Lower case letter 'l' (ell) can easily be confused with the digit '1' (one). This can be particularly confusing when indicating that an integer denotation literal constant is a long value. This rule is similar to DCL02-C. Use visually distinct identifiers.
Likewise, you should use 'LL' rather than 'll' when indicating that an integer literal constant is a long long value.
Noncompliant Code Example
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