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In general, when working in C I avoid the standard library, libc, as much
as possible. If possible I won’t even link it. For people not used to
working and thinking this way, the typical response is confusion. Isn’t
that like re-inventing the wheel? For me, libc is a wheel barely worth
using — too many deficiencies in both interface and implementation.
Fortunately, it’s easy to build a better, simpler wheel when you know the
terrain ahead of time. In this article I’ll review the functions and
function-like macros of the C standard library and discuss practical
issues I’ve faced with them.