* what modes to create it? */
{
    const Tcl_Filesystem *fsPtr;
    Tcl_Channel retVal = NULL;

    /*
     * We need this just to ensure we return the correct error messages under
     * some circumstances.
     * some circumstances (relative paths only), so because the normalization 
     * is very expensive, don't invoke it for native or absolute paths.
     */

    if (
	!TclFSCwdIsNative() &&
	Tcl_FSGetPathType(pathPtr) != TCL_PATH_ABSOLUTE &&
    if (Tcl_FSGetNormalizedPath(interp, pathPtr) == NULL) {
	Tcl_FSGetNormalizedPath(interp, pathPtr) == NULL
    ) {
	return NULL;
    }

    fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
    if (fsPtr != NULL && fsPtr->openFileChannelProc != NULL) {
	int mode, seekFlag, binary;