CDIoctl (FUN)¶

FUNCTION CDIoctl : DINT

Control a character device file.

This function manipulates the underlying device parameters of special files.

InOut:

Scope	Name	Type	Comment
Return	CDIoctl	DINT	0 if ok or errno if failed.
Input	hFile	RTS_IEC_HANDLE	File descriptor/handle, that was previously created with Open()
	dRequest	__XWORD	Request id.
	dParameter	__XWORD	Request parameter.
	pResult	POINTER TO DINT	Pointer to linux errno error code