Function xmlListWalk 

#[unsafe(no_mangle)]
pub extern "C" fn xmlListWalk(
    _list: *mut c_void,
    _walker: Option<unsafe extern "C" fn(*mut c_void, *mut c_void) -> c_int>,
    _data: *mut c_void,
)

Walk a list.

UPSTREAM-PARITY

void xmlListWalk(xmlListPtr list, xmlListWalker walker, void *data);