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Settable serial port option requirements

In the table below, X denotes a serial port option class, a denotes a value of X, ec denotes a value of type error_code, and s denotes a value of implementation-defined type storage (where storage is the type DCB on Windows and termios on POSIX platforms), and u denotes an identifier.

Table 26. SettableSerialPortOption requirements




const X& u = a;, ec);


Saves the value of the serial port option to the storage.

If successful, sets ec such that !ec is true. If an error occurred, sets ec such that !!ec is true. Returns ec.