EFSL how to check bmp files in dir

Hello,

I have interfaced EFSL(SD Card) with LPC1768 and its working fine. But I 
am not able to check the number of bmp files in current dir.

 ls_openDir(&list ,&(efs.myFs ),"/");

while(ls_getNext(&list)==0)

The above code is for open the dir and get next file list. Please give 
some thoughts on how to get num of bmp files in current dir.

The EFSL code is at Downloads section of 
http://coineltech.com/shop/product_info.php/cPath/5_8/products_id/33 
"LPC1768 HPLUS Saple Code".