771                 let addr = args[1] as *const SockAddr;  in handle()  localVariable
773                 let virt_addr = VirtAddr::new(addr as usize);  in handle()
779                     Self::connect(args[0], addr, addrlen)  in handle()
783                 let addr = args[1] as *const SockAddr;  in handle()  localVariable
785                 let virt_addr = VirtAddr::new(addr as usize);  in handle()
791                     Self::bind(args[0], addr, addrlen)  in handle()
799                 let addr = args[4] as *const SockAddr;  in handle()  localVariable
802                 let virt_addr = VirtAddr::new(addr as usize);  in handle()
812                     Self::sendto(args[0], data, flags, addr, addrlen)  in handle()
820                 let addr = args[4] as *mut SockAddr;  in handle()  localVariable
824                 let virt_addr = VirtAddr::new(addr as usize);  in handle()
849                     Self::recvfrom(args[0], buf, flags, addr, addrlen as *mut u32)  in handle()
938                 let addr = args[0];  in handle()  localVariable
940                 if addr & MMArch::PAGE_SIZE != 0 {  in handle()
944                     Self::munmap(VirtAddr::new(addr), len)  in handle()
948                 let addr = args[0];  in handle()  localVariable
950                 if addr & MMArch::PAGE_SIZE != 0 {  in handle()
954                     Self::mprotect(VirtAddr::new(addr), len, args[2])  in handle()