def check_pointer(n):
    """
    this function for seprate name and point 
    like this  'char *' -> ['char', 1] ,
    'char **' -> ['char', 2] 

    if it is not pointer , will return None
    like this 'char' -> ['char', 0]
    """
    w = n.split('*')
    return w[0].strip(), len(w) - 1
