tsdPtr->initialized = 0;
}

int
TclFSCwdIsNative(void)
{
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&fsDataKey);

    /* if not yet initialized - ensure we'll once obtain cwd */
    if (!tsdPtr->cwdPathEpoch) {
	Tcl_FSGetCwd(NULL);
    }

    if (tsdPtr->cwdClientData != NULL) {
	return 1;
    } else {
	return 0;
    }
}

    const char *modeString,	/* A list of POSIX open modes or a string such
				 * as "rw". */
    int permissions)		/* What modes to use if opening the file
				 * involves creating it. */
{
    const Tcl_Filesystem *fsPtr;
    Tcl_Channel retVal = NULL;

    if (Tcl_FSGetNormalizedPath(interp, pathPtr) == NULL) {
	/*
	 * Return the correct error message.
	 */
	return NULL;
    }

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

	/*
	 * Parse the mode to determine whether to seek at the outset
	 * and/or set the channel into binary mode.