Rockwell Automation 1747-PCINT API Software for 1746 I/O - Manual (Page 88)

6–34 Library of Routines OC_GetScannerStatus
Publication 1747-6.5.3 June 1998
Example:
HANDLE Handle;
BYTE scansts;
int retcode;
retcode = OC_GetScannerStatus( Handle, &scansts );