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6-14
Library of Routines
Description:
This function enables or disables the scanner from scanning the
module in a specific slotnum. This applies to both the input and
output scan. Slots that are disabled are not included in the I/O scan.
By default, all slots are enabled.
Return Value:
Name:
Value:
Description:
SUCCESS
0
module was updated successfully
ERR_OCACCESS
2
handle does not have access to scanner
ERR_OCNOFORCES
15
no forces installed, scanner cannot enable forces
ERR_OCPARAM
8
parameter contains invalid value
ERR_OCRESPONSE
10
scanner did not respond to request
ERR_OCSCANCFG
14
scanner has not been configured
Considerations:
Supported in the DOS API library and the Windows NT API library
Example:
HANDLE
int
Handle;
retcode;
retcode = OC_EnableSlot( Handle, 6, SLOT_DISABLE );
Exclude slot 6 */
OC_ErrorMsg
/*
OC_ErrorMsg returns a descriptive text message associated with the
API return value errcode.
Syntax:
int OC_ErrorMsg(int errcode, char **msg);
Description:
The null-terminated message string is placed in a static buffer that is
reused each time this function is called. A pointer to this buffer is
returned in msg.
Publication 1747-UM002A-US-P - June 2000