Function ioctl

components/dfs/dfs_v2/src/dfs_posix.c:679–690

* this function is a POSIX compliant version, which shall perform a variety of * control functions on devices. * * @param fildes the file description * @param cmd the specified command * @param ... represents the additional information that is needed by this * specific device to perform the requested function. * * @return 0 on successful completion. Otherwise, -1 shall be returned and errn

 * set to indicate the error.
 */
int ioctl(int fildes, int cmd, ...)
{
    void *arg;
    va_list ap;

    va_start(ap, cmd);
    arg = va_arg(ap, void *);
    va_end(ap);

    /* we use fcntl for this API. */
    return fcntl(fildes, cmd, arg);
}
RTM_EXPORT(ioctl);

/**