pub type scm_t_c_hook_function = Option<unsafe extern "C" fn(hook_data: *mut c_void, fn_data: *mut c_void, data: *mut c_void) -> *mut c_void>;Aliased Type§
pub enum scm_t_c_hook_function {
None,
Some(unsafe extern "C" fn(*mut c_void, *mut c_void, *mut c_void) -> *mut c_void),
}