The #line is mainly used to reset the line number and also the filename in the code.
What does a line in C mean?
The c in code is written in lower-case. The c that has a line over it means "with".
The C preprocessor is known to be macro processor that is often used often by the C compiler to change one's program before actual compilation. This #line means that one can do any reset any line of code to an arbitrary line number or a filename that is said to have been stated by the user.
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