X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,X509V3_R_EXTENSION_NOT_FOUND);		return 0;	}	if(!(tmpext = (X509V3_EXT_METHOD *)Malloc(sizeof(X509V3_EXT_METHOD)))) {		X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,ERR_R_MALLOC_FAILURE);		return 0;	}	*tmpext = *ext;	tmpext->ext_nid = nid_to;	tmpext->ext_flags = X509V3_EXT_DYNAMIC;	return 1;}