Function dwarf_getlocations 

pub unsafe extern "C" fn dwarf_getlocations(
    attr: *mut Dwarf_Attribute,
    offset: isize,
    basep: *mut Dwarf_Addr,
    startp: *mut Dwarf_Addr,
    endp: *mut Dwarf_Addr,
    expr: *mut *mut Dwarf_Op,
    exprlen: *mut size_t,
) -> isize