How do you open and close files in C?

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Smita Santosh

Experienced Computer trainer having worked in IT sector for 20 years.

Function fopen() is used both to open or create a file, and fclose() is used to close an already opened file. File 'read' and 'write' operations can be performed after opening a file. The fputc() and fputs() functions are used to write characters and strings respectively in a file.
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