What is file pointer in C?

Answer:

-File pointer is a pointer which is used to handle and keep track on the files being accessed.
A new data type called FILE is used to declare file pointer. This data type is defined in stdio.h file.
-File pointer is declared as FILE *fp. Where, 'fb' is a file pointer.
fopen() function is used to open a file that returns a FILE pointer.
-Once file is opened, file pointer can be used to perform I/O operations on the file. fclose() function is used to close the file.

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