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I/O control command requirements

A type X meets the IoControlCommand requirements if it satisfies the requirements listed below.

In the table below, a denotes a (possibly const) value of type X, and b denotes a value of type X.

Table 20. IoControlCommand requirements for extensible implementations

expression

type

assertion/note
pre/post-conditions

a.name()

int

Returns a value suitable for passing as the request argument to POSIX ioctl() (or equivalent).

b.data()

void*



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