C :: Read Text File From Memory Card Using Threading

I need do read a text file from memory card using threading.

I am able to do it with out using thread but because of some limitations, i have to do it with threading only.

Here is the code to read file from memory card with out thread:

Code: ##########################################
#include <stdio.h>
#include <stdlib.h>
#include <XMC4500.h> /* SFR declarations of the selected device */
#include <DAVE3.h> /* Declarations from DAVE3 Code
#include <stdio.h>
#include <string.h>
#include <stdbool.h>

[Code]...