C program...dynamic linked list

I am studying C programming as a hobby and i have been trying to wright a C program that reads from a text file my name a a set of number:
ie GBarreto
03041980
The program has than to generate a dynamic linked list sorting the numbers largest to smallest, where each node should contain a single integer.....

I also would like to clarify another doubt....To write this text file wich will have my name and a set of numbers , do i just type it as a c format and save it with the extention filename.txt (cooments could be included for helping me understand)

If you could be kind enough to clarify these doubts i would very much appreciate.
Thank you very much for your time
G Barreto

Just pull up a text editor. Type in a bunch of stuff, and save it.
Or, for the fun of it, write a program to actually produce the output for this file.
Once that's done, you have a good chunk of the code you need to reverse the process and read it.

Quzah.