Yes, these will be declared like

The corresponding stdio.h variable is FILE* stdin;

The corresponding stdio.h variable is FILE* stdout;

The corresponding stdio.h variable is FILE* stderr;

The difference is that text files contain lines (or records) of text and each of these has an end-of-line marker automatically appended to the end of it whenever you indicate that you have reached the end of a line.

Binary files are not broken up into separate lines or records so the end-of line marker is not written when writing to a binary file.

So, we cannot read the correct the data in binary mode.

It prints n=    5