Function krb5_sys::krb5_cc_set_config

pub unsafe extern "C" fn krb5_cc_set_config(
    context: krb5_context, 
    id: krb5_ccache, 
    principal: krb5_const_principal, 
    key: *const c_char, 
    data: *mut krb5_data
) -> krb5_error_code