Using .txt files (understading lines)

Hello,
i got a problem, i wanna create a program tha will look in a .txt file and will give an output in another .txt file,
i know what to write in C to open a file but i don't know how can I do it to undersatnd the lines and what lines each is writing?
Any ideas?

By the way how is fgets() working, becaus ei know only gets()

Try
- searching the board for many excellent examples of using fgets
- reading the FAQ
- reading your manual pages

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- searching the board for many excellent examples of using fgets
- reading the FAQ

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I searched 2 whole books for C

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searching the board for many excellent examples of using fgets

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good suggestion,
thanks

pleas help me in the .txt files then!

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