インテル® Fortran コンパイラー XE 13.1 ユーザー・リファレンス・ガイド
Serial Port I/O Function: Displays the state of a port to standard output.
result = SPORT_SHOW_STATE (port,level)
port |
(Input) Integer. The port number. |
level |
(Input) Integer. Controls the level of detail displayed as follows: |
The result type is INTEGER(4). The result is zero if successful; otherwise, a Windows* OS error value.
This routine must not be used when any I/O is pending. Since a read operation is always pending after any I/O has been started, you must first call SPORT_CANCEL_IO before port parameters can be changed.
Communications and Communications Functions in the Microsoft* Platform SDK