Comtrol API (6508) for the MS-DOS Uživatelský manuál stáhnout pdf (Strana 25)

25 API Functions

aaGetModemStatus

aaGetModemStatus

Gets a device’s modem status.

aaGetModemStatus(Dev)

int Dev: Device number

unsigned char State of the modem control inputs

using the

COM_MDM_CTS,

COM_MDM_DSR, and

COM_MDM_CD flags. If a flag is set

that modem line is

ON, if a flag is

not set that modem line is

OFF.

Function

Purpose

Call

Return

aaGetRxCount

Gets the count of data bytes available in the receive

buffer.

aaGetRxCount(Dev)

int Dev Device number

int: Receive byte count

Function

Purpose

Call

Return

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