def ensure_crossplat_path(path, winroot='C:'):
    r"""
    ensure_crossplat_path

    Args:
        path (str):

    Returns:
        str: crossplat_path

    Example(DOCTEST):
        >>> # ENABLE_DOCTEST
        >>> from utool.util_path import *  # NOQA
        >>> path = r'C:\somedir'
        >>> cplat_path = ensure_crossplat_path(path)
        >>> result = cplat_path
        >>> print(result)
        C:/somedir
    """
    cplat_path = path.replace('\\', '/')
    if cplat_path == winroot:
        cplat_path += '/'
    return cplat_path