The UNIX file interface example

[Meir Goldenberg]

Hi John,

I'd like to make sure I fully understand the implications of your point about the UNIX file interface consisting of five function signatures that hide on the order of 100K lines of code. In particular, was this meant to suggest that the UNIX developers did not subscribe to the guideline of keeping individual function implementations below a fixed small number of lines?

Thank you,
Meir

[John Ousterhout]

Hi Meir,

No, those five functions are not necessarily large themselves. The total amount of code in those functions and all of the ones they invoke (transitively) sums to hundreds of thousands of lines; this doesn't say anything one way or the other about the sizes of individual functions.

-John-

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