How to open a file in C programming

If the user wants to store data or read data from a file in the secondary memory, the user must specify certain things about the file to the operating system. They are: Filename Data Structure Purpose Filename is the name of the file. It is a collection of characters that make up a valid filename for the operating system. It may contain two parts: a primary name and optional period with the etxtension. Some valid file names are: abc.txt prog.c sample.java store Data Structure of a file is defined a FILE in the C library. Therefore, all files should be

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How to open a file in C programming
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