Function switch_loadable_module_unload_module 

pub unsafe extern "C" fn switch_loadable_module_unload_module(
    dir: *const c_char,
    fname: *const c_char,
    force: switch_bool_t,
    err: *mut *const c_char,
) -> switch_status_t

\brief Unoad a module \param dir the directory where the module resides \param fname the file name of the module \param err pointer to error message \return the status