pcbReqCount (PLONG) - input
If pcbReqCount is positive, the maximum number of file handles is increased. If pcbReqCount is negative, the maximum number of file handles is decreased.
The system treats a decrease in the maximum number of file handles as an advisory request that may or may not be granted; the system may track and defer such a request.
pcbCurMaxFH (PULONG) - output
ulrc (APIRET) - returns
DosSetRelMaxFH returns one of the following values:
For a full list of error codes, see Errors.