Rockwell Automation 1747-PCINT API Software for 1746 I/O - Manual (Page 66)

6–12 Library of Routines OC_DownloadIO Configuration
Publication 1747-6.5.3 June 1998
Considerations:
Supported in the DOS API library and the Windows NT API library
Example:
HANDLE Handle;
OCIOCFG iocfg;
int retcode;
/* Either OC_CreateIOConfiguration() or OC_GetIOConfiguration() were */
/* called previously to fill in ’iocfg’ structure */
retcode = OC_DownloadIOConfiguration( Handle, &iocfg );