setioctlrv Subroutine
Purpose
Sets a value to be returned by an ioctl routine.
Syntax
void setioctlrv (ioctlrv)
int ioctlrv;
int ioctlrv;
Parameters
| Item | Description | |
|---|---|---|
| ioctlrv | Specifies an integer value to be returned by a successful completion of the ioctl subroutine. | |
Description
The setioctlrv subroutine sets the value of the u_ioctlrv field in the uthread structure of the running thread. The value in the u_ioctlrv field is returned by theioctl or fp_ioctl subroutine on a successful completion. If the ioctl subroutine fails, an errno value is returned instead.
Return Values
The setioctlrv subroutine returns no return values.
Error Codes
The setioctlrv subroutine returns no error codes.