Thread: To perform operations with Directory

Dear All,
I am new to Begineer in C programming..i am working for one Software Firm..my problem can be devided as follows

1. I have one folder in any drive it contains both Source files(.C) and Header
files(.H) i should get copy of this folder into my current working directory

2. I should separate both .C and .H files

3. In .C files there are preprocessor directives like #include "CAN.h" i have to convert this into lower case like #include "can.h"


Can any body help to solve this?? Thanks in advance