Function libdw_sys::dwarf_getmacros_off

pub unsafe extern "C" fn dwarf_getmacros_off(
    dbg: *mut Dwarf, 
    macoff: Dwarf_Off, 
    callback: Option<unsafe extern "C" fn(arg1: *mut Dwarf_Macro, arg2: *mut c_void) -> c_int>, 
    arg: *mut c_void, 
    token: isize
) -> isize