char **silc_string_split(const char *string, char ch, int *ret_count);

    Splits a `string' that has a separator `ch' into an array of strings
    and returns the array.  The `ret_count' will contain the number of
    strings in the array.  Caller must free the strings and the array.
    Returns NULL on error.  If the string does not have `ch' separator
    this returns the `string' in the array.