[replacement.functions] (original) (raw)

16 Library introduction [library]

16.4 Library-wide requirements [requirements]

16.4.5 Constraints on programs [constraints]

16.4.5.6 Replacement functions [replacement.functions]

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If a function defined in[support] through [exec] and [depr]is specified as replaceable ([dcl.fct.def.replace]), the description of function semantics apply to both the default version defined by the C++ standard library and the replacement function defined by the program.