15
Library introduction
[library]
15.3
Definitions
[definitions]
15.3.25
[defns.required.behavior]
required behavior
description of replacement function and handler function semantics applicable to both the behavior provided by the implementation and the behavior of any such function definition in the program
[
Note
:
If such a function defined in a C++ program fails to meet the required behavior when it executes, the behavior is undefined
.
—
end note
]