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cc_SetUsrAttr( ) sets the user attribute
256
int callfail(CRN crn)
{
LINEDEV ld;
cc_CRN2LineDev(crn,&ld);
procdevfail(ld);
}
int procdevfail(LINEDEV handle)
{
int reason;
char *msg;
reason = cc_CauseValue(handle);
cc_ResultMsg(handle, reason, &msg);
printf(“”reason = %x - %s\n””,reason,msg);
}
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Errors
If the function returns < 0 to indicate failure, use the cc_CauseValue( ) function
to retrieve the reason code for the failure. The cc_ResultMsg( ) function can be
used to interpret the reason code. Error codes are defined in the files ccerr.h,
isdnerr.h, and isdncmd.h.
Typically, a < 0 return code for the cc_SetUsrAttr( ) function indicates that the
function reference (the device handle) is not valid for the function call.
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See Also
•
• •
• cc_GetUsrAttr( )
• cc_Close( )