if (enum_containers) {
	DWORD length = 0;
	char *container_name;

	DWORD base_flags = 
	    dwFlags & CRYPT_MACHINE_KEYSET ? CRYPT_MACHINE_KEYSET : 0;
	base_flags |= CRYPT_FIRST;
	if( unique )
	    base_flags |= CRYPT_UNIQUE;
	if( fqcn )
	    base_flags |= CRYPT_FQCN;
	
	bResult = UniGetProvParam(hProv, PP_ENUMCONTAINERS, NULL, 
	    &length, base_flags);
	container_name = (char*)malloc( length );
	if( !container_name )
	{
	    HandleErrorFL ("Error during CryptGetProvParam(PP_ENUMCONTAINERS).\n");
	    goto bad;
	}
	while( UniGetProvParam( hProv, PP_ENUMCONTAINERS, 
	    (BYTE*)container_name, 
	    &length, base_flags ) )
	{
	    if( base_flags & CRYPT_UNIQUE )
	    {
		if( strlen( container_name ) > 38 
		    || strlen( container_name + strlen( container_name ) + 1 )
		    > 38 )
		{
		    printf( "%38s|\n%76s\n", container_name,
			container_name + strlen( container_name ) + 1 );
		}
		else
		    printf( "%38s|%38s\n", container_name, 
			container_name + strlen( container_name ) + 1 );
	    }
	    else
		printf( "%s\n", container_name );
	    base_flags &= ~CRYPT_FIRST;
	}
	free( container_name );
	if( GetLastError() != ERROR_NO_MORE_ITEMS )
	{
	    UniReleaseContext (hProv, 0);
	    HandleErrorFL ("Error during GetProvParam.\n");
	    goto bad;
	}
	printf( "OK.\n" );
	ret = 1;
	bResult = UniReleaseContext (hProv, 0);