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lib/string/README
@@ -4,6 +4,9 @@ General guidelines:
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- If there's an upper-case macro that wraps a function, use the macro
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if possible. These use macro magic to add safety.
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+- If there's a *_a() macro that wraps an API, use the macro if
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+ possible. These use countof() to add bounds safety.
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+
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- x*() functions wrap a function of the same name without the 'x'.
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These wrappers exit on error instead of returning NULL.
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They simplify program code. Avoid them in library code.
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