Trouble understanding `tabs`.
I am reading "The C Programming Language." I am having trouble
understanding Exercise 1-20 on page 34:
Write a program detab that replaces tabs in the input with the proper
number of blanks to space to the next tab stop. Assume a fixed set of tab
stops, say every n columns. Should n be a variable or a symbolic
parameter?
The second sentence is what I do not understand.
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