インテル® Fortran コンパイラー 14.0 ユーザー・リファレンス・ガイド
Serial Port I/O Function: Returns information about the availability of input data.
result = SPORT_PEEK_DATA (port [,present] [,count])
port |
(Input) Integer. The port number. |
present |
(Output; optional) Integer. 1 if data is present, 0 if no data has been read. |
count |
(Output; optional) Integer. The count of characters that will be returned by SPORT_READ_DATA. |
Communications and Communications Functions in the Microsoft* Platform SDK