Type Alias _glp_error 

pub type _glp_error = Option<extern "C" fn(fmt: *const c_char, ...)>;

Aliased Type

pub enum _glp_error {
    None,
    Some(extern "C" fn(*const i8, ...)),
}

Variants

None

No value.

Some(extern "C" fn(*const i8, ...))

Some value of type T.