What Is The Data Type Of A File In C Language?

01-Feb-2023
Education

What is the Data Type of a File in C Language?

The data type of a file in C language is "FILE". The word "FILE" is an object-like datatype which is defined in the standard input/output library of C language. A "FILE" object can be used to represent any type of file, such as an audio file, a video file, a text file, etc.

What is the FILE Object?

The FILE object is an abstract data type. It is used to represent a file in C language. The FILE object contains information about the file such as its name, its size, its contents, etc. This object is defined in the standard input/output library of C language.

How to Create a FILE Object?

A FILE object can be created by using the fopen() function. This function takes two parameters, the first one is the name of the file and the second one is the mode in which the file should be opened. The mode can be "r" for read-only, "w" for write-only, "a" for append, or "r+" for read and write.

How to Use the FILE Object?

Once the FILE object is created, it can be used to perform various operations on the file. These operations include reading from the file, writing to the file, moving the file pointer, etc. These operations can be performed using various functions, such as fread(), fwrite(), fseek(), ftell(), etc.