File pointer in c

What is file pointer in c programming language?

The FILE pointer is a struct data type defined in the standard library stdio.h. This type serves as a reference to either a stream or a null value. Its definition within stdio.h is as follows:

typedef struct{
    short          level;
    unsigned       flags;
    char           fd;
    unsigned char  hold;
    short          bsize;
    unsigned char  *buffer, *curp;
    unsigned       istemp;
    short          token;


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