Type Alias fz_warning_cb 

pub type fz_warning_cb = Option<unsafe extern "C" fn(user: *mut c_void, message: *const c_char)>;

A callback called whenever a warning message is generated.
The user pointer passed to fz_set_warning_callback() is
passed along with the warning message.

Aliased Type

pub enum fz_warning_cb {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *const i8))

Some value of type T.