COMM-DRV/Lib: IsRing() Returns true if ring detected

Description-

Returns true if a ring signal was detected since the last call to this function.

Syntax-

stat = IsRing(port);

On Entry-

int port;

Port previously opened with OpenComPort().

On Exit-

int stat;

0 If ring was not detected.

1 If ring was detected.

See Also-

IsBreak()
IsCarrierDetect()
IsCts()
IsDsr()
IsFramingError()
IsInputOverrun()
IsOverrunError()
IsParityError()
IsRing()

Example-

#include "comm.h"

int port=0;
 int stat;

if ((stat = IsRing(port)) == 1)
    {
    printf("Ring occurred\n");
    }