3
Terms and definitions
[intro.defs]
3.47
[defns.required.behavior]
required behavior
⟨library⟩
description of
replacement function
(
[defns.
replacement]
) and
handler function
(
[defns.
handler]
) semantics applicable to both the behavior provided by the implementation and the behavior of any such function definition in the program
[
Note
1
:
If such a function defined in a C++ program fails to meet the required behavior when it executes, the behavior is undefined
.
—
end note
]